Test of radio1.cz
F
Detailed results
DNS servers
The domain has all its DNS servers accessible over IPv6, great!
radio1.cz
- ✓ ns1.ignum.com [2a00:1e40:a:53::5]
- ✓ ns2.ignum.cz [2001:1ab0:7e1e:2::5]
Web servers
Website without IPv6. That is grade E/F.
E-mail servers
E-mail servers without IPv6. That is grade E/F.
- ✗ mail.prima-net.cz [no IPv6]
Last tests
| Test date | Grade |
|---|---|
| 31 Jul 2026 12:12 | F |