Yes — auth.samba.tv has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 auth.samba.tv has 2 IPv6 addresses and answers on every one we tested. ✓ 2a06:98c1:3109::ac40:904a answers · 443✓ 2a06:98c1:310d::6812:2bb6 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 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns-1094.awsdns-08.org ✓ns-1787.awsdns-31.co.uk ✓ns-297.awsdns-37.com ✓ns-951.awsdns-54.net ✓	yes

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

https://auth.samba.tv/ via 2a06:98c1:3109::ac40:904a → 302https://samba.tv/ · redirects to samba.tv, which has no IPv6 address

problem

Nothing keeping you from an A

A redirect leads off IPv6
Redirects to samba.tv, 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

auth.samba.tv Has IPv6

Alias of	samba-tv-prod-cd-qoazh2k8toay6a9i.edge.tenants.us.auth0.com → samba-tv-prod.us.auth0.com → l2wm6v.us.auth0.com.pivot.prod.auth0edge.com → auth0-ingress.us.auth0.com.cdn.cloudflare.net
A (IPv4)	104.18.43.182 172.64.144.74
AAAA (IPv6)	2a06:98c1:3109::ac40:904a 2a06:98c1:310d::6812:2bb6

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: auth.samba.tv
Measured 2026-11-02 19:09:10 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.18.43.182, 172.64.144.74
AAAA (IPv6): 2a06:98c1:3109::ac40:904a, 2a06:98c1:310d::6812:2bb6

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: auth.samba.tv has 2 IPv6 addresses and answers on every one we tested.
    2a06:98c1:3109::ac40:904a: answers (TCP 443)
    2a06:98c1:310d::6812:2bb6: 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: 4 of 4 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 samba.tv, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.
    https://auth.samba.tv/ via 2a06:98c1:3109::ac40:904a -> HTTP 302, certificate: valid
    https://samba.tv/ (redirects to samba.tv, which has no IPv6 address)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/J-MfxDuMi4

Permanent link: aaaa.bot/r/J-MfxDuMi4 · How we measure

Checked 2026-11-02 19:09:10 UTC. Full DNS report: dns.pizza/domain/auth.samba.tv · Age, certificate and blocklists: how.is/auth.samba.tv · JSON: /api/v1/auth.samba.tv