Test of www.restorio.cz
E
Detailed results
DNS servers
The domain has all its DNS servers accessible over IPv6, great!
www.restorio.cz
- ✓ fay.ns.cloudflare.com [2a06:98c1:50::ac40:2073]
- ✓ fay.ns.cloudflare.com [2606:4700:50::adf5:3a73]
- ✓ fay.ns.cloudflare.com [2803:f800:50::6ca2:c073]
- ✓ beau.ns.cloudflare.com [2a06:98c1:50::ac40:2149]
- ✓ beau.ns.cloudflare.com [2606:4700:58::adf5:3b49]
- ✓ beau.ns.cloudflare.com [2803:f800:50::6ca2:c149]
Web servers
The website is accessible over IPv6, great!
- ✓ 2606:4700:10::6814:1093
- ✓ 2606:4700:10::ac42:acf2
E-mail servers
E-mail servers without IPv6. That is grade E/F.
- ✗ relay.zoner.com [no IPv6]
- ✗ 10mx.zoner.com [no IPv6]
- ✗ 15mx.zoner.com [no IPv6]
Last tests
| Test date | Grade |
|---|---|
| 21 Apr 2026 21:30 | E |