go
ns4.yahoo.com and dns.yahoo.com point to 68.142.196.63.

dns.yahoo.com
a records
 
+ 68.142.196.63 68.142.192.0/19 AS14780 ns4.yahoo.com
+ --- ns4.yahoo.com

ns4.yahoo.com
a records
 
+ 68.142.196.63 68.142.192.0/19 AS14780 -
+ --- -
ip numbers of host
68.142.196.63
ptrs of ip numbers
ns4.yahoo.com
hostnames sharing ip with a-records
dns.yahoo.com
ns4.yahoo.com
domains using this as nameserver
104.165.202.in-addr.arpa
111.252.216.in-addr.arpa
124.109.216.in-addr.arpa
126.196.66.in-addr.arpa
136.157.64.in-addr.arpa
137.157.64.in-addr.arpa
161.152.200.in-addr.arpa
196.142.68.in-addr.arpa
197.250.63.in-addr.arpa
199.250.63.in-addr.arpa
208.250.63.in-addr.arpa
210.250.63.in-addr.arpa
215.30.72.in-addr.arpa
229.94.66.in-addr.arpa
251.142.68.in-addr.arpa
255.142.68.in-addr.arpa
3.12.217.in-addr.arpa
30.72.in-addr.arpa
6.74.in-addr.arpa
65.218.66.in-addr.arpa
72.6.74.in-addr.arpa
86.218.66.in-addr.arpa
accountcheckemailsyahoo.com
adinterax.com
altavista.com
altavista.fr
altavistaeurope.org
broadcastplanet.net
calendar.yahoo.com
corp.ukl.yahoo.com
crawl.yahoo.net
geocities.com
goyahoo.com
hotprize.com
indextools.com
inktomi.com
inktomisearch.com
ird.yahoo.com
koehler29i29yahoo.com
mud.yahoo.com
premiumservices.yahoo.com
re2.yahoo.com
re3.yahoo.com
resolver.net
rightmedia.com
rightmedia.net
rightmediaexchange.com
rmxads.com
sk1.yahoo.com
store.yahoo.com
ukl.yahoo.com
who.com
yahomail.com
yahoo.bg
yahoo.co.id
yahoo.com
yahoo.net
yahooligans.com
yahoomail.com
yieldmanager.com
yimg.com