Managing Letsencrypt certificates - sometimes it's difficult. So there is a closed topic with some annotations. Third party Tools to check your configuration [image] Third-party-Tools to check your configuration Help I… If a link is broken or if you have ideas - sen…

https://observatory.mozilla.org/ is usefull too (For the TLS scanner mainly) https://dnssec-analyzer.verisignlabs.com for DNSSEC https://tools.keycdn.com/ipv6-ping to test the IPv6 connectivity from different locations maybe off topic : https://hstspreload.org/

https://tools.keycdn.com/curl Online curl tool https://www.mxtoolbox.com/ Check if a record is available from all authoritative NS server.

Thanks. Added both, aggregated. If a site has a lot of tools, the start page or the page with the complete tool list is preferred. One day later: Created this discussion topic and moved the replies.

https://tools.letsdebug.net/cert-search - compared to crt.sh, it understands the PSL, understands Let’s Encrypt’s rate limits, and de-duplicates poisoned/real certificates. Since crt.sh is no longer significantly delayed since some weeks now I’m not sure there’s a great reason to continue to prefer …

[image] _az: https://tools.letsdebug.net/ Thanks - added with the start page.

WeakDH.org https://weakdh.org/sysadmin.html Cipher.list https://cipherli.st/ OWASP: https://www.owasp.org/index.php/TLS_Cipher_String_Cheat_Sheet OpenSSL and NMAP - not every server is exposed to the web so offline tools should be included as well SSLYZE - python checker Censys - CT searching…

Thanks. Added some links. The main focus are online tools with interactive checks.

Just wanted to add to the list of DNS utilities: https://www.grc.com/dns/dns.htm very decent I believe.

[image] tdelmas: https://unboundtest.com/ Thanks, now added. Changed the order, so the (now) three tools of active members are listed as (1).

Third-party-Tools to check your configuration - Discussion

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tdelmas December 30, 2018, 11:43pm 12

https://unboundtest.com/ from SERVFAIL looking up TXT (IDNA or DNSSEC issues?)

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Third-party-Tools to check your configuration - Discussion

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