Yes — jcs-haw.info has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
jcs-haw.info has an AAAA record and answers on it.
✓ 2a01:238:20a:202:1151:: answers · 443
yes
www over IPv6
www.jcs-haw.info has an AAAA record and answers on it.
✓ 2a01:238:20a:202:1151:: answers · 443
yes
Mail servers (MX) have IPv6
Every mail server has an AAAA record.
smtpin.rzone.de ✓
yes
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
docks15.rzone.de ✓shades09.rzone.de ✓
yes
HTTPS over IPv6 · not part of the grade yet
jcs-haw.info didn't complete an HTTPS request over IPv6 (ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE).
https://jcs-haw.info/ via 2a01:238:20a:202:1151:: · ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE
?
 Which outside scripts, fonts, payments or chat jcs-haw.info loads from have no IPv6.
 Load jcs-haw.info 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/jcs-haw.info.svg)](https://aaaa.bot/jcs-haw.info)

Check again

jcs-haw.info  Has IPv6

A (IPv4)81.169.145.151
AAAA (IPv6)2a01:238:20a:202:1151::

www.jcs-haw.info  Has IPv6

Alias ofjcs-haw.info
A (IPv4)81.169.145.151
AAAA (IPv6)2a01:238:20a:202:1151::

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/krKNMTkUqy · How we measure

Checked 2026-11-06 05:28:58 UTC. Full DNS report: dns.pizza/domain/jcs-haw.info · Age, certificate and blocklists: how.is/jcs-haw.info · JSON: /api/v1/jcs-haw.info