Yes — auth.mercedesamgf1.com has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 auth.mercedesamgf1.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:440b::6812:22ab answers · 443✓ 2a06:98c1:3103::ac40:9955 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 3 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns3.corpinter.net ✗ns4.corpinter.de ✓ns1.corpinter.net ✓ns2.corpinter.de ✓	yes

HTTPS over IPv6 · not part of the grade yet
Redirects to mercedesamgf1.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.

https://auth.mercedesamgf1.com/ via 2606:4700:440b::6812:22ab → 302https://mercedesamgf1.com/ · redirects to mercedesamgf1.com, which has no IPv6 address

problem

Nothing keeping you from an A

A redirect leads off IPv6
Redirects to mercedesamgf1.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

auth.mercedesamgf1.com Has IPv6

Alias of	mercedesamgf1-cd-euagjs6yyg1ikes5.edge.tenants.eu.auth0.com → mercedesamgf1.eu.auth0.com → 6druj0.eu.auth0.com.pivot.prod.auth0edge.com → auth0-ingress.eu.auth0.com.cdn.cloudflare.net
A (IPv4)	104.18.34.171 172.64.153.85
AAAA (IPv6)	2606:4700:440b::6812:22ab 2a06:98c1:3103::ac40:9955

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.mercedesamgf1.com
Measured 2026-11-15 19:14:43 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.18.34.171, 172.64.153.85
AAAA (IPv6): 2606:4700:440b::6812:22ab, 2a06:98c1:3103::ac40:9955

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: auth.mercedesamgf1.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:440b::6812:22ab: answers (TCP 443)
    2a06:98c1:3103::ac40:9955: 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: 3 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 mercedesamgf1.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.
    https://auth.mercedesamgf1.com/ via 2606:4700:440b::6812:22ab -> HTTP 302, certificate: valid
    https://mercedesamgf1.com/ (redirects to mercedesamgf1.com, which has no IPv6 address)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/X83Rz6IUom

Permanent link: aaaa.bot/r/X83Rz6IUom · How we measure

Checked 2026-11-15 19:14:43 UTC. Full DNS report: dns.pizza/domain/auth.mercedesamgf1.com · Age, certificate and blocklists: how.is/auth.mercedesamgf1.com · JSON: /api/v1/auth.mercedesamgf1.com