Yes — lisekbuszek.org has IPv6.

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

This is a saved measurement from 2026-11-14 14:56 UTC. Check lisekbuszek.org live now

B
IPv6 readiness
Works over IPv6, with one gap: its mail servers lack IPv6.
Website over IPv6
lisekbuszek.org has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3031::ac43:c2ef answers · 443✓ 2606:4700:3036::6815:5a2a answers · 443
yes
www over IPv6
www.lisekbuszek.org has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3031::ac43:c2ef answers · 443✓ 2606:4700:3036::6815:5a2a answers · 443
yes
Mail servers (MX) have IPv6
None of the mail servers has an AAAA record.
_dc-mx.384644c53917.lisekbuszek.org ✗
no
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
decker.ns.cloudflare.com ✓jessica.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://lisekbuszek.org/ via 2606:4700:3031::ac43:c2ef → 200
works

What's keeping lisekbuszek.org from an A

  1. Mail servers without IPv6
    _dc-mx.384644c53917.lisekbuszek.org has no AAAA record, so mail from IPv6-only servers can't reach it directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

lisekbuszek.org  Has IPv6

A (IPv4)104.21.90.42
172.67.194.239
AAAA (IPv6)2606:4700:3031::ac43:c2ef
2606:4700:3036::6815:5a2a

www.lisekbuszek.org  Has IPv6

A (IPv4)104.21.90.42
172.67.194.239
AAAA (IPv6)2606:4700:3031::ac43:c2ef
2606:4700:3036::6815:5a2a

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/P0bsLGtMJY · How we measure

Checked 2026-11-14 14:56:18 UTC. Full DNS report: dns.pizza/domain/lisekbuszek.org · Age, certificate and blocklists: how.is/lisekbuszek.org · JSON: /api/v1/lisekbuszek.org