Yes — account.si.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
account.si.edu has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3032::ac43:dc77 answers · 443✓ 2606:4700:3037::6815:35f2 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
6 of 6 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
a1-88.akam.net ✓a9-64.akam.net ✓a11-67.akam.net ✓a24-67.akam.net ✓a26-66.akam.net ✓a28-65.akam.net ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
https://account.si.edu/ via 2606:4700:3032::ac43:dc77 → 301https://account.si.edu/s/my-account-home via 2606:4700:3032::ac43:dc77 → 200
works
 Load account.si.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/account.si.edu.svg)](https://aaaa.bot/account.si.edu)

Check again

account.si.edu  Has IPv6

Alias ofaccount.si.edu.00dhs000001viytmae.live.siteforce.com → account.si.edu.00dhs000001viytmae.live.siteforce.com.cdn.cloudflare.net
A (IPv4)104.21.53.242
172.67.220.119
AAAA (IPv6)2606:4700:3032::ac43:dc77
2606:4700:3037::6815:35f2

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/6ptt-fXwjZ · How we measure

Checked 2026-10-31 21:47:52 UTC. Full DNS report: dns.pizza/domain/account.si.edu · JSON: /api/v1/account.si.edu