Test of cd.cz
F
Detailed results
DNS servers
The domain has all its DNS servers accessible over IPv6, great!
cd.cz
- ✓ ns2.cdt.cz [2001:1a48:0:2::2]
- ✓ ns1.cdt.cz [2001:1a48:0:1::2]
Web servers
Website without IPv6. That is grade E/F.
E-mail servers
E-mail servers without IPv6. That is grade E/F.
- ✗ sis0000phaux821.ecps.cz [no IPv6]
- ✗ sis0000phaux801.ecps.cz [no IPv6]
Last tests
| Test date | Grade |
|---|---|
| 21 Aug 2025 23:19 | F |