Yes — fireitsites.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 fireitsites.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:8e75 answers · 443✓ 2606:4700:3032::6815:5f04 answers · 443	yes
www over IPv6 www.fireitsites.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:8e75 answers · 443✓ 2606:4700:3032::6815:5f04 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. troy.ns.cloudflare.com ✓raphaela.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Redirects to fireitapp.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.

https://fireitsites.app/ via 2606:4700:3030::ac43:8e75 → 301https://fireitapp.com/ · redirects to fireitapp.com, which has no IPv6 address

problem

Nothing keeping you from an A

A redirect leads off IPv6
Redirects to fireitapp.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all. Give the redirect target IPv6 too, or redirect somewhere that has it.

Check again

fireitsites.app Has IPv6

A (IPv4)	104.21.95.4 172.67.142.117
AAAA (IPv6)	2606:4700:3030::ac43:8e75 2606:4700:3032::6815:5f04

www.fireitsites.app Has IPv6

A (IPv4)	104.21.95.4 172.67.142.117
AAAA (IPv6)	2606:4700:3030::ac43:8e75 2606:4700:3032::6815:5f04

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: fireitsites.app
Measured 2026-11-08 21:37:12 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.95.4, 172.67.142.117
AAAA (IPv6): 2606:4700:3030::ac43:8e75, 2606:4700:3032::6815:5f04
www AAAA:    2606:4700:3030::ac43:8e75, 2606:4700:3032::6815:5f04

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: fireitsites.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::ac43:8e75: answers (TCP 443)
    2606:4700:3032::6815:5f04: answers (TCP 443)
- www over IPv6: www.fireitsites.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::ac43:8e75: answers (TCP 443)
    2606:4700:3032::6815:5f04: 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): Redirects to fireitapp.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.
    https://fireitsites.app/ via 2606:4700:3030::ac43:8e75 -> HTTP 301, certificate: valid
    https://fireitapp.com/ (redirects to fireitapp.com, which has no IPv6 address)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/GDr3tegkvS

Permanent link: aaaa.bot/r/GDr3tegkvS · How we measure

Checked 2026-11-08 21:37:12 UTC. Full DNS report: dns.pizza/domain/fireitsites.app · Age, certificate and blocklists: how.is/fireitsites.app · JSON: /api/v1/fireitsites.app