Yes — metzak.pro has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 metzak.pro has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:254e answers · 443✓ 2606:4700:3032::ac43:cde5 answers · 443	yes
www over IPv6 www.metzak.pro has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::ac43:cde5 answers · 443✓ 2606:4700:3036::6815:254e answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. route2.mx.cloudflare.net ✓route3.mx.cloudflare.net ✓route1.mx.cloudflare.net ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. addilyn.ns.cloudflare.com ✓major.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://metzak.pro/ via 2606:4700:3036::6815:254e → 302https://metzak.cloudflareaccess.com/cdn-cgi/access/login/metzak.pro?kid=dff3f478121bc3d6add7311dde95bd94a352abc12f9dc8ff3e0b14853b27f6f9&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.LpbkiwSvc6zJ7FwoKCC8xM7cvbdiKOOkhwOkA_G9jqmxjgKq8Uqe2afm_P4IGyhaCGo3WPhXeE4PsU7t4HVh_Dg7n1nZvoEFU53UPxjm4c54Gorn2GDjIKOD2elYgfpTWeAEJTbnrxihH10DNASr0Z4lhq9-kBIrv6Lt7tEQDytZiWEw1OyLU61J8vpGUJE05VoH7KI3yI6BRhTI4pN6NSfoq18Y6FL746t5qWC_PW2DzUWbVSmjb9_7CFyHmowh6pKjPUsItql5mN5OGx8lL7A0W-wIhKQmpovF0i95b-uYJyKD-XvHI8GN8seJte0KvMxgvNp2GJsnji6z5pm_hA&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/metzak.pro.svg)](https://aaaa.bot/metzak.pro)

Check again

metzak.pro Has IPv6

A (IPv4)	172.67.205.229 104.21.37.78
AAAA (IPv6)	2606:4700:3036::6815:254e 2606:4700:3032::ac43:cde5

www.metzak.pro Has IPv6

A (IPv4)	172.67.205.229 104.21.37.78
AAAA (IPv6)	2606:4700:3032::ac43:cde5 2606:4700:3036::6815:254e

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: metzak.pro
Measured 2026-11-12 03:18:39 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.205.229, 104.21.37.78
AAAA (IPv6): 2606:4700:3036::6815:254e, 2606:4700:3032::ac43:cde5
www AAAA:    2606:4700:3032::ac43:cde5, 2606:4700:3036::6815:254e

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: metzak.pro has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::6815:254e: answers (TCP 443)
    2606:4700:3032::ac43:cde5: answers (TCP 443)
- www over IPv6: www.metzak.pro has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::ac43:cde5: answers (TCP 443)
    2606:4700:3036::6815:254e: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server 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://metzak.pro/ via 2606:4700:3036::6815:254e -> HTTP 302, certificate: valid
    https://metzak.cloudflareaccess.com/cdn-cgi/access/login/metzak.pro?kid=dff3f478121bc3d6add7311dde95bd94a352abc12f9dc8ff3e0b14853b27f6f9&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.LpbkiwSvc6zJ7FwoKCC8xM7cvbdiKOOkhwOkA_G9jqmxjgKq8Uqe2afm_P4IGyhaCGo3WPhXeE4PsU7t4HVh_Dg7n1nZvoEFU53UPxjm4c54Gorn2GDjIKOD2elYgfpTWeAEJTbnrxihH10DNASr0Z4lhq9-kBIrv6Lt7tEQDytZiWEw1OyLU61J8vpGUJE05VoH7KI3yI6BRhTI4pN6NSfoq18Y6FL746t5qWC_PW2DzUWbVSmjb9_7CFyHmowh6pKjPUsItql5mN5OGx8lL7A0W-wIhKQmpovF0i95b-uYJyKD-XvHI8GN8seJte0KvMxgvNp2GJsnji6z5pm_hA&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/epG3RoYT_n

Permanent link: aaaa.bot/r/epG3RoYT_n · How we measure

Checked 2026-11-12 03:18:39 UTC. Full DNS report: dns.pizza/domain/metzak.pro · Age, certificate and blocklists: how.is/metzak.pro · JSON: /api/v1/metzak.pro