Yes — webmail.illinois.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
webmail.illinois.edu has an AAAA record and answers on it.
✓ 2603:1061:14:48::1 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
3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
dns3.illinois.edu ✓dns1.illinois.edu ✓dns2.illinois.edu ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 2 redirects: HTTP 417.
https://webmail.illinois.edu/ via 2603:1061:14:48::1 → 301https://outlook.office.com/ via 2603:1036:302:5061::2 → 301https://outlook.office.com/mail/ via 2603:1036:302:5061::2 → 417
works
 Load webmail.illinois.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/webmail.illinois.edu.svg)](https://aaaa.bot/webmail.illinois.edu)

Check again

webmail.illinois.edu  Has IPv6

Alias ofalexand-webmail-e0ghgndpc7a7bbae.z01.azurefd.net → mr-z01.tm-azurefd.net
A (IPv4)150.171.109.66
AAAA (IPv6)2603:1061:14:48::1

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/f3eijwbWOQ · How we measure

Checked 2026-11-03 08:07:00 UTC. Full DNS report: dns.pizza/domain/webmail.illinois.edu · Age, certificate and blocklists: how.is/webmail.illinois.edu · JSON: /api/v1/webmail.illinois.edu