Yes — zoi.moe has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 zoi.moe has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::ac43:c404 answers · 443✓ 2606:4700:3037::6815:151b answers · 443	yes
www over IPv6 www.zoi.moe has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:151b answers · 443✓ 2606:4700:3034::ac43:c404 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. celeste.ns.cloudflare.com ✓sage.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://zoi.moe/ via 2606:4700:3034::ac43:c404 → 302https://kazusaneko.cloudflareaccess.com/cdn-cgi/access/login/zoi.moe?kid=c13329f493fcae618fb18ffeb7eab063efce3f49691efbac3e8b5f6cb09a1c51&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImE3M2Y0ZGIyYWUzYzYzZTZmNTUyNWYxYTc1NzIzMjdkOGQyMDM3NmIxN2Y1MzZkYzJmNTgxYTg4MzI1MTA2M2MifQ.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.a1fAx7JlC2ug1vVr-RPkYAOa-REW8gVC0xL_2l5TJToUX71G9sNIW1Q36Le7CDE69sn3LeE7VjyeTeY7WHP_Pb8T3LyKcTymSAdfYXgBQ5FaiMQId78VQmyLive89wBUmOLVOI0FIBTaJYuBggfQ2arBYDDtK9RBLlCLFKBr2ZZpP3NLZbxiwmXBSXnwocg9V18s7PMKD1oNh8W053hhYGMd8hbHtlWd8AEq_B3EngObIfC0HNmiAKqUZcQ5ngOZZCYrgnDvrmXomr9X_dw4_tEtLr1wUvJST7mfQQfN7ffBUgNWNdasp6Fh7IVDgtUDD9AJAvUxgIJ3zEkDXTSMZQ&redirect_url=%2F via 2606:4700:300a::6813:c21d → 200

works

Nothing keeping you from an A

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

Check again

zoi.moe Has IPv6

A (IPv4)	104.21.21.27 172.67.196.4
AAAA (IPv6)	2606:4700:3034::ac43:c404 2606:4700:3037::6815:151b

www.zoi.moe Has IPv6

A (IPv4)	172.67.196.4 104.21.21.27
AAAA (IPv6)	2606:4700:3037::6815:151b 2606:4700:3034::ac43:c404

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: zoi.moe
Measured 2026-11-06 13:02:44 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.21.27, 172.67.196.4
AAAA (IPv6): 2606:4700:3034::ac43:c404, 2606:4700:3037::6815:151b
www AAAA:    2606:4700:3037::6815:151b, 2606:4700:3034::ac43:c404

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: zoi.moe has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::ac43:c404: answers (TCP 443)
    2606:4700:3037::6815:151b: answers (TCP 443)
- www over IPv6: www.zoi.moe has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::6815:151b: answers (TCP 443)
    2606:4700:3034::ac43:c404: 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): Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
    https://zoi.moe/ via 2606:4700:3034::ac43:c404 -> HTTP 302, certificate: valid
    https://kazusaneko.cloudflareaccess.com/cdn-cgi/access/login/zoi.moe?kid=c13329f493fcae618fb18ffeb7eab063efce3f49691efbac3e8b5f6cb09a1c51&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImE3M2Y0ZGIyYWUzYzYzZTZmNTUyNWYxYTc1NzIzMjdkOGQyMDM3NmIxN2Y1MzZkYzJmNTgxYTg4MzI1MTA2M2MifQ.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.a1fAx7JlC2ug1vVr-RPkYAOa-REW8gVC0xL_2l5TJToUX71G9sNIW1Q36Le7CDE69sn3LeE7VjyeTeY7WHP_Pb8T3LyKcTymSAdfYXgBQ5FaiMQId78VQmyLive89wBUmOLVOI0FIBTaJYuBggfQ2arBYDDtK9RBLlCLFKBr2ZZpP3NLZbxiwmXBSXnwocg9V18s7PMKD1oNh8W053hhYGMd8hbHtlWd8AEq_B3EngObIfC0HNmiAKqUZcQ5ngOZZCYrgnDvrmXomr9X_dw4_tEtLr1wUvJST7mfQQfN7ffBUgNWNdasp6Fh7IVDgtUDD9AJAvUxgIJ3zEkDXTSMZQ&redirect_url=%2F via 2606:4700:300a::6813:c21d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/54GV1QrCaj

Permanent link: aaaa.bot/r/54GV1QrCaj · How we measure

Checked 2026-11-06 13:02:44 UTC. Full DNS report: dns.pizza/domain/zoi.moe · Age, certificate and blocklists: how.is/zoi.moe · JSON: /api/v1/zoi.moe