Yes — 10777.fyi has IPv6.

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

Measured 2026-11-05 03:34 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check 10777.fyi now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 10777.fyi has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::ac43:ae98 answers · 443✓ 2606:4700:3035::6815:281a answers · 443	yes
www over IPv6 www.10777.fyi has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::ac43:ae98 answers · 443✓ 2606:4700:3035::6815:281a 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. mike.ns.cloudflare.com ✓sunny.ns.cloudflare.com ✓	yes

First measured 2026-11-05; last confirmed 2026-11-05.

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 403.

https://10777.fyi/ via 2606:4700:3032::ac43:ae98 → 302https://home.10777.fyi/ via 2606:4700:3032::ac43:ae98 → 403

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/10777.fyi.svg)](https://aaaa.bot/10777.fyi)

Check again

10777.fyi Has IPv6

A (IPv4)	104.21.40.26 172.67.174.152
AAAA (IPv6)	2606:4700:3032::ac43:ae98 2606:4700:3035::6815:281a

www.10777.fyi Has IPv6

A (IPv4)	104.21.40.26 172.67.174.152
AAAA (IPv6)	2606:4700:3032::ac43:ae98 2606:4700:3035::6815:281a

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: 10777.fyi
Measured 2026-11-05 03:34:03 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.40.26, 172.67.174.152
AAAA (IPv6): 2606:4700:3032::ac43:ae98, 2606:4700:3035::6815:281a
www AAAA:    2606:4700:3032::ac43:ae98, 2606:4700:3035::6815:281a

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: 10777.fyi has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::ac43:ae98: answers (TCP 443)
    2606:4700:3035::6815:281a: answers (TCP 443)
- www over IPv6: www.10777.fyi has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::ac43:ae98: answers (TCP 443)
    2606:4700:3035::6815:281a: answers (TCP 443)
- Mail servers (MX) have IPv6: Null MX — this domain says it doesn't receive mail.
- 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 403.
    https://10777.fyi/ via 2606:4700:3032::ac43:ae98 -> HTTP 302, certificate: valid
    https://home.10777.fyi/ via 2606:4700:3032::ac43:ae98 -> HTTP 403, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/tnIdOgBBuC

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

Checked 2026-11-05 03:34:03 UTC. Full DNS report: dns.pizza/domain/10777.fyi · Age, certificate and blocklists: how.is/10777.fyi · JSON: /api/v1/10777.fyi