Yes — tipsport.cz has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 tipsport.cz has 2 IPv6 addresses and answers on every one we tested. ✓ 2a06:98c1:3103::ac40:91c5 answers · 443✓ 2a06:98c1:3102::6812:2a3b answers · 443	yes
www over IPv6 www.tipsport.cz has 2 IPv6 addresses and answers on every one we tested. ✓ 2a06:98c1:3102::6812:2a3b answers · 443✓ 2a06:98c1:3103::ac40:91c5 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. tipsport-cz.mail.protection.outlook.com ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. charles.ns.cloudflare.com ✓roxy.ns.cloudflare.com ✓	yes

First measured 2026-11-04; last confirmed 2026-11-04.

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 403.

https://tipsport.cz/ via 2a06:98c1:3103::ac40:91c5 → 301https://www.tipsport.cz/ via 2a06:98c1:3102::6812:2a3b → 403

works

Nothing keeping you from an A

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

Check again

tipsport.cz Has IPv6

A (IPv4)	104.18.42.59 172.64.145.197
AAAA (IPv6)	2a06:98c1:3103::ac40:91c5 2a06:98c1:3102::6812:2a3b

www.tipsport.cz Has IPv6

A (IPv4)	172.64.145.197 104.18.42.59
AAAA (IPv6)	2a06:98c1:3102::6812:2a3b 2a06:98c1:3103::ac40:91c5

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: tipsport.cz
Measured 2026-11-15 15:46:06 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.18.42.59, 172.64.145.197
AAAA (IPv6): 2a06:98c1:3103::ac40:91c5, 2a06:98c1:3102::6812:2a3b
www AAAA:    2a06:98c1:3102::6812:2a3b, 2a06:98c1:3103::ac40:91c5

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: tipsport.cz has 2 IPv6 addresses and answers on every one we tested.
    2a06:98c1:3103::ac40:91c5: answers (TCP 443)
    2a06:98c1:3102::6812:2a3b: answers (TCP 443)
- www over IPv6: www.tipsport.cz has 2 IPv6 addresses and answers on every one we tested.
    2a06:98c1:3102::6812:2a3b: answers (TCP 443)
    2a06:98c1:3103::ac40:91c5: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server 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 403.
    https://tipsport.cz/ via 2a06:98c1:3103::ac40:91c5 -> HTTP 301, certificate: valid
    https://www.tipsport.cz/ via 2a06:98c1:3102::6812:2a3b -> HTTP 403, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/2lDbP_tve5

Permanent link: aaaa.bot/r/2lDbP_tve5 · How we measure

Checked 2026-11-15 15:46:06 UTC. Full DNS report: dns.pizza/domain/tipsport.cz · Age, certificate and blocklists: how.is/tipsport.cz · JSON: /api/v1/tipsport.cz