Whois and reverse dns lookup provided by robtex


DNS delegation of yahoo.com.tw updated:


2yahoo.com.tw.tw.d.dns.tw. g.dns.tw. b.dns.tw. i.dns.tw. e.dns.tw. c.dns.tw. ns.twnic.net. sec4.apnic.net. f.dns.tw. a.dns.tw. h.dns.tw.
3yahoo.com.tw.com.tw.h.twnic.net.tw. f.twnic.net.tw. i.dns.tw. e.twnic.net.tw. a.twnic.net.tw. c.twnic.net.tw. d.twnic.net.tw. sec4.apnic.net. g.twnic.net.tw. b.twnic.net.tw.
We pick l.root-servers.net, one of the 13 root servers (1), and ask it about yahoo.com.tw and learn that tw is delegated to eleven name servers (2), so we ask d.dns.tw where we learn that com.tw is delegated to ten name servers, including h.twnic.net.tw (3), so we ask that one and learn that yahoo.com.tw is delegated to five name servers (4), so we ask ns2.yahoo.com and get the following answer:

Authoritative answer

ANSWER for yahoo.com.tw.
yahoo.com.tw.7200SOAhidden-master.yahoo.com. hostmaster.yahoo-inc.com. ( 2017010600 3600 900 604800 600 )
7200 A74.6.50.150 yahoo.com.tw points to
7200 A98.137.236.150 yahoo.com.tw points to
7200 A77.238.184.150 yahoo.com.tw points to
1800 MX 10 mx-tw.mail.gm0.yahoodns.net. yahoo.com.tw use mx-tw.mail.gm0.yahoodns.net as mail server.
172800 NS ns1.yahoo.com. yahoo.com.tw use ns1.yahoo.com as name server.
172800 NS ns2.yahoo.com. yahoo.com.tw use ns2.yahoo.com as name server.
172800 NS ns4.yahoo.com. yahoo.com.tw use ns4.yahoo.com as name server.
172800 NS ns3.yahoo.com. yahoo.com.tw use ns3.yahoo.com as name server.
172800 NS ns5.yahoo.com. yahoo.com.tw use ns5.yahoo.com as name server.
7200TXT"v=spf1 redirect=_spf.mail.yahoo.com"
ADDITIONAL for yahoo.com.tw.
ns1.yahoo.com.1209600 A68.180.131.16
ns2.yahoo.com.1209600 A68.142.255.16
ns3.yahoo.com.1209600 A203.84.221.53
ns4.yahoo.com.1209600 A98.138.11.157
ns5.yahoo.com.1209600 A119.160.247.124
ns1.yahoo.com.86400 AAAA2001:4998:130::1001
ns2.yahoo.com.86400 AAAA2001:4998:140::1002
ns3.yahoo.com.86400 AAAA2406:8600:b8:fe03::1003

Related hostnames

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deep analysis of: yahoo.com.tw
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