Yes — translate.onlineshop.cz has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 translate.onlineshop.cz has 3 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:20::681a:227 answers · 443✓ 2606:4700:20::681a:327 answers · 443✓ 2606:4700:20::ac43:493b answers · 443	yes
www over IPv6 www.translate.onlineshop.cz has 3 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:20::681a:227 answers · 443✓ 2606:4700:20::681a:327 answers · 443✓ 2606:4700:20::ac43:493b 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. brady.ns.cloudflare.com ✓journey.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://translate.onlineshop.cz/ via 2606:4700:20::681a:227 → 301https://www.onlineshop.cz/ via 2606:4700:20::681a:227 → 200

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/translate.onlineshop.cz.svg)](https://aaaa.bot/translate.onlineshop.cz)

Check again

translate.onlineshop.cz Has IPv6

A (IPv4)	104.26.2.39 104.26.3.39 172.67.73.59
AAAA (IPv6)	2606:4700:20::681a:227 2606:4700:20::681a:327 2606:4700:20::ac43:493b

www.translate.onlineshop.cz Has IPv6

A (IPv4)	104.26.2.39 104.26.3.39 172.67.73.59
AAAA (IPv6)	2606:4700:20::681a:227 2606:4700:20::681a:327 2606:4700:20::ac43:493b

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: translate.onlineshop.cz
Measured 2026-11-15 19:02:26 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.26.2.39, 104.26.3.39, 172.67.73.59
AAAA (IPv6): 2606:4700:20::681a:227, 2606:4700:20::681a:327, 2606:4700:20::ac43:493b
www AAAA:    2606:4700:20::681a:227, 2606:4700:20::681a:327, 2606:4700:20::ac43:493b

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: translate.onlineshop.cz has 3 IPv6 addresses and answers on every one we tested.
    2606:4700:20::681a:227: answers (TCP 443)
    2606:4700:20::681a:327: answers (TCP 443)
    2606:4700:20::ac43:493b: answers (TCP 443)
- www over IPv6: www.translate.onlineshop.cz has 3 IPv6 addresses and answers on every one we tested.
    2606:4700:20::681a:227: answers (TCP 443)
    2606:4700:20::681a:327: answers (TCP 443)
    2606:4700:20::ac43:493b: answers (TCP 443)
- Mail servers (MX) have IPv6: No MX records, so mail goes to the domain's own address (implicit MX). It 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://translate.onlineshop.cz/ via 2606:4700:20::681a:227 -> HTTP 301, certificate: valid
    https://www.onlineshop.cz/ via 2606:4700:20::681a:227 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/wIdMdHThAC

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

Checked 2026-11-15 19:02:26 UTC. Full DNS report: dns.pizza/domain/translate.onlineshop.cz · Age, certificate and blocklists: how.is/translate.onlineshop.cz · JSON: /api/v1/translate.onlineshop.cz