Yes — sportsforecast.dev has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 sportsforecast.dev has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:c452 answers · 443✓ 2606:4700:3035::6815:4497 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. erin.ns.cloudflare.com ✓phil.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://sportsforecast.dev/ via 2606:4700:3030::ac43:c452 → 302https://falling-voice-af95.cloudflareaccess.com/cdn-cgi/access/login/sportsforecast.dev?kid=ed25315ae37d1c71d655f832ec5e6c83dea9f65c0bc4dea0de217f4f3af28a0f&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImE4ZWU4YjIxNDNjNGU1NzQwMzQyN2YyN2EyZmZhMzY3ZDk5MmFkMGI5YTFmNDA3NDYyYmFiNTdlZjcwZmJmOWUifQ.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.SnNP4iVuHtb39cVxWmWwgkeEnqSnbZCBso9BcGBb4twxQZVigNS3qCIFvQY7hYnOOWYGXbaDO_n0e9Gat2wUIulp9AdpNyUSOQUYkFpahN96Q8S4QFWM5kWsdcSFESGMz6jXaFsRZlwHYeg9aYxtde5I71RRmOq2pFBUTyaMhjM62G10hsXvSrQUXzBJ-7sYG47Gobq9mkWvoqCiR2EfieEcF4EDBW8421GjlSyntcrZYsRRXhBy5p8neLO6GPYoDPhISmHYQ2T85-UCJKyePxxzZAhMg02G_ECG10ObZmiAF0iUW3VtuCkKF-ILEJ5hRpwFwSOjUlVDuJ5UC2GsuA&redirect_url=%2F via 2606:4700:300a::6813:c31d → 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/sportsforecast.dev.svg)](https://aaaa.bot/sportsforecast.dev)

Check again

sportsforecast.dev Has IPv6

A (IPv4)	172.67.196.82 104.21.68.151
AAAA (IPv6)	2606:4700:3030::ac43:c452 2606:4700:3035::6815:4497

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: sportsforecast.dev
Measured 2026-11-12 14:52:55 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.196.82, 104.21.68.151
AAAA (IPv6): 2606:4700:3030::ac43:c452, 2606:4700:3035::6815:4497

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: sportsforecast.dev has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::ac43:c452: answers (TCP 443)
    2606:4700:3035::6815:4497: 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://sportsforecast.dev/ via 2606:4700:3030::ac43:c452 -> HTTP 302, certificate: valid
    https://falling-voice-af95.cloudflareaccess.com/cdn-cgi/access/login/sportsforecast.dev?kid=ed25315ae37d1c71d655f832ec5e6c83dea9f65c0bc4dea0de217f4f3af28a0f&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImE4ZWU4YjIxNDNjNGU1NzQwMzQyN2YyN2EyZmZhMzY3ZDk5MmFkMGI5YTFmNDA3NDYyYmFiNTdlZjcwZmJmOWUifQ.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.SnNP4iVuHtb39cVxWmWwgkeEnqSnbZCBso9BcGBb4twxQZVigNS3qCIFvQY7hYnOOWYGXbaDO_n0e9Gat2wUIulp9AdpNyUSOQUYkFpahN96Q8S4QFWM5kWsdcSFESGMz6jXaFsRZlwHYeg9aYxtde5I71RRmOq2pFBUTyaMhjM62G10hsXvSrQUXzBJ-7sYG47Gobq9mkWvoqCiR2EfieEcF4EDBW8421GjlSyntcrZYsRRXhBy5p8neLO6GPYoDPhISmHYQ2T85-UCJKyePxxzZAhMg02G_ECG10ObZmiAF0iUW3VtuCkKF-ILEJ5hRpwFwSOjUlVDuJ5UC2GsuA&redirect_url=%2F via 2606:4700:300a::6813:c31d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/EQm6MwHVzo

Permanent link: aaaa.bot/r/EQm6MwHVzo · How we measure

Checked 2026-11-12 14:52:55 UTC. Full DNS report: dns.pizza/domain/sportsforecast.dev · Age, certificate and blocklists: how.is/sportsforecast.dev · JSON: /api/v1/sportsforecast.dev