Yes — coreszn.com has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
coreszn.com has an AAAA record and answers on it.
✓ 2600:3c15::2000:4cff:fe47:4469 answers · 443
yes
www over IPv6
www.coreszn.com has an AAAA record and answers on it.
✓ 2600:3c15::2000:4cff:fe47:4469 answers · 443
yes
Mail servers (MX) have IPv6
Every mail server has an AAAA record.
coreszn.com ✓
yes
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns2.domainesia.net ✓ns1.domainesia.net ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
https://coreszn.com/ via 2600:3c15::2000:4cff:fe47:4469 → 301https://www.coreszn.com/ via 2600:3c15::2000:4cff:fe47:4469 → 200
works
 Which outside scripts, fonts, payments or chat coreszn.com loads from have no IPv6.
 Load coreszn.com 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/coreszn.com.svg)](https://aaaa.bot/coreszn.com)

Check again

coreszn.com  Has IPv6

A (IPv4)104.64.206.190
AAAA (IPv6)2600:3c15::2000:4cff:fe47:4469

www.coreszn.com  Has IPv6

Alias ofcoreszn.com
A (IPv4)104.64.206.190
AAAA (IPv6)2600:3c15::2000:4cff:fe47:4469

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/3wBA2N7LHY · How we measure

Checked 2026-11-06 06:29:37 UTC. Full DNS report: dns.pizza/domain/coreszn.com · Age, certificate and blocklists: how.is/coreszn.com · JSON: /api/v1/coreszn.com