Test of filip.gross.cz
F
Detailed results
DNS servers
The domain has all its DNS servers accessible over IPv6, great!
filip.gross.cz
- ✓ ns2.web4u.cz [2a02:a40:100:28ff::12] → www.lc.cz
- ✓ ns.web4u.cz [2001:1568:fd::241] → www.lc.cz
www.lc.cz
- ✓ ns.web4u.cz [2001:1568:fd::241]
- ✓ ns2.web4u.cz [2a02:a40:100:28ff::12]
Web servers
Website without IPv6. That is grade E/F.
E-mail servers
E-mail servers without IPv6. That is grade E/F.
- ✗ mx2.web4u.cz [no IPv6]
- ✗ galaxy.lanconsult.cz [no IPv6]
Last tests
| Test date | Grade |
|---|---|
| 20 Oct 2025 16:32 | F |