Yes — autodiscover.hotmail.com 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.hotmail.com has 4 IPv6 addresses and answers on every one we tested.
✓ 2603:1036:302:4836::2 answers · 443✓ 2603:1036:302:4842::2 answers · 443✓ 2603:1036:303:3c17::2 answers · 443✓ 2603:1036:207:86c::2 answers · 443
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
4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns1-205.azure-dns.com ✓ns2-205.azure-dns.net ✓ns3-205.azure-dns.org ✓ns4-205.azure-dns.info ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 417.
https://autodiscover.hotmail.com/ via 2603:1036:302:4836::2 → 301https://autodiscover.hotmail.com/mail/ via 2603:1036:302:4836::2 → 417
works
 Load autodiscover.hotmail.com 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.hotmail.com.svg)](https://aaaa.bot/autodiscover.hotmail.com)

Check again

autodiscover.hotmail.com  Has IPv6

Alias ofeas.outlook.com → outlook.office365.com → outlook.cloud.microsoft → acdcatm.outlook.mira.tm.svc.cloud.microsoft → shed.outlook.acdc.tm.svc.cloud.microsoft
A (IPv4)52.96.172.114
52.96.179.226
52.96.122.18
52.96.165.242
AAAA (IPv6)2603:1036:302:4836::2
2603:1036:302:4842::2
2603:1036:303:3c17::2
2603:1036:207:86c::2

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/MWl2WYGgO7 · How we measure

Checked 2026-11-02 13:04:30 UTC. Full DNS report: dns.pizza/domain/autodiscover.hotmail.com · JSON: /api/v1/autodiscover.hotmail.com