Yes — ca-official.skin has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 ca-official.skin has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:171e answers · 443✓ 2606:4700:3035::ac43:d077 answers · 443	yes
www over IPv6 www.ca-official.skin has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:d077 answers · 443✓ 2606:4700:3036::6815:171e 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 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. aliza.ns.cloudflare.com ✓dane.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Answered over IPv6 with a server error (HTTP 523) — can't tell whether that's specific to IPv6.

https://ca-official.skin/ via 2606:4700:3036::6815:171e → 523

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/ca-official.skin.svg)](https://aaaa.bot/ca-official.skin)

Check again

ca-official.skin Has IPv6

A (IPv4)	104.21.23.30 172.67.208.119
AAAA (IPv6)	2606:4700:3036::6815:171e 2606:4700:3035::ac43:d077

www.ca-official.skin Has IPv6

A (IPv4)	104.21.23.30 172.67.208.119
AAAA (IPv6)	2606:4700:3035::ac43:d077 2606:4700:3036::6815:171e

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

IPv6 measurement: ca-official.skin
Measured 2026-11-12 23:45:07 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.23.30, 172.67.208.119
AAAA (IPv6): 2606:4700:3036::6815:171e, 2606:4700:3035::ac43:d077
www AAAA:    2606:4700:3035::ac43:d077, 2606:4700:3036::6815:171e

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: ca-official.skin has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::6815:171e: answers (TCP 443)
    2606:4700:3035::ac43:d077: answers (TCP 443)
- www over IPv6: www.ca-official.skin has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::ac43:d077: answers (TCP 443)
    2606:4700:3036::6815:171e: answers (TCP 443)
- Mail servers (MX) have IPv6: No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.
- Nameservers have IPv6: 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.

Reachability = a TCP connection opened on port 443 (or 80).

HTTPS over IPv6 (not graded): Answered over IPv6 with a server error (HTTP 523) — can't tell whether that's specific to IPv6.
    https://ca-official.skin/ via 2606:4700:3036::6815:171e -> HTTP 523, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/-EVHWidLYG

Permanent link: aaaa.bot/r/-EVHWidLYG · How we measure

Checked 2026-11-12 23:45:07 UTC. Full DNS report: dns.pizza/domain/ca-official.skin · Age, certificate and blocklists: how.is/ca-official.skin · JSON: /api/v1/ca-official.skin