Yes — caspee.work has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
caspee.work has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::ac43:87dd answers · 443✓ 2606:4700:3035::6815:1a68 answers · 443
yes
www over IPv6
www.caspee.work has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3035::6815:1a68 answers · 443✓ 2606:4700:3037::ac43:87dd answers · 443
yes
Mail servers (MX) have IPv6
Null MX — this domain says it doesn't receive mail.		n/a
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
millie.ns.cloudflare.com ✓viddy.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200.
https://caspee.work/ via 2606:4700:3037::ac43:87dd → 301https://caspee.ai/ via 2606:4700:3033::6815:5ed1 → 302https://unabyss.com/ via 2606:4700:3108::ac42:289e → 200
works
 Which outside scripts, fonts, payments or chat caspee.work loads from have no IPv6.
 Load caspee.work 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/caspee.work.svg)](https://aaaa.bot/caspee.work)

Check again

caspee.work  Has IPv6

A (IPv4)172.67.135.221
104.21.26.104
AAAA (IPv6)2606:4700:3037::ac43:87dd
2606:4700:3035::6815:1a68

www.caspee.work  Has IPv6

A (IPv4)104.21.26.104
172.67.135.221
AAAA (IPv6)2606:4700:3035::6815:1a68
2606:4700:3037::ac43:87dd

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/7yeP1WSU7W · How we measure

Checked 2026-11-13 10:29:27 UTC. Full DNS report: dns.pizza/domain/caspee.work · Age, certificate and blocklists: how.is/caspee.work · JSON: /api/v1/caspee.work