Yes — autodiscover.ucsd.edu has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
autodiscover.ucsd.edu has 4 IPv6 addresses and answers on every one we tested.
✓ 2603:1036:207:2001::8 answers · 80✓ 2603:1036:302:4845::8 answers · 80✓ 2603:1036:302:4834::8 answers · 80✓ 2603:1036:303:4850::8 answers · 80
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
2 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns-auth3.ucsd.edu ✓ns-auth1.ucsd.edu ✗ns-auth2.ucsd.edu ✓
yes
HTTPS over IPv6 · not part of the grade yet
autodiscover.ucsd.edu didn't complete an HTTPS request over IPv6 (ECONNREFUSED).
https://autodiscover.ucsd.edu/ via 2603:1036:207:2001::8 · ECONNREFUSED
?
 Load autodiscover.ucsd.edu 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/autodiscover.ucsd.edu.svg)](https://aaaa.bot/autodiscover.ucsd.edu)

Check again

autodiscover.ucsd.edu  Has IPv6

Alias ofautodiscover.outlook.com → autodiscover.outlook.cloud.microsoft → acdcatm.autodiscover.mira.tm.svc.cloud.microsoft → autod.ms-acdc-autod.office.com
A (IPv4)52.96.88.72
52.96.109.184
40.99.232.216
52.96.184.8
AAAA (IPv6)2603:1036:207:2001::8
2603:1036:302:4845::8
2603:1036:302:4834::8
2603:1036:303:4850::8

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/14TfwX160V · How we measure

Checked 2026-10-31 14:24:50 UTC. Full DNS report: dns.pizza/domain/autodiscover.ucsd.edu · JSON: /api/v1/autodiscover.ucsd.edu