Yes — webclass.info has IPv6.

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

B
IPv6 readiness
Works over IPv6, with one gap: its mail servers lack IPv6.
Website over IPv6
webclass.info has an AAAA record and answers on it.
✓ 2001:8d8:fe::65 answers · 443
yes
www over IPv6
www.webclass.info has an AAAA record and answers on it.
✓ 2607:f1c0:100f:f000::200 answers · 443
yes
Mail servers (MX) have IPv6
None of the mail servers has an AAAA record.
mx00.ionos.com ✗mx01.ionos.com ✗
no
Nameservers have IPv6
4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns1018.ui-dns.biz ✓ns1062.ui-dns.de ✓ns1060.ui-dns.com ✓ns1020.ui-dns.org ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://webclass.info/ via 2001:8d8:fe::65 → 200
works
 Which outside scripts, fonts, payments or chat webclass.info loads from have no IPv6.
 Load webclass.info over IPv6 from up to six other places — a second opinion.

What's keeping webclass.info from an A

  1. Mail servers without IPv6
    mx00.ionos.com, mx01.ionos.com have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

webclass.info  Has IPv6

A (IPv4)212.227.222.71
AAAA (IPv6)2001:8d8:fe::65

www.webclass.info  Has IPv6

A (IPv4)74.208.236.155
AAAA (IPv6)2607:f1c0:100f:f000::200

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/7SzY00mRT7 · How we measure

Checked 2026-11-06 20:35:23 UTC. Full DNS report: dns.pizza/domain/webclass.info · Age, certificate and blocklists: how.is/webclass.info · JSON: /api/v1/webclass.info