DNS Tree > arpa > in-addr > 119 > 160 > 247 > 124

124.247.160.119.in-addr.arpa

Delegation
Authoritative answer
Related hostnames

DNS delegation of 124.247.160.119.in-addr.arpa updated: Jun 20, 2013 11:12:55 AM

Delegation

step	query	auth	servers
1	124.247.160.119.in-addr.arpa.	.	(c,e,h,d,j,b,l,a,m,g,f,i,k).root-servers.net.
2	124.247.160.119.in-addr.arpa.	in-addr.arpa.	(c,a,d,f,e,b).in-addr-servers.arpa.
3	124.247.160.119.in-addr.arpa.	119.in-addr.arpa.	ns4.apnic.net. tinnie.arin.net. ns3.apnic.net. ns2.lacnic.net. apnic1.dnsnode.net. sec1.authdns.ripe.net. ns1.apnic.net.
4	124.247.160.119.in-addr.arpa.	247.160.119.in-addr.arpa.	(ns5,ns1,ns2,ns3,ns4).yahoo.com.

We pick c.root-servers.net, one of the 13 root servers (1), and ask it about 124.247.160.119.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask c.in-addr-servers.arpa where we learn that 119.in-addr.arpa is delegated to seven name servers, including ns4.apnic.net (3), so we ask that one and learn that 247.160.119.in-addr.arpa is delegated to five name servers (4), so we ask ns5.yahoo.com and get the following answer:

Authoritative answer

ANSWER for 124.247.160.119.in-addr.arpa.
124.247.160.119.in-addr.arpa.	1800	PTR	ns5.yahoo.com.
AUTHORITATIVE for 124.247.160.119.in-addr.arpa.
247.160.119.in-addr.arpa.	172800	NS	ns1.yahoo.com.
	172800	NS	ns4.yahoo.com.
	172800	NS	ns5.yahoo.com.
	172800	NS	ns3.yahoo.com.
	172800	NS	ns2.yahoo.com.
ADDITIONAL for 124.247.160.119.in-addr.arpa.
ns1.yahoo.com.	1209600	A	68.180.131.16
ns2.yahoo.com.	1209600	A	68.142.255.16
ns3.yahoo.com.	1800	A	98.138.222.11
ns4.yahoo.com.	1209600	A	68.142.196.63
ns5.yahoo.com.	1209600	A	119.160.247.124

net. com. arpa. ripe.net. arin.net. yahoo.com. apnic.net. lacnic.net. dnsnode.net. in-addr.arpa. ns5.yahoo.com. ns2.yahoo.com. ns4.apnic.net. ns1.yahoo.com. ns4.yahoo.com. ns3.yahoo.com. ns3.apnic.net. ns1.apnic.net. ns2.lacnic.net. tinnie.arin.net. 119.in-addr.arpa. root-servers.net. authdns.ripe.net. m.root-servers.net. a.root-servers.net. j.root-servers.net. apnic1.dnsnode.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. 160.119.in-addr.arpa. in-addr-servers.arpa. sec1.authdns.ripe.net. 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. 247.160.119.in-addr.arpa. 124.247.160.119.in-addr.arpa.
whois net
whois com
whois arpa
whois arin.net
whois ripe.net
whois apnic.net
whois yahoo.com
whois lacnic.net
whois dnsnode.net
whois in-addr.arpa
whois root-servers.net
whois in-addr-servers.arpa

whois in-addr.arpa, in-addr.arpa
domain info api in-addr.arpa

Ns5.yahoo.com point to 119.160.247.124.

The name server ns5.yahoo.com
There are several thousand of domains that use the name server ns5.yahoo.com.

Three quarter of those use only the mail server . (example: yahoosearchaffiliate.com, sbcyahoodslmemberservices.com and yahooholagns.com ).
Three quarter of them use the five name servers ns1, ns2, ns3, ns4 and ns5.yahoo.com together, hereafter referred to as "name server group 1", (example: 175.73.209.in-addr.arpa, flicker.com.br and yahoo-support.com ).
Half of them point to the two IP numbers 68.180.206.184 and 98.139.102.145 together, hereafter referred to as "IP group 1", (example: yahoo-seo.com, localnewsyahoo.com and yohoo.it ).
Eleven percent of them use the four name servers ns1, ns2, ns3 and ns5.yahoo.com together (but not ns4.yahoo.com ), hereafter referred to as "name server group 2", (example: yahootoons.com, yahooincentives.net and wywahoos.com ).
The five name servers ns1, ns2, ns3, ns4 and ns5.yahoo.com together
There are several thousand of domains that use name server group 1.

Three quarter of those use only the mail server . (example: yahoochurch.com, fairiesyahoo.com and yahao.com ).
Two thirds of them point to IP group 1 (example: gb-yahoo.com, zyahoo.net and ahoomusic.com ).
One percent of them point only to the IP number 98.136.61.55 (example: ncisaa.com ).
The four name servers ns1, ns2, ns3 and ns5.yahoo.com together
All of the more than a thousands domains that use name server group 2 use only the mail server . (example: ahoo.com.br, yahoomaikl.com and scbyahoodsl.com ).

The five name servers ns2.yahoo.com, ns3.yahoo.com, ns4.yahoo.com, ns5.yahoo.com and.ns1.yahoo.com …
There are more than a thousands domains that use the five name servers ns2.yahoo.com, ns3.yahoo.com, ns4.yahoo.com, ns5.yahoo.com and .ns1.yahoo.com together.

All of those use only the mail server . (example: classified-yahoo.com, bestyahoolaginsgames.com and yahoofundraising.com ).
All of them point to IP group 1 (example: hhyahoo.com, chinese-yahoos.com and yahoomescenger.com ).
The four name servers ns2.yahoo.com, ns3.yahoo.com, ns5.yahoo.com and.ns1.yahoo.com together
All of the more than hundred domains that use the four name servers ns2.yahoo.com, ns3.yahoo.com, ns5.yahoo.com and .ns1.yahoo.com together use only the mail server . (example: mailhahoo.com ).

The IP number 119.160.247.124 only
All of the one host names that point only to the IP number 119.160.247.124 use only the mail server ..

The IP number 119.160.247.124
There are one host names that point to the IP number 119.160.247.124.

All of those use only the mail server ..
All of them point only to that ip number.