172
DNS delegation of 172 updated: Jun 17, 2013 8:56:13 AM
Delegation
step query auth servers 1 172.in-addr.arpa. . (l,h,f,c,m,j,b,k,a,e,i,d,g).root-servers.net. 2 172.in-addr.arpa. in-addr.arpa. (b,e,d,a,c,f).in-addr-servers.arpa. 3 172.in-addr.arpa. 172.in-addr.arpa. (v,x,w,t,z,u,y,r).arin.net.
We pick l.root-servers.net , one of the 13 root servers (1), and ask it about 172.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask b.in-addr-servers.arpa where we learn that 172.in-addr.arpa is delegated to eight name servers, including v.arin.net (3), so we ask that one and get the following answer:
Authoritative answer
ANSWER for 172.in-addr.arpa. 172.in-addr.arpa. 86400 SOA z.arin.net. dns-ops.arin.net. ( 2013061701 1800 900 691200 10800 ) 86400 RRSIG \# 164 000605030001518051cb809051be5190788c0331373207696e2d6164647204617270610048d9d60483b2959b41efa2f5d7f519a93754a0b31324b4bb5fbbf0d84606d6179aa14a7731e74eee36e476b5dda433965c71ff0912f699da97682227f309f255eea501a143d40b991b2e410a459131712533852b9e02a507f6f9e8b9673adf25448178b38801047f56b184bef98c98fcdf97770b9fb3a98f6a6643cea58b38a8 86400 NS u.arin.net.
86400 NS z.arin.net.
86400 NS y.arin.net.
86400 NS r.arin.net.
86400 NS v.arin.net.
86400 NS x.arin.net.
86400 NS t.arin.net.
86400 NS w.arin.net.
86400 RRSIG \# 164 000205030001518051cb809051be5190788c0331373207696e2d616464720461727061009351b139dcf568c1761e651c16107fb1bd496b5f250a6906952c4cea6dc59322b1e2ae01ca4039ac4b0a19883a8f9846f66eb6ce44655559df13813a365584ae4534dbc57d669179595580df92b986c986eff185ca08f34fc19506949f6d9aac71f002e9add4f9780095b1ecc84f0f936cc7ae5bc99e8777c669cb0a99ab1c72 86400 TXT "Generated at 2013-06-16 23:47:45Z with 0 DS records." 86400 TXT "Generated at 2013-06-16 23:47:45Z with 572 NS records." 86400 RRSIG \# 164 001005030001518051cb809051be5190788c0331373207696e2d61646472046172706100b31c83f964889f8e73e0cf6198a7dac1e7db16450fac68599a3ae9f0b80bf6bc7f4d8cba0aeafdc29b34678cfa7cba97b4d3a67060e4f474b60f207c6f4c6dea4facc946519701c074a43cb07320100f3a77f2829b048b10a8f75965c91b02d5a8eee14bf3962a5f73c8469559ee940de8313a590e1c7b0e759f6629e6532fd6 10800 NSEC \# 29 01300331373207696e2d61646472046172706100000722008000000380 10800 RRSIG \# 164 002f050300002a3051cb809051be5190788c0331373207696e2d6164647204617270610033fa74dcf6ee38311970d25232eb417ee06ca63a280e1b09185e4845287fdd4638e3344b036be34da6317eab2913a3a03e96a1b465cae86a7472fe0c85d1f92133dfd3e2e51bb750c2d1bf51a0991caf9059089184b736828a43c68d890a24619b126eb80a531214444c70577a23263cd1dd8d50236385717a0dfbdba60e901a 14400 DNSKEY \# 266 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 14400 DNSKEY \# 138 01000305050100000001d157d20d45eaa31407a1f582ed22d624a8a38dd63c07f4610819b89ac10b72cf0dbb823b4248f270a03f065974699684400791c981e8910e64c76d9dd351080762c8f226383b2b6778fd465899797fb8c82f7d30eef0093dba38b998d3c38991bd640746a2e628c4e066db5cb3a102af0afeb91cebe2ded4130fa0252ff7aa4f 14400 DNSKEY \# 138 01000305050100000001f2ee744a46aae54a41ce6ea5ed390e6bde00ca1100c43c61341afd460203e4bc2229c70f5539c3e4c9ce1a6480212f2fd6694d166498158550ac399f7d9972e75b3ceecd9c18f4242e4842ac5a9b5bf9905bffbd726b34d604a5cba3770430aa9184e77885a6811dab82450e253a105553248ad1695fdad0b13a407292087b35 14400 RRSIG \# 292 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 14400 RRSIG \# 164 003005030000384051cb809051be5190788c0331373207696e2d61646472046172706100a460acd6213d41e156a4cf9f3f0355658be7cc4b0dae1b27a184384c5a1feddd47a31636208a4001306b41287928c1766e863ecfc118ef45892e9f132a90f6410297b70368ef53fd178d23ea84e07710615a19e058d47b4c0d41530acfb59a3e9ab95204e404e4c9e76a5007587fd4b5eed8674d993775019acf3238ffe1d77b ADDITIONAL for 172.in-addr.arpa. r.arin.net. 43200 A 199.180.180.63 43200 AAAA 2001:500:f0:0:0:0:0:63 t.arin.net. 43200 A 199.253.249.63 43200 AAAA 2001:500:98:0:0:0:0:63 u.arin.net. 43200 A 204.61.216.50 43200 AAAA 2001:500:14:6050:ad:0:0:1 v.arin.net. 43200 A 63.243.194.2 43200 AAAA 2001:5a0:10:0:0:0:0:2 w.arin.net. 43200 A 72.52.71.2 43200 AAAA 2001:470:1a:0:0:0:0:2 x.arin.net. 43200 A 199.71.0.63 43200 AAAA 2001:500:31:0:0:0:0:63 y.arin.net. 43200 A 192.42.93.32 z.arin.net. 43200 A 199.212.0.63 43200 AAAA 2001:500:13:0:0:0:0:63
net. 172. arpa. arin.net. z.arin.net. u.arin.net. t.arin.net. w.arin.net. v.arin.net. y.arin.net. r.arin.net. x.arin.net. in-addr.arpa. 172.in-addr.arpa. 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. in-addr-servers.arpa. b.in-addr-servers.arpa. e.in-addr-servers.arpa. c.in-addr-servers.arpa. d.in-addr-servers.arpa. f.in-addr-servers.arpa. a.in-addr-servers.arpa.
whois net whois 172 whois arpa whois arin.net whois in-addr.arpa whois root-servers.net whois in-addr-servers.arpa whois 172 172 172 172 mnw
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