Yes — cloud.illinois.edu has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

This is a saved measurement from 2026-11-03 08:32 UTC. Check cloud.illinois.edu live now

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
cloud.illinois.edu has 4 IPv6 addresses and answers on every one we tested (4 more not tested).
✓ 2600:9000:2202:7c00:13:20bc:4500:93a1 answers · 443✓ 2600:9000:2202:5200:13:20bc:4500:93a1 answers · 443✓ 2600:9000:2202:c00:13:20bc:4500:93a1 answers · 443✓ 2600:9000:2202:9600:13:20bc:4500:93a1 answers · 443– 2600:9000:2202:1e00:13:20bc:4500:93a1 not tested– 2600:9000:2202:ac00:13:20bc:4500:93a1 not tested– 2600:9000:2202:e200:13:20bc:4500:93a1 not tested– 2600:9000:2202:800:13:20bc:4500:93a1 not tested
yes
www over IPv6
www.cloud.illinois.edu has 4 IPv6 addresses and answers on every one we tested (4 more not tested).
✓ 2600:9000:2202:1a00:13:20bc:4500:93a1 answers · 443✓ 2600:9000:2202:d600:13:20bc:4500:93a1 answers · 443✓ 2600:9000:2202:dc00:13:20bc:4500:93a1 answers · 443✓ 2600:9000:2202:c800:13:20bc:4500:93a1 answers · 443– 2600:9000:2202:9e00:13:20bc:4500:93a1 not tested– 2600:9000:2202:f600:13:20bc:4500:93a1 not tested– 2600:9000:2202:ae00:13:20bc:4500:93a1 not tested– 2600:9000:2202:cc00:13:20bc:4500:93a1 not tested
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.
dns1.illinois.edu ✓dns2.illinois.edu ✓dns3.illinois.edu ✓
yes
HTTPS over IPv6 · not part of the grade yet
Redirects to techservices.illinois.edu, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.
https://cloud.illinois.edu/ via 2600:9000:2202:7c00:13:20bc:4500:93a1 → 302https://techservices.illinois.edu/cloud-services/ · redirects to techservices.illinois.edu, which has no IPv6 address
problem

Nothing keeping you from an A

  1. A redirect leads off IPv6
    Redirects to techservices.illinois.edu, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all. Give the redirect target IPv6 too, or redirect somewhere that has it.

Check again

cloud.illinois.edu  Has IPv6

Alias ofd20cwi96nz0sus.cloudfront.net
A (IPv4)13.227.65.116
13.227.65.17
13.227.65.8
13.227.65.72
AAAA (IPv6)2600:9000:2202:7c00:13:20bc:4500:93a1
2600:9000:2202:5200:13:20bc:4500:93a1
2600:9000:2202:c00:13:20bc:4500:93a1
2600:9000:2202:9600:13:20bc:4500:93a1
2600:9000:2202:1e00:13:20bc:4500:93a1
2600:9000:2202:ac00:13:20bc:4500:93a1
2600:9000:2202:e200:13:20bc:4500:93a1
2600:9000:2202:800:13:20bc:4500:93a1

www.cloud.illinois.edu  Has IPv6

Alias ofd20cwi96nz0sus.cloudfront.net
A (IPv4)13.227.65.116
13.227.65.17
13.227.65.72
13.227.65.8
AAAA (IPv6)2600:9000:2202:1a00:13:20bc:4500:93a1
2600:9000:2202:d600:13:20bc:4500:93a1
2600:9000:2202:dc00:13:20bc:4500:93a1
2600:9000:2202:c800:13:20bc:4500:93a1
2600:9000:2202:9e00:13:20bc:4500:93a1
2600:9000:2202:f600:13:20bc:4500:93a1
2600:9000:2202:ae00:13:20bc:4500:93a1
2600:9000:2202:cc00:13:20bc:4500:93a1

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/V4nZIGO8q_ · How we measure

Checked 2026-11-03 08:32:17 UTC. Full DNS report: dns.pizza/domain/cloud.illinois.edu · Age, certificate and blocklists: how.is/cloud.illinois.edu · JSON: /api/v1/cloud.illinois.edu