Yes — m.byu.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
m.byu.edu has 2 IPv6 addresses and answers on every one we tested.
✓ 2600:1f18:4ae:c606:78d4:4260:db4e:aeee answers · 443✓ 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb 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
2 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
edns3.byu.edu ✗edns2.byu.edu ✓edns1.byu.edu ✓
yes
HTTPS over IPv6 · not part of the grade yet
m.byu.edu didn't complete an HTTPS request over IPv6 (connection closed before a response).
https://m.byu.edu/ via 2600:1f18:4ae:c606:78d4:4260:db4e:aeee · connection closed before a response
?
 Load m.byu.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/m.byu.edu.svg)](https://aaaa.bot/m.byu.edu)

Check again

m.byu.edu  Has IPv6

Alias ofbyu.ezaxess.com
A (IPv4)54.243.117.197
13.223.25.84
AAAA (IPv6)2600:1f18:4ae:c606:78d4:4260:db4e:aeee
2600:1f18:4ae:c605:dd5d:b838:5816:d7fb

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/CmWSYPtjIy · How we measure

Checked 2026-11-03 10:31:19 UTC. Full DNS report: dns.pizza/domain/m.byu.edu · Age, certificate and blocklists: how.is/m.byu.edu · JSON: /api/v1/m.byu.edu