Check that www.yahoo-inc.com exists for IPv4 in case we have a typo on the domain name. Use dig to query the local name server (::1).


; <<>> DiG 9.4.1-P1 <<>> +trace +all yahoo-inc.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2006
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			124223	IN	NS	i.root-servers.net.
.			124223	IN	NS	j.root-servers.net.
.			124223	IN	NS	d.root-servers.net.
.			124223	IN	NS	e.root-servers.net.
.			124223	IN	NS	c.root-servers.net.
.			124223	IN	NS	f.root-servers.net.
.			124223	IN	NS	g.root-servers.net.
.			124223	IN	NS	h.root-servers.net.
.			124223	IN	NS	a.root-servers.net.
.			124223	IN	NS	l.root-servers.net.
.			124223	IN	NS	m.root-servers.net.
.			124223	IN	NS	b.root-servers.net.
.			124223	IN	NS	k.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	512818	IN	A	198.41.0.4
a.root-servers.net.	512818	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	470211	IN	A	192.228.79.201
c.root-servers.net.	339594	IN	A	192.33.4.12
d.root-servers.net.	297943	IN	A	128.8.10.90
d.root-servers.net.	297943	IN	AAAA	2001:500:2d::d
e.root-servers.net.	470211	IN	A	192.203.230.10
f.root-servers.net.	512818	IN	A	192.5.5.241
f.root-servers.net.	299293	IN	AAAA	2001:500:2f::f
g.root-servers.net.	513489	IN	A	192.112.36.4
h.root-servers.net.	512818	IN	A	128.63.2.53
h.root-servers.net.	512818	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	512818	IN	A	192.36.148.17
i.root-servers.net.	512818	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 15:47:38 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1497
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;yahoo-inc.com.			IN	SOA

;; AUTHORITY SECTION:
com.			172800	IN	NS	m.gtld-servers.net.
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	g.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.

;; ADDITIONAL SECTION:
a.gtld-servers.net.	172800	IN	A	192.5.6.30
b.gtld-servers.net.	172800	IN	A	192.33.14.30
c.gtld-servers.net.	172800	IN	A	192.26.92.30
d.gtld-servers.net.	172800	IN	A	192.31.80.30
e.gtld-servers.net.	172800	IN	A	192.12.94.30
f.gtld-servers.net.	172800	IN	A	192.35.51.30
g.gtld-servers.net.	172800	IN	A	192.42.93.30
h.gtld-servers.net.	172800	IN	A	192.54.112.30
i.gtld-servers.net.	172800	IN	A	192.43.172.30
j.gtld-servers.net.	172800	IN	A	192.48.79.30
k.gtld-servers.net.	172800	IN	A	192.52.178.30
l.gtld-servers.net.	172800	IN	A	192.41.162.30
m.gtld-servers.net.	172800	IN	A	192.55.83.30
a.gtld-servers.net.	172800	IN	AAAA	2001:503:a83e::2:30

;; Query time: 126 msec
;; SERVER: 2001:dc3::35#53(m.root-servers.net)
;; WHEN: Wed May 23 15:47:38 2012
;; MSG SIZE  rcvd: 491

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 859
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 5

;; QUESTION SECTION:
;yahoo-inc.com.			IN	SOA

;; AUTHORITY SECTION:
yahoo-inc.com.		172800	IN	NS	ns1.yahoo.com.
yahoo-inc.com.		172800	IN	NS	ns5.yahoo.com.
yahoo-inc.com.		172800	IN	NS	ns2.yahoo.com.
yahoo-inc.com.		172800	IN	NS	ns3.yahoo.com.
yahoo-inc.com.		172800	IN	NS	ns4.yahoo.com.

;; ADDITIONAL SECTION:
ns1.yahoo.com.		172800	IN	A	68.180.131.16
ns5.yahoo.com.		172800	IN	A	119.160.247.124
ns2.yahoo.com.		172800	IN	A	68.142.255.16
ns3.yahoo.com.		172800	IN	A	121.101.152.99
ns4.yahoo.com.		172800	IN	A	68.142.196.63

;; Query time: 237 msec
;; SERVER: 192.31.80.30#53(d.gtld-servers.net)
;; WHEN: Wed May 23 15:47:38 2012
;; MSG SIZE  rcvd: 207

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 903
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 5

;; QUESTION SECTION:
;yahoo-inc.com.			IN	SOA

;; ANSWER SECTION:
yahoo-inc.com.		21600	IN	SOA	hidden-master.yahoo.com. hostmaster.yahoo-inc.com. 2012050100 3600 900 604800 600

;; AUTHORITY SECTION:
yahoo-inc.com.		172800	IN	NS	ns4.yahoo.com.
yahoo-inc.com.		172800	IN	NS	ns5.yahoo.com.
yahoo-inc.com.		172800	IN	NS	ns3.yahoo.com.
yahoo-inc.com.		172800	IN	NS	ns2.yahoo.com.
yahoo-inc.com.		172800	IN	NS	ns1.yahoo.com.

;; ADDITIONAL SECTION:
ns1.yahoo.com.		172800	IN	A	68.180.131.16
ns2.yahoo.com.		172800	IN	A	68.142.255.16
ns3.yahoo.com.		172800	IN	A	121.101.152.99
ns4.yahoo.com.		172800	IN	A	68.142.196.63
ns5.yahoo.com.		172800	IN	A	119.160.247.124

;; Query time: 211 msec
;; SERVER: 68.142.196.63#53(ns4.yahoo.com)
;; WHEN: Wed May 23 15:47:39 2012
;; MSG SIZE  rcvd: 268

HTTP

Looking for CNAME of www.yahoo-inc.com
Checking if there is a AAAA for www.yahoo-inc.com ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.yahoo-inc.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 678
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.yahoo-inc.com.		IN	AAAA

;; ANSWER SECTION:
www.yahoo-inc.com.	21599	IN	CNAME	rc.yahoo.com.
rc.yahoo.com.		299	IN	CNAME	rc.g01.yahoodns.net.
rc.g01.yahoodns.net.	300	IN	CNAME	sg-rc.g01.yahoodns.net.

;; AUTHORITY SECTION:
g01.yahoodns.net.	30	IN	SOA	yf1.yahoo.com. hostmaster.yahoo-inc.com. 1337753860 30 30 86400 1800

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 15:47:40 2012
;; MSG SIZE  rcvd: 162

Checking other options ... failed too.

SMTP

MX 5 mrin3.yahoo.com
Looking for AAAA on mrin3.yahoo.com
MX 5 mrin4.corp.yahoo.com
Looking for AAAA on mrin4.corp.yahoo.com
MX 5 mrin1-b.corp.bf1.yahoo.com
Looking for AAAA on mrin1-b.corp.bf1.yahoo.com
MX 5 mrin2-b.corp.bf1.yahoo.com
Looking for AAAA on mrin2-b.corp.bf1.yahoo.com
MX 5 mrin3-b.corp.bf1.yahoo.com
Looking for AAAA on mrin3-b.corp.bf1.yahoo.com
MX 5 mrin4-b.corp.bf1.yahoo.com
Looking for AAAA on mrin4-b.corp.bf1.yahoo.com
MX 5 mrin1.yahoo.com
Looking for AAAA on mrin1.yahoo.com
MX 5 mrin2.yahoo.com
Looking for AAAA on mrin2.yahoo.com

DNS

Looking for AAAA of NS ns4.yahoo.com
No AAAA record for ns4.yahoo.com
Looking for AAAA of NS ns3.yahoo.com
No AAAA record for ns3.yahoo.com
Looking for AAAA of NS ns2.yahoo.com
No AAAA record for ns2.yahoo.com
Looking for AAAA of NS ns1.yahoo.com
No AAAA record for ns1.yahoo.com
Looking for AAAA of NS ns5.yahoo.com
No AAAA record for ns5.yahoo.com

NTP

Looking for an A record for ntp.yahoo-inc.com
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for ntp.yahoo-inc.com
Cannot find a AAAA record for ntp.ipv6.yahoo-inc.com

XMPP

Looking for a SRV record for _xmpp-client._tcp.yahoo-inc.com
Looking for a SRV record for _xmpp-server._tcp.yahoo-inc.com

Last Updated: Wed May 23 06:17:44 2012 UTC