registro.br

Delegation
Authoritative answer
Related hostnames

DNS delegation of registro.br updated: Jun 19, 2013 8:57:28 PM

Delegation

step	query	auth	servers
1	registro.br.	.	(j,c,l,h,e,m,k,i,f,d,a,g,b).root-servers.net.
2	registro.br.	br.	(b,f,e,a,d,c).dns.br.

We pick j.root-servers.net, one of the 13 root servers (1), and ask it about registro.br and learn that br is delegated to six name servers (2), so we ask b.dns.br and get the following answer:

Authoritative answer

ANSWER for registro.br.
registro.br.	172800	SOA	a.dns.br. hostmaster.registro.br. ( 2013051401 86400 3600 604800 86400 )
	172800	NS	a.dns.br.
	172800	NS	b.dns.br.
	172800	NS	c.dns.br.
	172800	NS	d.dns.br.
	172800	NS	e.dns.br.
	172800	A	200.160.2.3
	172800	MX	1 clone.registro.br.
	172800	MX	5 fe.registro.br.
	172800	MX	9 clonev4.registro.br.
	172800	TXT	"v=spf1 a mx a:mailx.registro.br -all"
	172800	AAAA	2001:12ff:0:2:0:0:0:3
	86400	NSEC	\# 35 075f6a6162626572045f74637008726567697374726f02627200000762018008000380
	172800	DNSKEY	\# 152 0101030503010001c17afb33fe2e69d4fb4ee265d8e8317e4643aecb563eec869e10aaa9b5a31632073055d887c1b128f7101bf2319f2c2864c3d1e541c84a0390bc74f8fbda3a4bc5ae6837fa07396160a5efa8d3b694b30e442f6dffe82539bf22ff649175e9d01591e9d3af22d0bdb9510a0ce66d20685107600692abed7ff14520fd767f57a5306c4041ab0bf8d43c4c5e2d9be214bf
	172800	RRSIG	\# 175 000105020002a30051ee753851922c38d6b408726567697374726f026272005852691fa77dc0e4cbc66dcae383586d9a48ddef3d94a4b2c3f1d02b569fafec744ba05ea7aaaec560905cbb3c0789ac5eafe5d317a4ce48a0c82a2114b047b056b6365074e6b2820d93c4ce0a94c0f254fea8d32e479a8cb434769df8f3657ae387d92259e089e60e25f88d1a4f41d51725f88a970c694096946f96f6e72dc90cb5d0a5df1a7923063fc6e896d772b0
	172800	RRSIG	\# 175 000205020002a30051ee753851922c38d6b408726567697374726f0262720019f13bba15fa514f6e93beef9715c80135389b14136701c2c34b29cc4e4d74431d07044c9cd986b46d236ac51f06d93848f47c328d98b57c7009157a2b1c616042ac1df2e603313012d6d61943e30995134f35f9d1afe62ab116244bd1f6f09cc36b3ed08f919fa677ef2e904ec1169b7933c4967ca8eae46091e49f28db91bb41c359254172227cdd27a7a565ba551b
	172800	RRSIG	\# 175 000605020002a30051ee753851922c38d6b408726567697374726f02627200b1f6b358d276b8e013d2882bb8a3f933bf558b781679e5bbe19a61bf86a03f3c66f99276c59a1d3f63810449aca4d499af99465dca31d582dd57062a39725e25704f330ae80eb17199f1427fd7b295c29e6bfaacd90f3e00c13beb5cf4b495704df0931636f74ade21bea6911fb1eb6e43dfe85a586f1867c47714ddd0004a567f1bf02c9927d4923a86f2346d7901b6
	172800	RRSIG	\# 175 000f05020002a30051ee753851922c38d6b408726567697374726f02627200a7515fc9ab4777993631e4010e27a11de556c7f302c33418dad2b4e056fc2e1a286c9de7bf16eab49e357aaf3056786515e4af21f68e6bed365fe48fa1adb6b62ab73a65d1f50f1f39a5c8694acfbdafa08362a1f0a0b703f25dec69b01f43eda53d150b7ab7087fc52f93b6945cd8c55261265738e6f0140a4ce17fbe20aaf2ea2b06bc59384f091b3f1191eadfba83
	172800	RRSIG	\# 175 001005020002a30051ee753851922c38d6b408726567697374726f02627200a46f59541de757bc946116bb1dcda93b03a4990d04d463aa3e957735b4e6e759c7762096bc7fde01601e99346581125266e640cefb9cb57b6cb2ee891235665edae37520f2b66c57d289cd3fc657c997c809bb3817640e9ecd14c4baad4dc915ee6c2eb62b216b25c93338d81da923cc962001f9d7ed7bd264083566efdc2da0ade8956238d7831c845fd200e1ca7617
	172800	RRSIG	\# 175 001c05020002a30051ee753851922c38d6b408726567697374726f026272000f8f8a227e5e2929dae17a0d02971d2e87524d77421b24c305989eb9d6f8315f1208bc733e18c61728accfdeb761e8c7e45c2e3861be374d1e8a18f471b121d4f7b6f38396f49fd1b22348060f1f05cb92fb8e453cb63e6f75fbf381015a5c5614c70250755b6fd4248d173568abc0199be20c2684e982e92f8bd966e7b8a4e579368d9250a4d686aabf77551306e40f
	86400	RRSIG	\# 175 002f05020001518051ee753851922c38d6b408726567697374726f0262720070b8a53d660ac378dee0bff1683fddddf9fa36e3c3f32232b82253fa18ec4ac7bb6e7a499258983c2d9749e280c0f0b9fd660c640cd1413df1854a9856a8a9c76a9f326738a6d3c0822f303674d501a02a17393842a698bd09506901d3d00e7b80b9e48672f9dd40c42b15f6c96e21a54511e1ee11a7baea565ca5925c85dce3d554fababbd9b77df9136d5679191e10
	172800	RRSIG	\# 175 003005020002a30051ee753851922c38d6b408726567697374726f0262720021c50583c16526e457053f803464393216c30c778e8f80909244cd712c498bc6e681a7d5138b31f5a0529ca92a6ba6d9fcc092fa011bf0dc24509b2bcecbb94eb9c7b6b854975c54dab38997d2589718573f2196e976a84bebaf0a99feb1c94f6aedbc9effbe4a63cdc1da988f55970916809b3da6d2eb1c230828ed2410adff1752373dc4ef420a99e343a296ef4593

br. net. dns.br. a.dns.br. b.dns.br. e.dns.br. d.dns.br. f.dns.br. c.dns.br. registro.br. fe.registro.br. root-servers.net. clone.registro.br. 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. clonev4.registro.br.
whois br
whois net
whois dns.br
whois registro.br
whois root-servers.net

whois registro.br
domain info api registro.br

Www.registro.br, whois.registro.br, whois.dns.br, whois.nic.br and www.whois.registro.br cnames to this hostname. Registro.nic.br, tcmais.com.br and rwhois.nic.br point to the same IP. Dns.br share both name servers and mail servers with this domain. 204.108.189.in-addr.arpa use registro.br as a name server. Tmp.br, mil.br, eng.br, mus.br, imb.br and at least 103 other hosts share name servers with this domain. Ggf.br, ppg.br, vet.br, cnt.br, agr.br and at least 80 other hosts share name servers under another name with this domain. Fe.registro.br, clone.registro.br and clonev4.registro.br are hosts under this domain. Registro.php.tw, registro.mop.cl, registro.unah.com, registro.unesp.br, registro.defferrari.com and at least 14 other hosts are similar domain names.

Also check www.registro.br.

The name server d.dns.br
There are more than hundred domains that use the name server d.dns.br.

Half of those use the six name servers a, b, c, d, e and f.dns.br together, hereafter referred to as "name server group 1", (example: eti.br, br and coop.br ).
A third of them use the five name servers a, b, c, d and e.dns.br together, hereafter referred to as "name server group 2", (example: 1.0.0.0.8.f.2.1.1.0.0.2.ip6.arpa, 0.160.200.in-addr.arpa and 158.219.200.in-addr.arpa ).
Three of them point to the two IP numbers 2001:12ff:0:4::6 and 200.160.4.6 together, hereafter referred to as "IP group 1", (example: cetic.br and nic.br ).
The name server a.dns.br
There are more than hundred domains that use the name server a.dns.br.

Half of those use name server group 1 (example: inf.br, adv.br and wiki.br ).
One quarter of them use name server group 2 (example: 233.192.200.in-addr.arpa, cg.org.br and 5.160.200.in-addr.arpa ).
Two of them point to the two IP numbers 2001:12ff:0:4::20 and 200.160.4.20 together, hereafter referred to as "IP group 2", (example: ntp.br and ceptro.br ).
The name server b.dns.br
There are more than hundred domains that use the name server b.dns.br.

Half of those use name server group 1 (example: ecn.br, cim.br and ato.br ).
One quarter of them use name server group 2 (example: 8.160.200.in-addr.arpa, 4.160.200.in-addr.arpa and 31.130.200.in-addr.arpa ).
The name server e.dns.br
There are more than hundred domains that use the name server e.dns.br.

Half of those use name server group 1 (example: net.br, trd.br and b.br ).
A third of them use name server group 2 (example: 12.160.200.in-addr.arpa, 30.209.200.in-addr.arpa and 1.160.200.in-addr.arpa ).
Three of them point to IP group 1.
The name server c.dns.br
There are more than hundred domains that use the name server c.dns.br.

Half of those use name server group 1 (example: tv.br, rec.br and psi.br ).
A third of them use name server group 2 (example: 10.160.200.in-addr.arpa, f.f.2.1.1.0.0.2.ip6.arpa and 7.160.200.in-addr.arpa ).
Three of them point to IP group 1.
The IP number 2001:12ff:0:2::3
All of the six host names that point to the IP number 2001:12ff:0:2::3 point to the two IP numbers 2001:12ff:0:2::3 and 200.160.2.3 together, hereafter referred to as "IP group 3".

The IP number 200.160.2.3
There are nine host names that point to the IP number 200.160.2.3.

Six of those point to IP group 3.
Three of them point only to that ip number.
The five name servers a, b, c, d and e.dns.br together
There are about fourty domains that use name server group 2.

Three of those point to IP group 1.
Two of them use the two mail servers enqueuer and mail.cgi.br together (example: cgi.br ).
Two of them point to IP group 2.
The nine name servers a.dns.br, b.dns.br, c.dns.br, d.dns.br, e.dns.br, stic-dns3.ufrj.br, ceop1.nce…
All of the one domains that use the nine name servers a.dns.br, b.dns.br, c.dns.br, d.dns.br, e.dns.br, stic-dns3.ufrj.br, ceop1.nce.ufrj.br, ns1.nce.ufrj.br and ns2.nce.ufrj.br together use only the mail server mail.medicina.ufrj.br (example: medicina.ufrj.br ).