ccTLD/cz/ilについて、ここに記述してください。

$ dnsq ns li.cz a.ns.nic.cz
{{{
2 li.cz:
108 bytes, 1+0+2+2 records, response, noerror
query: 2 li.cz
authority: li.cz 10800 NS primary.advnet.cz
authority: li.cz 10800 NS secondary.advnet.cz
additional: primary.advnet.cz 10800 A 213.180.36.130
additional: secondary.advnet.cz 10800 A 213.180.36.131
}}}
$ dnsq ns advnet.cz a.ns.nic.cz
{{{
2 advnet.cz:
105 bytes, 1+0+2+2 records, response, noerror
query: 2 advnet.cz
authority: advnet.cz 10800 NS secondary.advnet.cz
authority: advnet.cz 10800 NS primary.advnet.cz
additional: primary.advnet.cz 10800 A 213.180.36.130
additional: secondary.advnet.cz 10800 A 213.180.36.131
}}}