Yes — simbu.rocks has IPv6.

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

B
IPv6 readiness
Works over IPv6, with one gap: its mail servers lack IPv6.
Website over IPv6
simbu.rocks has 4 IPv6 addresses and answers on every one we tested.
✓ 2001:4860:4802:34::15 answers · 443✓ 2001:4860:4802:36::15 answers · 443✓ 2001:4860:4802:38::15 answers · 443✓ 2001:4860:4802:32::15 answers · 443
yes
Mail servers (MX) have IPv6
None of the mail servers has an AAAA record.
mx1.privateemail.com ✗mx2.privateemail.com ✗
no
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
dns1.registrar-servers.com ✓dns2.registrar-servers.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://simbu.rocks/ via 2001:4860:4802:34::15 → 200
works
 Load simbu.rocks over IPv6 from up to six other places — a second opinion.

What's keeping simbu.rocks from an A

  1. Mail servers without IPv6
    mx1.privateemail.com, mx2.privateemail.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

simbu.rocks  Has IPv6

A (IPv4)216.239.34.21
216.239.36.21
216.239.32.21
216.239.38.21
AAAA (IPv6)2001:4860:4802:34::15
2001:4860:4802:36::15
2001:4860:4802:38::15
2001:4860:4802:32::15

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/COWl9kip1o · How we measure

Checked 2026-10-30 21:14:42 UTC. Full DNS report: dns.pizza/domain/simbu.rocks · JSON: /api/v1/simbu.rocks