Yes — cercsj.org has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
cercsj.org has an AAAA record and answers on it.
✓ 2a00:7ee0:9:3:53:1:0:1d7 answers · 443
yes
www over IPv6
www.cercsj.org has an AAAA record and answers on it.
✓ 2a00:7ee0:9:3:53:1:0:1d7 answers · 443
yes
Mail servers (MX) have IPv6
Every mail server has an AAAA record.
mail.cercsj.org ✓
yes
Nameservers have IPv6
4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns1.dnshostservices.com ✓ns4.dnshostservices.com ✓ns3.dnshostservices.com ✓ns2.dnshostservices.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
https://cercsj.org/ via 2a00:7ee0:9:3:53:1:0:1d7 → 301https://www.cercsj.org/ via 2a00:7ee0:9:3:53:1:0:1d7 → 200
works
 Which outside scripts, fonts, payments or chat cercsj.org loads from have no IPv6.
 Load cercsj.org over IPv6 from up to six other places — a second opinion.

Nothing keeping you from an A

  1. Nothing to fix
    Show it off: add the badge to your README.
    [![IPv6](https://aaaa.bot/badge/cercsj.org.svg)](https://aaaa.bot/cercsj.org)

Check again

cercsj.org  Has IPv6

A (IPv4)91.234.195.113
AAAA (IPv6)2a00:7ee0:9:3:53:1:0:1d7

www.cercsj.org  Has IPv6

Alias ofcercsj.org
A (IPv4)91.234.195.113
AAAA (IPv6)2a00:7ee0:9:3:53:1:0:1d7

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

 Permanent link: aaaa.bot/r/S3QqNQg8Uk · How we measure

Checked 2026-11-10 05:37:29 UTC. Full DNS report: dns.pizza/domain/cercsj.org · Age, certificate and blocklists: how.is/cercsj.org · JSON: /api/v1/cercsj.org