Yes — proefsaus.online has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
proefsaus.online has an AAAA record and answers on it.
✓ 2620:127:f00f:5:: answers · 443
yes
www over IPv6
www.proefsaus.online has an AAAA record and answers on it.
✓ 2620:127:f00f:e:: answers · 443
yes
Mail servers (MX) have IPv6
Every mail server has an AAAA record.
proefsaus.online ✓
yes
Nameservers have IPv6
3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns0.transip.net ✓ns1.transip.nl ✓ns2.transip.eu ✓
yes
HTTPS over IPv6 · not part of the grade yet
proefsaus.online didn't complete an HTTPS request over IPv6 (ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE).
https://proefsaus.online/ via 2620:127:f00f:5:: · ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE
?
 Which outside scripts, fonts, payments or chat proefsaus.online loads from have no IPv6.
 Load proefsaus.online 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/proefsaus.online.svg)](https://aaaa.bot/proefsaus.online)

Check again

proefsaus.online  Has IPv6

A (IPv4)23.227.38.65
AAAA (IPv6)2620:127:f00f:5::

www.proefsaus.online  Has IPv6

Alias ofshops.myshopify.com
A (IPv4)23.227.38.74
AAAA (IPv6)2620:127:f00f:e::

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/QdsqfubGCy · How we measure

Checked 2026-11-14 16:15:49 UTC. Full DNS report: dns.pizza/domain/proefsaus.online · Age, certificate and blocklists: how.is/proefsaus.online · JSON: /api/v1/proefsaus.online