Yes — auth.dns.business has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
auth.dns.business has an AAAA record and answers on it.
✓ 2001:43f8:790:70:e000:0:c41d:3d25 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.
ns4.dns.business ✓ns2us.dns.business ✓ns1.dns.business ✓ns3.dns.business ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200.
https://auth.dns.business/ via 2001:43f8:790:70:e000:0:c41d:3d25 → 302https://auth.dns.business/admin/ via 2001:43f8:790:70:e000:0:c41d:3d25 → 302https://auth.dns.business/admin/master/console/ via 2001:43f8:790:70:e000:0:c41d:3d25 → 200
works
 Which outside scripts, fonts, payments or chat auth.dns.business loads from have no IPv6.
 Load auth.dns.business over IPv6 from up to six other places — a second opinion.

Nothing keeping you from an A

  1. Nothing to fix
    Show it off: add the badge to your README.
    [![IPv6](https://aaaa.bot/badge/auth.dns.business.svg)](https://aaaa.bot/auth.dns.business)

Check again

auth.dns.business  Has IPv6

A (IPv4)196.29.61.37
AAAA (IPv6)2001:43f8:790:70:e000:0:c41d:3d25

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/YuHPmE55x_ · How we measure

Checked 2026-11-15 17:34:59 UTC. Full DNS report: dns.pizza/domain/auth.dns.business · Age, certificate and blocklists: how.is/auth.dns.business · JSON: /api/v1/auth.dns.business