Yes — questlogin.fun has IPv6.

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

This is a saved measurement from 2026-11-01 00:49 UTC. Check questlogin.fun live now

B
IPv6 readiness
Works over IPv6, with one gap: its mail servers lack IPv6.
Website over IPv6
questlogin.fun has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::ac43:d87c answers · 443✓ 2606:4700:3030::6815:181a answers · 443
yes
Mail servers (MX) have IPv6
None of the mail servers has an AAAA record.
mx00.ionos.com ✗mx01.ionos.com ✗
no
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
addilyn.ns.cloudflare.com ✓malcolm.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Answered over IPv6 with a server error (HTTP 525) — can't tell whether that's specific to IPv6.
https://questlogin.fun/ via 2606:4700:3037::ac43:d87c → 525
?

What's keeping questlogin.fun from an A

  1. Mail servers without IPv6
    mx00.ionos.com, mx01.ionos.com have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

questlogin.fun  Has IPv6

A (IPv4)172.67.216.124
104.21.24.26
AAAA (IPv6)2606:4700:3037::ac43:d87c
2606:4700:3030::6815:181a

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

 Permanent link: aaaa.bot/r/simGxGrc-o · How we measure

Checked 2026-11-01 00:49:25 UTC. Full DNS report: dns.pizza/domain/questlogin.fun · JSON: /api/v1/questlogin.fun