Yes — formalgateheaven.cfd has IPv6.

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

Measured 2026-11-08 04:30 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check formalgateheaven.cfd now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 formalgateheaven.cfd has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:5848 answers · 443✓ 2606:4700:3036::ac43:ae05 answers · 443	yes
www over IPv6 www.formalgateheaven.cfd has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:5848 answers · 443✓ 2606:4700:3036::ac43:ae05 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. aria.ns.cloudflare.com ✓isaac.ns.cloudflare.com ✓	yes

First measured 2026-11-08; last confirmed 2026-11-08.

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

https://formalgateheaven.cfd/ via 2606:4700:3031::6815:5848 → 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/formalgateheaven.cfd.svg)](https://aaaa.bot/formalgateheaven.cfd)

Check again

formalgateheaven.cfd Has IPv6

A (IPv4)	172.67.174.5 104.21.88.72
AAAA (IPv6)	2606:4700:3031::6815:5848 2606:4700:3036::ac43:ae05

www.formalgateheaven.cfd Has IPv6

A (IPv4)	104.21.88.72 172.67.174.5
AAAA (IPv6)	2606:4700:3031::6815:5848 2606:4700:3036::ac43:ae05

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: formalgateheaven.cfd
Measured 2026-11-08 04:30:27 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.174.5, 104.21.88.72
AAAA (IPv6): 2606:4700:3031::6815:5848, 2606:4700:3036::ac43:ae05
www AAAA:    2606:4700:3031::6815:5848, 2606:4700:3036::ac43:ae05

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: formalgateheaven.cfd has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::6815:5848: answers (TCP 443)
    2606:4700:3036::ac43:ae05: answers (TCP 443)
- www over IPv6: www.formalgateheaven.cfd has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::6815:5848: answers (TCP 443)
    2606:4700:3036::ac43:ae05: 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: HTTP 403.
    https://formalgateheaven.cfd/ via 2606:4700:3031::6815:5848 -> HTTP 403, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/WfoJrvwh6y

Permanent link: aaaa.bot/r/WfoJrvwh6y · How we measure

Checked 2026-11-08 04:30:27 UTC. Full DNS report: dns.pizza/domain/formalgateheaven.cfd · Age, certificate and blocklists: how.is/formalgateheaven.cfd · JSON: /api/v1/formalgateheaven.cfd