Yes — cloud-run.net has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
cloud-run.net has an AAAA record and answers on it.
✓ 2a01:238:20a:202:1066:: answers · 443
yes
www over IPv6
www.cloud-run.net has an AAAA record and answers on it.
✓ 2a01:238:20a:202:1066:: 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.
shades04.rzone.de ✓docks12.rzone.de ✓
yes
HTTPS over IPv6 · not part of the grade yet
cloud-run.net didn't complete an HTTPS request over IPv6 (ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE).
https://cloud-run.net/ via 2a01:238:20a:202:1066:: · ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE
?
 Which outside scripts, fonts, payments or chat cloud-run.net loads from have no IPv6.
 Load cloud-run.net 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/cloud-run.net.svg)](https://aaaa.bot/cloud-run.net)

Check again

cloud-run.net  Has IPv6

A (IPv4)81.169.145.66
AAAA (IPv6)2a01:238:20a:202:1066::

www.cloud-run.net  Has IPv6

Alias ofcloud-run.net
A (IPv4)81.169.145.66
AAAA (IPv6)2a01:238:20a:202:1066::

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/wlw2Dog3qz · How we measure

Checked 2026-11-08 05:41:21 UTC. Full DNS report: dns.pizza/domain/cloud-run.net · Age, certificate and blocklists: how.is/cloud-run.net · JSON: /api/v1/cloud-run.net