Yes — uo186.sbs has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
uo186.sbs has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::6815:32ed answers · 443✓ 2606:4700:3033::ac43:d5da answers · 443
yes
www over IPv6
www.uo186.sbs has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3033::ac43:d5da answers · 443✓ 2606:4700:3037::6815:32ed 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.
maisie.ns.cloudflare.com ✓vern.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://uo186.sbs/ via 2606:4700:3037::6815:32ed → 200
works
 Load uo186.sbs 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/uo186.sbs.svg)](https://aaaa.bot/uo186.sbs)

Check again

uo186.sbs  Has IPv6

A (IPv4)172.67.213.218
104.21.50.237
AAAA (IPv6)2606:4700:3037::6815:32ed
2606:4700:3033::ac43:d5da

www.uo186.sbs  Has IPv6

A (IPv4)104.21.50.237
172.67.213.218
AAAA (IPv6)2606:4700:3033::ac43:d5da
2606:4700:3037::6815:32ed

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/cD7Q3tPIZ- · How we measure

Checked 2026-11-04 04:00:57 UTC. Full DNS report: dns.pizza/domain/uo186.sbs · Age, certificate and blocklists: how.is/uo186.sbs · JSON: /api/v1/uo186.sbs