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f.ns.nic.cz
DNS delegation of f.ns.nic.cz updated: February 8, 2012 12:42
Delegation
| step | query | auth | servers |
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| 1 | f.ns.nic.cz. | . | (b,c,g,a,j,i,d,f,e,k,m,l,h).root-servers.net. | | 2 | f.ns.nic.cz. | cz. | (f,a,d,c,b).ns.nic.cz. | | 3 | f.ns.nic.cz. | nic.cz. | (a,d,b).ns.nic.cz. |
We pick b.root-servers.net, one of the 13 root servers (1), and ask it about f.ns.nic.cz and learn that cz is delegated to five name servers (2), so we ask f.ns.nic.cz where we learn that nic.cz is delegated to three name servers, including a.ns.nic.cz (3), so we ask that one and get the following answer:
Authoritative answer
| ANSWER for f.ns.nic.cz. |
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| f.ns.nic.cz. | 7200 | RRSIG | \# 154 002f050400001c204f3e61c74f2becc71c5e036e696302637a00256d0967f18174e80c60522bf9d8989074af7c5df2f5274c92fab84d8f0ec7374e638865b88c56fc148b7abb9e175bd805215699fe760cbb749e5afec2be40da25498a0d5adf61f60a957a52451162f08a9dd0e39f53fc6f7b91b2764963e2fbb143da8ae0d2f00afcbe857ce87bdb0caa063c1022645ce750b75cac7da38752 | | | 7200 | NSEC | \# 22 026636026e73036e696302637a000006400000080003 | | | 1800 | RRSIG | \# 154 001c0504000007084f3e61c74f2becc71c5e036e696302637a0007b374a7a475dc5cdfc564448607310b0e3e88058ce1b7a9f6c28ad31181104249465ad8eaef29fa4b9b29aa321ab44008b23444e5a9df7859d982d108e6327dac786ab600cd2cca742c7e03a7276e7f136560f7b04d2700d62a68eb8e9d0393162501ac1734ae8d7e90cbb81e9ce9759a1353d606ba5d2b69ed67056667447d | | | 1800 | AAAA | 2001:628:453:420:0:0:0:48 | | | 1800 | RRSIG | \# 154 00010504000007084f3e61c74f2becc71c5e036e696302637a00912987ca0670cfe3e9935c8e1699d906a5763ee8055190eb8fefba56747ab6a72c204f7104646e6285473b85634b5fa08ff725b5a3ace4c300019a867a51d015681ef6cac9eca5e1322ac5fbdb9d04430539773b1a74b5e229bb54cbc91f048b4bf3b8c4208be26ccc65a115078610d6468e93fc166680982dcd7355b2b0080b | | | 1800 | A | 193.171.255.48 | | AUTHORITATIVE for f.ns.nic.cz. |
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| nic.cz. | 1800 | NS | a.ns.nic.cz. | | | 1800 | NS | d.ns.nic.cz. | | | 1800 | NS | b.ns.nic.cz. | | ADDITIONAL for f.ns.nic.cz. |
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| a.ns.nic.cz. | 1800 | A | 194.0.12.1 | | | 1800 | AAAA | 2001:678:f:0:0:0:0:1 | | b.ns.nic.cz. | 1800 | A | 194.0.13.1 | | | 1800 | AAAA | 2001:678:10:0:0:0:0:1 | | d.ns.nic.cz. | 1800 | A | 193.29.206.1 | | | 1800 | AAAA | 2001:678:1:0:0:0:0:1 |
cz. net. nic.cz. ns.nic.cz. a.ns.nic.cz. b.ns.nic.cz. c.ns.nic.cz. f.ns.nic.cz. d.ns.nic.cz. root-servers.net. m.root-servers.net. a.root-servers.net. j.root-servers.net. h.root-servers.net. d.root-servers.net. i.root-servers.net. l.root-servers.net. k.root-servers.net. g.root-servers.net. f.root-servers.net. c.root-servers.net. b.root-servers.net. e.root-servers.net.
whois nic.cz
whois root-servers.net
whois nic.cz, nic.cz
domain info api nic.cz
f.ns.nic.cz has two IP numbers (2001:628:453:420::48, 193.171.255.48). Both are on the same IP network.
F.ns.cznic.eu cnames to this hostname. F6.ns.nic.cz point to the same IP. 0.2.4.e164.arpa and cz use f.ns.nic.cz as a name server.
You might also be interested in similar looking domain names: a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz and ns.nic.cz. Also check www.nic.cz and nic.cz.
RBL listing of f.ns.nic.cz
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