Yes — motorkari.cz has IPv6.

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

This is a saved measurement from 2026-11-15 16:22 UTC. Check motorkari.cz live now

IPv6 readiness

Works over IPv6, with one gap: its mail servers lack IPv6.

Website over IPv6 motorkari.cz has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:2cfe answers · 443✓ 2606:4700:3033::ac43:cf07 answers · 443	yes
www over IPv6 www.motorkari.cz has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:2cfe answers · 443✓ 2606:4700:3033::ac43:cf07 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. caesar.shosting.cz ✗ns2.shosting.cz ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. cosmin.ns.cloudflare.com ✓ines.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://motorkari.cz/ via 2606:4700:3034::6815:2cfe → 301https://www.motorkari.cz/ via 2606:4700:3034::6815:2cfe → 200

works

What's keeping motorkari.cz from an A

Mail servers without IPv6
caesar.shosting.cz, ns2.shosting.cz 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

motorkari.cz Has IPv6

A (IPv4)	172.67.207.7 104.21.44.254
AAAA (IPv6)	2606:4700:3034::6815:2cfe 2606:4700:3033::ac43:cf07

www.motorkari.cz Has IPv6

A (IPv4)	104.21.44.254 172.67.207.7
AAAA (IPv6)	2606:4700:3034::6815:2cfe 2606:4700:3033::ac43:cf07

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

IPv6 measurement: motorkari.cz
Measured 2026-11-15 16:22:17 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.207.7, 104.21.44.254
AAAA (IPv6): 2606:4700:3034::6815:2cfe, 2606:4700:3033::ac43:cf07
www AAAA:    2606:4700:3034::6815:2cfe, 2606:4700:3033::ac43:cf07

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: motorkari.cz has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:2cfe: answers (TCP 443)
    2606:4700:3033::ac43:cf07: answers (TCP 443)
- www over IPv6: www.motorkari.cz has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:2cfe: answers (TCP 443)
    2606:4700:3033::ac43:cf07: answers (TCP 443)
- Mail servers (MX) have IPv6: None of the mail servers has an AAAA record.
- Nameservers have IPv6: 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.

Reachability = a TCP connection opened on port 443 (or 80).

HTTPS over IPv6 (not graded): Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
    https://motorkari.cz/ via 2606:4700:3034::6815:2cfe -> HTTP 301, certificate: valid
    https://www.motorkari.cz/ via 2606:4700:3034::6815:2cfe -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/Yi2IBXvewo

Permanent link: aaaa.bot/r/Yi2IBXvewo · How we measure

Checked 2026-11-15 16:22:17 UTC. Full DNS report: dns.pizza/domain/motorkari.cz · Age, certificate and blocklists: how.is/motorkari.cz · JSON: /api/v1/motorkari.cz