Yes — autodiscover.ed.gov 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.ed.gov has 4 IPv6 addresses and answers on every one we tested.
✓ 2603:1036:302:505b::8 answers · 80✓ 2603:1036:302:4836::8 answers · 80✓ 2603:1036:302:4846::8 answers · 80✓ 2603:1036:207:457::8 answers · 80
yes
www over IPv6
www.autodiscover.ed.gov has 4 IPv6 addresses and answers on every one we tested.
✓ 2603:1036:207:2001::8 answers · 80✓ 2603:1036:303:4::8 answers · 80✓ 2603:1036:302:4154::8 answers · 80✓ 2603:1036:207:45a::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
6 of 6 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
a3-65.akam.net ✓a6-64.akam.net ✓a1-100.akam.net ✓a10-67.akam.net ✓a13-64.akam.net ✓a28-65.akam.net ✓
yes
HTTPS over IPv6 · not part of the grade yet
autodiscover.ed.gov didn't complete an HTTPS request over IPv6 (ECONNREFUSED).
https://autodiscover.ed.gov/ via 2603:1036:302:505b::8 · ECONNREFUSED
?
 Load autodiscover.ed.gov 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.ed.gov.svg)](https://aaaa.bot/autodiscover.ed.gov)

Check again

autodiscover.ed.gov  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)52.96.119.88
52.97.101.184
52.96.165.248
52.96.111.56
AAAA (IPv6)2603:1036:302:505b::8
2603:1036:302:4836::8
2603:1036:302:4846::8
2603:1036:207:457::8

www.autodiscover.ed.gov  Has IPv6

Alias ofautodiscover.ed.gov → autodiscover.outlook.com → autodiscover.outlook.cloud.microsoft → acdcatm.autodiscover.mira.tm.svc.cloud.microsoft → atm.autodiscover.mira.tm.svc.cloud.microsoft
A (IPv4)40.99.232.216
40.104.16.248
52.96.62.232
52.96.88.8
52.96.111.56
52.96.181.40
52.96.182.104
52.96.230.168
AAAA (IPv6)2603:1036:207:2001::8
2603:1036:303:4::8
2603:1036:302:4154::8
2603:1036:207:45a::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/ZaORXWCELG · How we measure

Checked 2026-11-01 17:40:41 UTC. Full DNS report: dns.pizza/domain/autodiscover.ed.gov · JSON: /api/v1/autodiscover.ed.gov