The Real Internet

Test of jj.cz

F

Detailed results

DNS servers

The domain has at least some of its DNS servers accessible over IPv6. That is grade B.

jj.cz

• ✗ ns2.one.cz [no IPv6]
• ✓ ns3.one.cz [2001:470:6f:30f::1:1]
• ✓ ns1.one.cz [2001:470:6f:864::1]

Web servers

Website without IPv6. That is grade E/F.

E-mail servers

E-mail servers without IPv6. That is grade E/F.

• ✗ smtp.tripos.cz [no IPv6]
• ✗ panda.bk.cz [no IPv6]

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