OK
https://letsencrypt.org/
Czechia
Country
Network
September 19, 2024, 09:39 PM UTC
Date & Time
Websites
Websites
Runtime: 315ms
On September 19, 2024, 09:39 PM UTC, https://letsencrypt.org/ was accessible when tested on AS2852 in Czechia.

Failures

HTTP Experiment
null
DNS Experiment
null
Control
null

DNS Queries

Resolver:
172.68.212.17
Query:
IN A letsencrypt.org
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
A
3.72.140.173
@
IN
A
52.58.254.253
Query:
IN AAAA letsencrypt.org
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
AAAA
2a05:d014:58f:6201::64
@
IN
AAAA
2a05:d014:58f:6202::64

TCP Connections

Connection to 2a05:d014:58f:6201::64:443 succeeded.
Connection to 2a05:d014:58f:6202::64:443 succeeded.
Connection to 3.72.140.173:443 succeeded.
Connection to 52.58.254.253:443 succeeded.

HTTP Requests

URL
GET https://letsencrypt.org/
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Date:
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                      <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.
                        
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                            <a href='/2024/07/23/replacing-ocsp-with-crls' hreflang='en'>Read more</a>
                          
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                        <span class="post-meta">Jun 24, 2024</span>
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                            <a class='post-link' href='/2024/06/24/ntpd-rs-deployment' hreflang='en'>More Memory Safety for Let’s Encrypt: Deploying ntpd-rs</a>
                          
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                          NTP is critical to how TLS works, and now it’s memory safe at Let’s Encrypt.
                        
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                            <a href='/2024/06/24/ntpd-rs-deployment' hreflang='en'>Read more</a>
                          
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                        <span class="post-meta">May 30, 2024</span>
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                            <a class='post-link' href='/2024/05/30/princeton-partnership' hreflang='en'>Let’s Encrypt Continues Partnership with Princeton to Bolster Internet Security</a>
                          
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                          Increasing defense against BGP attacks thanks to support from the Open Technology Fund.
                        
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                        <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.
                        
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                            <a href='/2024/05/01/ari-in-tailscale' hreflang='en'>Read more</a>
                          
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                        <span class="post-meta">Apr 25, 2024</span>
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                            <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>
                          
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                          Six steps developers can take to integrate ARI into an existing ACME client.
                        
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                            <a href='/2024/04/25/guide-to-integrating-ari-into-existing-acme-clients' hreflang='en'>Read more</a>
                          
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