Yes — support.ua.edu has IPv6.

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

B
IPv6 readiness
Works over IPv6, with one gap: its nameservers lack IPv6.
Website over IPv6
support.ua.edu has 4 IPv6 addresses and answers on every one we tested (1 more not tested).
✓ 2606:4700::6810:6b65 answers · 443✓ 2606:4700::6810:6c65 answers · 443✓ 2606:4700::6810:6a65 answers · 443✓ 2606:4700::6810:6e65 answers · 443– 2606:4700::6810:6d65 not tested
yes
Mail servers (MX) have IPv6
No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.		yes
Nameservers have IPv6
No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.
ext-dns3.ua.edu ✗ext-dns2.ua.edu ✗ext-dns1.ua.edu ✗
no
HTTPS over IPv6 · not part of the grade yet
support.ua.edu didn't complete an HTTPS request over IPv6 (ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE).
https://support.ua.edu/ via 2606:4700::6810:6b65 · ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE
?
 Load support.ua.edu over IPv6 from up to six other places — a second opinion.

What's keeping support.ua.edu from an A

  1. Nameservers without IPv6
    ext-dns3.ua.edu, ext-dns2.ua.edu, ext-dns1.ua.edu all have no AAAA record, so a resolver that only speaks IPv6 can't look your domain up. Most DNS providers offer IPv6 nameservers; ask yours, or move DNS to one that does.

Check again

support.ua.edu  Has IPv6

Alias ofcustom.domain.refined.site
A (IPv4)104.16.106.101
104.16.110.101
104.16.109.101
104.16.108.101
104.16.107.101
AAAA (IPv6)2606:4700::6810:6b65
2606:4700::6810:6c65
2606:4700::6810:6a65
2606:4700::6810:6e65
2606:4700::6810:6d65

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/1x7KN3t1G3 · How we measure

Checked 2026-11-03 05:57:16 UTC. Full DNS report: dns.pizza/domain/support.ua.edu · Age, certificate and blocklists: how.is/support.ua.edu · JSON: /api/v1/support.ua.edu