OK
https://letsencrypt.org/
Websites
Runtime: 1.6s
On September 19, 2024, 09:11 PM UTC, https://letsencrypt.org/ was accessible when tested on AS42541 in Denmark.
Failures
HTTP Experiment
null
DNS Experiment
null
Control
null
DNS Queries
Resolver:
185.10.221.255
Query:
IN A letsencrypt.org
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
A
35.156.224.161
@
IN
A
52.58.254.253
Query:
IN AAAA letsencrypt.org
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
AAAA
2a05:d014:275:cb00::c8
@
IN
AAAA
2a05:d014:275:cb02::c8
TCP Connections
Connection to 2a05:d014:275:cb00::c8:443 was blocked.
Connection to 2a05:d014:275:cb02::c8:443 was blocked.
Connection to 52.58.254.253:443 succeeded.
Connection to 35.156.224.161:443 succeeded.
HTTP Requests
URL
GET https://letsencrypt.org/
Response Headers
Accept-Ranges:bytesAge:2379Cache-Control:public,max-age=0,must-revalidateCache-Status:"Netlify Edge"; hitContent-Length:53829Content-Security-Policy:default-src 'none'; font-src 'self'; style-src 'unsafe-inline' 'self'; script-src 'unsafe-eval' 'unsafe-inline' 'self' data: https://www.google-analytics.com https://www.googleadservices.com https://www.googletagmanager.com https://googleads.g.doubleclick.net https://donorbox.org https://js.stripe.com/v3/ https://sdks.shopifycdn.com https://www.paypal.com https://www.paypalobjects.com https://widget.thegivingblock.com https://*.shift4.com ; img-src 'self' data: blob: https://www.google-analytics.com https://*.paypal.com https://www.paypalobjects.com https://ak2s.abmr.net https://ak1s.abmr.net https://www.google.com https://cdn.shopify.com https://v.shopify.com ; frame-src https://donorbox.org https://www.youtube.com https://www.youtube-nocookie.com https://bid.g.doubleclick.net https://js.stripe.com/v3/ https://js.stripe.com/v2/ https://www.paypal.com https://outreach.abetterinternet.org https://app.netlify.com https://widget.thegivingblock.com/ ; connect-src 'self' https://d4twhgtvn0ff5.cloudfront.net/ https://letsencrypt-merch.myshopify.com https://monorail-edge.shopifysvc.com https://www.paypal.com https://www.google-analytics.com ;Content-Type:text/html; charset=UTF-8Date:Thu, 19 Sep 2024 21:11:27 GMTEtag:"7a077c1711b3f2f8fe20945af1edf1b8-ssl"Permissions-Policy:geolocation=(), midi=(), notifications=(), push=(), sync-xhr=(), microphone=(), camera=(), magnetometer=(), gyroscope=(), speaker=(self), vibrate=(), fullscreen=(self), interest-cohort=()Referrer-Policy:no-referrerServer:NetlifyStrict-Transport-Security:max-age=31536000X-Content-Type-Options:nosniffX-Frame-Options:DENYX-Nf-Request-Id:01J8620ABCDTMZYB9PG5F5SGAYX-Xss-Protection:1; mode=block
Response Body
<!DOCTYPE html>
<html
dir="ltr"
lang="en-US">
<head>
<meta name="generator" content="Hugo 0.89.1" />
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width initial-scale=1" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>
Let's Encrypt
</title>
<meta
name="description"
content="Let's Encrypt is a free, automated, and open certificate authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our nonprofit work this year in our 2023 Annual Report. "
/>
<meta name="twitter:card" content="summary" />
<meta name="twitter:site" content="@letsencrypt" />
<meta name="twitter:title" content="Let's Encrypt" />
<meta name="twitter:url" content="https://letsencrypt.org/" />
<meta
name="twitter:description"
content="Let's Encrypt is a free, automated, and open certificate authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our nonprofit work this year in our 2023 Annual Report. "
/>
<meta name="twitter:image:src" content="https://letsencrypt.org/images/le-logo-twitter-noalpha.png"> <meta name="og:image"
content="https://letsencrypt.org/images/LetsEncrypt-SocialShare.png">
<script
async
src="https://www.googletagmanager.com/gtag/js?id=G-XEJKGKMHBK"
></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag() {
dataLayer.push(arguments);
}
gtag("js", new Date());
gtag("config", "G-XEJKGKMHBK");
</script>
<link
rel="stylesheet"
href="/css/main.min.c6b06b76da654cc5bd653b3de041eb113b5f33d2b757150f423c571a5ef80db89f997996b87544098e15a9c3767ca8c6fc82a358914f3c948be095e85f4dc96f.css"
integrity="sha512-xrBrdtplTMW9ZTs94EHrETtfM9K3VxUPQjxXGl74DbifmXmWuHVECY4VqcN2fKjG/IKjWJFPPJSL4JXoX03Jbw=="
/>
<link rel="stylesheet" href="/fontawesome-free-6.5.2-web/css/all.min.css" />
<link rel="canonical" href="/" />
<link rel="alternate"
href="/feed.xml" type="application/rss+xml" title="Let's Encrypt Blog Feed" />
</head>
<body>
<header class="site-header">
<a id="skiplink" href="#main-content">Skip navigation links</a>
<div class="wrapper">
<a class="site-title" href="/"><img src="/images/letsencrypt-logo-horizontal.svg" alt="Let's Encrypt"></a>
<span id="menuIcon">
<i class="fas fa-bars"></i>
</span>
<nav class="site-nav" id="menu">
<div class="pure-menu pure-menu-horizontal custom-can-transform">
<ul class="pure-menu-list">
<li class="pure-menu-item">
<a href="/docs/" class="pure-menu-link" tabindex="0">Documentation</a>
</li>
<li class="pure-menu-item">
<a href="https://community.letsencrypt.org/" class="pure-menu-link" tabindex="0">Get Help</a>
</li>
<li class="pure-menu-item pure-menu-has-children">
<a href="#" class="pure-menu-link" tabindex="0">Donate</a>
<ul class="pure-menu-children">
<li class="pure-menu-item">
<a href="https://www.abetterinternet.org/sponsor/" class="pure-menu-link">Become a Sponsor</a>
</li>
<li class="pure-menu-item">
<a href="/sponsors/" class="pure-menu-link">Current Sponsors and Funders</a>
</li>
<li class="pure-menu-item">
<a href="/getinvolved/" class="pure-menu-link">Get Involved</a>
</li>
<li class="pure-menu-item">
<a href="/donate/" class="pure-menu-link">Additional Donation Information</a>
</li>
</ul>
</li>
<li class="pure-menu-item pure-menu-has-children">
<a href="#" class="pure-menu-link" tabindex="0">About Us</a>
<ul class="pure-menu-children">
<li class="pure-menu-item">
<a href="/about/" class="pure-menu-link">Let's Encrypt</a>
</li>
<li class="pure-menu-item">
<a href="https://www.abetterinternet.org/about/" class="pure-menu-link">Internet Security Research Group (ISRG)</a>
</li>
<li class="pure-menu-item">
<a href="/docs/faq/" class="pure-menu-link">Frequently Asked Questions (FAQ)</a>
</li>
<li class="pure-menu-item">
<a class='pure-menu-link' href='/2023/07/10/cross-sign-expiration'>Shortening the Let's Encrypt Chain of Trust</a>
</li>
<li class="pure-menu-item">
<a href="/repository/" class="pure-menu-link">Policy and Legal Repository</a>
</li>
<li class="pure-menu-item">
<a href="https://letsencrypt.status.io/" class="pure-menu-link">Service Status</a>
</li>
<li class="pure-menu-item">
<a href="/stats/" class="pure-menu-link">Statistics</a>
</li>
<li class="pure-menu-item">
<a href="https://www.abetterinternet.org/careers/" class="pure-menu-link">Careers</a>
</li>
<li class="pure-menu-item">
<a href="/contact/" class="pure-menu-link">Contact</a>
</li>
<li class="pure-menu-item">
<a href="/blog/" class="pure-menu-link">Blog</a>
</li>
</ul>
</li>
<li class="pure-menu-item pure-menu-has-children">
<a href="#" class="pure-menu-link" tabindex="0">Languages <img src="/images/language-icon128px-black.png" class="inline-icon" alt="" aria-hidden="true"></a>
<ul class="pure-menu-children menu-for-languages">
<li class="pure-menu-item">
<a href="/da/" lang="da" hreflang="da" class="pure-menu-link">Dansk</a>
</li>
<li class="pure-menu-item">
<a href="/" lang="en-US" hreflang="en-US" class="pure-menu-link">✓ English</a>
</li>
<li class="pure-menu-item">
<a href="/he/" lang="he" hreflang="he" class="pure-menu-link">עברית</a>
</li>
<li class="pure-menu-item">
<a href="/zh-cn/" lang="zh-Hans-CN" hreflang="zh-Hans-CN" class="pure-menu-link">简体中文</a>
</li>
<li class="pure-menu-item">
<a href="/ru/" lang="ru-RU" hreflang="ru-RU" class="pure-menu-link">Русский</a>
</li>
<li class="pure-menu-item">
<a href="/ca/" lang="ca" hreflang="ca" class="pure-menu-link">Català</a>
</li>
<li class="pure-menu-item">
<a href="/cs/" lang="cs-CZ" hreflang="cs-CZ" class="pure-menu-link">Čeština</a>
</li>
<li class="pure-menu-item">
<a href="/el/" lang="el" hreflang="el" class="pure-menu-link">Greek</a>
</li>
<li class="pure-menu-item">
<a href="/pl/" lang="pl" hreflang="pl" class="pure-menu-link">Polish</a>
</li>
<li class="pure-menu-item">
<a href="/ta/" lang="ta" hreflang="ta" class="pure-menu-link">Tamil</a>
</li>
<li class="pure-menu-item">
<a href="/th/" lang="th" hreflang="th" class="pure-menu-link">Thai</a>
</li>
<li class="pure-menu-item">
<a href="/tr/" lang="tr-TR" hreflang="tr-TR" class="pure-menu-link">Türkçe</a>
</li>
<li class="pure-menu-item">
<a href="/de/" lang="de-DE" hreflang="de-DE" class="pure-menu-link">Deutsch</a>
</li>
<li class="pure-menu-item">
<a href="/es/" lang="es-US" hreflang="es-US" class="pure-menu-link">Español</a>
</li>
<li class="pure-menu-item">
<a href="/fi/" lang="fi" hreflang="fi" class="pure-menu-link">Suomi</a>
</li>
<li class="pure-menu-item">
<a href="/fr/" lang="fr-FR" hreflang="fr-FR" class="pure-menu-link">Français</a>
</li>
<li class="pure-menu-item">
<a href="/hu/" lang="hu" hreflang="hu" class="pure-menu-link">Hungarian</a>
</li>
<li class="pure-menu-item">
<a href="/id/" lang="id-ID" hreflang="id-ID" class="pure-menu-link">Bahasa Indonesia</a>
</li>
<li class="pure-menu-item">
<a href="/it/" lang="it-IT" hreflang="it-IT" class="pure-menu-link">Italiano</a>
</li>
<li class="pure-menu-item">
<a href="/ja/" lang="ja" hreflang="ja" class="pure-menu-link">日本語</a>
</li>
<li class="pure-menu-item">
<a href="/ko/" lang="ko-KR" hreflang="ko-KR" class="pure-menu-link">한국어</a>
</li>
<li class="pure-menu-item">
<a href="/pt-br/" lang="pt-BR" hreflang="pt-BR" class="pure-menu-link">Português do Brasil</a>
</li>
<li class="pure-menu-item">
<a href="/si/" lang="si" hreflang="si" class="pure-menu-link">සිංහල</a>
</li>
<li class="pure-menu-item">
<a href="/sr/" lang="sr" hreflang="sr" class="pure-menu-link">Srpski</a>
</li>
<li class="pure-menu-item">
<a href="/sv/" lang="sv" hreflang="sv" class="pure-menu-link">Svenska</a>
</li>
<li class="pure-menu-item">
<a href="/uk/" lang="uk-UA" hreflang="uk-UA" class="pure-menu-link">Українська</a>
</li>
<li class="pure-menu-item">
<a href="/vi/" lang="vi-VN" hreflang="vi-VN" class="pure-menu-link">Tiếng Việt</a>
</li>
<li class="pure-menu-item">
<a href="/zh-tw/" lang="zh-Hant-TW" hreflang="zh-Hant-TW" class="pure-menu-link">繁體中文</a>
</li>
</ul>
</li>
</ul>
</div>
</nav>
</div>
</header>
<div id="main-content"></div>
<div class="hero tall">
<div class="container">
<h1>A nonprofit Certificate Authority providing TLS certificates to <span>450 million</span> websites.</h1>
<h2>Read all about our nonprofit work this year in our <a href='https://abetterinternet.org/annual-reports/'>2023 Annual Report</a>.</h2>
<div class="buttons flex">
<div class="flex1 tar mr1m">
<a class="dib" href="/getting-started/">Get Started</a>
</div>
<div class="flex1 tal ml1m">
<a class="dib" href="https://www.abetterinternet.org/sponsor/">Sponsor</a>
</div>
</div>
</div>
</div>
<div class="page-content">
<div class="wrapper">
<div class="">
<div class="pure-g home">
<div class="pure-u-1 pure-u-md-1-2">
<div class="grid-container">
<h2 class="through-line"><a href="/blog/">From our blog</a></h2>
<ul class="post-list">
<li>
<span class="post-meta">Jul 23, 2024</span>
<h2>
<a class='post-link' href='/2024/07/23/replacing-ocsp-with-crls' hreflang='en'>Intent to End OCSP Service</a>
</h2>
Moving to a more privacy-respecting and efficient method of checking certificate revocation.
<p class="post-excerpt">
<a href='/2024/07/23/replacing-ocsp-with-crls' hreflang='en'>Read more</a>
</p>
</li>
<li>
<span class="post-meta">Jun 24, 2024</span>
<h2>
<a class='post-link' href='/2024/06/24/ntpd-rs-deployment' hreflang='en'>More Memory Safety for Let’s Encrypt: Deploying ntpd-rs</a>
</h2>
NTP is critical to how TLS works, and now it’s memory safe at Let’s Encrypt.
<p class="post-excerpt">
<a href='/2024/06/24/ntpd-rs-deployment' hreflang='en'>Read more</a>
</p>
</li>
<li>
<span class="post-meta">May 30, 2024</span>
<h2>
<a class='post-link' href='/2024/05/30/princeton-partnership' hreflang='en'>Let’s Encrypt Continues Partnership with Princeton to Bolster Internet Security</a>
</h2>
Increasing defense against BGP attacks thanks to support from the Open Technology Fund.
<p class="post-excerpt">
<a href='/2024/05/30/princeton-partnership' hreflang='en'>Read more</a>
</p>
</li>
<li>
<span class="post-meta">May 1, 2024</span>
<h2>
<a class='post-link' href='/2024/05/01/ari-in-tailscale' hreflang='en'>Takeaways from Tailscale’s Adoption of ARI</a>
</h2>
ACME Renewal Info (ARI) enables easy and automated cert revocation and replacement.
<p class="post-excerpt">
<a href='/2024/05/01/ari-in-tailscale' hreflang='en'>Read more</a>
</p>
</li>
<li>
<span class="post-meta">Apr 25, 2024</span>
<h2>
<a class='post-link' href='/2024/04/25/guide-to-integrating-ari-into-existing-acme-clients' hreflang='en'>An Engineer’s Guide to Integrating ARI into Existing ACME Clients</a>
</h2>
Six steps developers can take to integrate ARI into an existing ACME client.
<p class="post-excerpt">
<a href='/2024/04/25/guide-to-integrating-ari-into-existing-acme-clients' hreflang='en'>Read more</a>
</p>
</li>
</ul>
<p class="rss-subscribe">
<i class="fas fa-rss-square" aria-hidden="true"></i>
Subscribe <a href="/feed.xml">via RSS</a>
</p>
</div>
</div>
<div class="pure-u-1 pure-u-md-1-2">
<div class='grid-container'>
<h2 class="through-line"><a href="/sponsors/">Major Sponsors and Funders</a></h2>
<div class="text-center home_sponsors">
<a href="https://www.google.com/chrome/" rel="nofollow"><img src="/images/sponsors/small/chrome-logo.png" alt="Google Chrome" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://aws.amazon.com/" ><img src="/images/sponsors/small/aws-logo-2.png" alt="Amazon Web Services" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.mozilla.org/" ><img src="/images/sponsors/small/mozilla-logo.png" alt="Mozilla" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.cisco.com/" ><img src="/images/sponsors/small/cisco-logo.png" alt="Cisco" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.eff.org/" ><img src="/images/sponsors/small/eff-logo.png" alt="Electronic Frontier Foundation" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.ovh.com/" ><img src="/images/sponsors/small/ovh-logo.png" alt="OVH" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.meta.com/" ><img src="/images/sponsors/small/meta-logo.png" alt="Meta" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.identrust.com/" ><img src="/images/sponsors/small/identrust-logo.png" alt="IdenTrust" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.fordfound.org/" ><img src="/images/sponsors/small/ford-foundation-logo.png" alt="Ford Foundation" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.shopify.com/" ><img src="/images/sponsors/small/shopify-logo.png" alt="Shopify" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.ibm.com/" ><img src="/images/sponsors/small/ibm-logo.png" alt="IBM" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.sap.com/" ><img src="/images/sponsors/small/sap-logo.svg" alt="SAP" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.squarespace.com/" ><img src="/images/sponsors/small/squarespace-logo.png" alt="Squarespace" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://automattic.com/" ><img src="/images/sponsors/small/automattic-logo.png" alt="Automattic" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.akamai.com/" ><img src="/images/sponsors/small/akamai-logo.png" alt="Akamai" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.cyon.ch/" ><img src="/images/sponsors/small/cyon-logo.png" alt="Cyon" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.infomaniak.ch/" ><img src="/images/sponsors/small/infomaniak-logo.png" alt="Infomaniak" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.hostpoint.ch/" ><img src="/images/sponsors/small/hostpoint-logo.png" alt="HostPoint" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.siteground.com/" ><img src="/images/sponsors/small/siteground-logo.png" alt="SiteGround" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.vultr.com" ><img src="/images/sponsors/small/vultr-logo.png" alt="Vultr" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.planethoster.com/" ><img src="/images/sponsors/small/planethoster-logo.png" alt="Hébergement web" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.fastly.com/" ><img src="/images/sponsors/small/fastly-logo.png" alt="Fastly" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.3cx.com/" ><img src="/images/sponsors/small/3cx-logo.png" alt="3CX" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.jimdo.com/" ><img src="/images/sponsors/small/jimdo-logo.png" alt="Jimdo" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.zendesk.com/" ><img src="/images/sponsors/small/zendesk-logo.png" alt="Zendesk" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.netlify.com/" ><img src="/images/sponsors/small/netlify-logo.png" alt="Netlify" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.hostpapa.com/lets-encrypt-hosting?utm_source=letsencrypt.org&utm_medium=referral&utm_campaign=us-seo&utm_term=web-hosting&utm_content=180x108-logo" ><img src="/images/sponsors/small/hostpapa-logo.png" alt="HostPapa" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://dnsimple.com/letsencrypt" ><img src="/images/sponsors/small/dnsimple-logo.png" alt="dnsimple" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://shiguredo.jp/" ><img src="/images/sponsors/small/shiguredo-v2-logo.svg" alt="Shiguredo" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.discourse.org/" ><img src="/images/sponsors/small/discourse-logo.png" alt="Discourse" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://driving-tests.org/" ><img src="/images/sponsors/small/driving-tests-logo.png" alt="driving-tests.org" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.sakura.ad.jp/" ><img src="/images/sponsors/small/sakura-logo.png" alt="Sakura Internet" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.duocircle.com/" ><img src="/images/sponsors/small/duocircle-logo.png" alt="DuoCircle" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://brave.com/" ><img src="/images/sponsors/small/brave-logo.png" alt="Brave" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://serverpilot.io/" ><img src="/images/sponsors/small/serverpilot-logo.png" alt="ServerPilot" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://domainname.shop/" ><img src="/images/sponsors/small/domainnameshop-logo.png" alt="DomainName.Shop" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://github.com/" ><img src="/images/sponsors/small/github-logo.png" alt="GitHub" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://unraid.net/" ><img src="/images/sponsors/small/unraid-logo.png" alt="Lime Technology (Unraid)" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://keenetic.com/" ><img src="/images/sponsors/small/keenetic-logo.png" alt="Keenetic" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.haproxy.com/" ><img src="/images/sponsors/small/haproxy-logo.png" alt="HAProxy" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.mongodb.com/" ><img src="/images/sponsors/small/mongodb-logo.png" alt="MongoDB" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.livesport.eu/" ><img src="/images/sponsors/small/livesport-logo.png" alt="Livesport" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.clever-cloud.com/" ><img src="/images/sponsors/small/clevercloud-logo.png" alt="Clever Cloud" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://ipinfo.io/" ><img src="/images/sponsors/small/ipinfo-logo.png" alt="IPInfo" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.greengeeks.com/" ><img src="/images/sponsors/small/greengeeks-logo.png" alt="GreenGeeks" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.redhat.com/" ><img src="/images/sponsors/small/redhat-logo.png" alt="RedHat" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.nabucasa.com/" ><img src="/images/sponsors/small/nabu-casa-logo.png" alt="Nabu Casa" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.wix.com/" ><img src="/images/sponsors/small/wix-logo.png" alt="Wix" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.heroku.com/" ><img src="/images/sponsors/small/heroku-logo.png" alt="Heroku" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.wpbeginner.com/" ><img src="/images/sponsors/small/wpbeginner-logo.png" alt="WPBeginner" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.hoststar.ch/" ><img src="/images/sponsors/small/hoststar-logo.png" alt="Hoststar" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.one.com/" ><img src="/images/sponsors/small/one-com-logo.png" alt="one.com" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://cargo.site/" ><img src="/images/sponsors/small/cargo-logo.png" alt="Cargo" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://rackspeed.de/" ><img src="/images/sponsors/small/rack-speed-logo.png" alt="RACK::SPEED" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.duda.co/" ><img src="/images/sponsors/small/duda-logo.png" alt="Duda" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.ads.com/" ><img src="/images/sponsors/small/ads-com-logo.png" alt="Ads.com" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.cdmon.com/es/" ><img src="/images/sponsors/small/cdmon-logo.png" alt="cdmon" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://goteleport.com/" ><img src="/images/sponsors/small/teleport-logo.png" alt="Teleport" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.nginx.com/" ><img src="/images/sponsors/small/nginx-logo.png" alt="NGINX" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://actonfamilygiving.org/" ><img src="/images/sponsors/small/acton-family-giving-logo.png" alt="Acton Family Giving" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://tailscale.com/" ><img src="/images/sponsors/small/tailscale-logo.svg" alt="Tailscale" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://bitlaunch.io/" ><img src="/images/sponsors/small/bitlaunch-logo.svg" alt="BitLaunch" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.iban.com/" ><img src="/images/sponsors/small/iban-logo.png" alt="IBAN" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://yubico.com/" ><img src="/images/sponsors/small/yubico-logo.png" alt="Yubico" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.4kdownload.com/-1uvr6/video-downloader" ><img src="/images/sponsors/small/4kdownload-logo.png" alt="Video Downloader" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.entri.com/" ><img src="/images/sponsors/small/entri-logo.svg" alt="Entri" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.confluent.io/" ><img src="/images/sponsors/small/confluent-logo.svg" alt="Confluent" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.jetbrains.com/" ><img src="/images/sponsors/small/jetbrains-logo.png" alt="Jet Brains" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://ngrok.com/" ><img src="/images/sponsors/small/ngrok-logo.png" alt="Ngrok" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.securew2.com/" ><img src="/images/sponsors/small/securew2-logo.svg" alt="SecureW2" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://www.20i.com/" ><img src="/images/sponsors/small/20i-logo.svg" alt="20i" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://serpapi.com/" ><img src="/images/sponsors/small/SerpApi-black.png" alt="SerpApi" width="80" height="48" class="sponsor-logo-small"></a>
<a href="https://ipv6.rs/" ><img src="/images/sponsors/small/ipv6rs-logo.png" alt="IPv6rs" width="80" height="48" class="sponsor-logo-small"></a>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="donate-footer">
<div class="wrapper text-center">
<h2>Support a more secure and privacy-respecting Web.</h2>
<div class="buttons">
<a class="accent" href="/donate/">Donate</a>
</div>
</div>
</div>
<footer class="site-footer">
<div class="wrapper">
<div class="footer-col-wrapper">
<div class="footer-col footer-col-2">
<p>Let's Encrypt is a free, automated, and open certificate authority brought to you by the nonprofit <a href="https://www.abetterinternet.org/">Internet Security Research Group (ISRG)</a>. Read all about our nonprofit work this year in our <a href="https://www.abetterinternet.org/annual-reports/">2023 Annual Report</a>.
</p>
<p>
<span itemscope itemtype="http://schema.org/PostalAddress">
<span itemprop="streetAddress">548 Market St, PMB 77519</span>,
<span itemprop="addressLocality">San Francisco</span>,
<span itemprop="addressRegion">CA</span>
<span itemprop="postalCode">94104-5401</span>,
<span itemprop="addressCountry">USA</span>
</span>
</p>
<p>Send all mail or inquiries to:</p>
<p>
<span itemscope itemtype="http://schema.org/PostalAddress">
<span itemprop="streetAddress">PO Box 18666</span>,
<span itemprop="addressLocality">Minneapolis</span>,
<span itemprop="addressRegion">MN</span>
<span itemprop="postalCode">55418-0666</span>,
<span itemprop="addressCountry">USA</span>
</span>
</p>
</div>
<div class="footer-col footer-col-1">
<ul class="social-media-list">
<li>
<a href="https://github.com/letsencrypt">
<i class="fab fa-github" aria-hidden="true"></i>
<span class="username">GitHub</span>
</a>
</li>
<li>
<a href="https://www.linkedin.com/company/lets-encrypt/">
<i class="fab fa-brands fa-linkedin-in" aria-hidden="true"></i>
<span class="username">LinkedIn</span>
</a>
</li>
<li>
<a href="https://x.com/letsencrypt">
<i class="fab fa-brands fa-x-twitter" aria-hidden="true"></i>
<span class="username">X</span>
</a>
</li>
<li>
<a rel="me" href="https://infosec.exchange/@letsencrypt">
<i class="fab fa-mastodon" aria-hidden="true"></i>
<span class="username">Mastodon</span>
</a>
</li>
</ul>
View our <a href="/privacy/">privacy policy</a>.<br>
View our <a href="https://www.abetterinternet.org/trademarks">trademark policy</a>.
</div>
<div class="footer-col footer-newsletter-col footer-col-3">
<h6>Subscribe for email updates about Let's Encrypt and other ISRG projects</h6>
<iframe src="https://outreach.abetterinternet.org/l/1011011/2023-02-16/6l51" height="200" style="width: 100%; border: 0"></iframe>
<div class="footer-copyright">
<a href="https://abetterinternet.org">© 2024 Internet Security Research Group</a>
</div>
</div>
</div>
</div>
</footer>
<script src="/js/main.9c0b9add2dc0db21de0f695103830dbde01e31d77fa9a2db9ac3c1b9e09e4806f2e0d9a7281b06461b2e162a3560c605b038169b42ff376b4cd28cc71203c8f0.js" integrity="sha512-nAua3S3A2yHeD2lRA4MNveAeMdd/qaLbmsPBueCeSAby4NmnKBsGRhsuFio1YMYFsDgWm0L/N2tM0ozHEgPI8A=="></script>
</body>
</html>
Resolver
Resolver ASN
AS42541
Resolver IP
185.10.221.255
Resolver Network Name
Fiberby ApS
Report ID
20240919T210631Z_webconnectivity_DK_42541_n1_CWCWSofxHV3boYqn
Platform
linux
Software Name
iThena-ooniprobe (1.0.0)
Measurement Engine
ooniprobe-engine (3.10.0-beta.3)