Check that www.slb.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 slb.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1132
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			206471	IN	NS	b.root-servers.net.
.			206471	IN	NS	k.root-servers.net.
.			206471	IN	NS	g.root-servers.net.
.			206471	IN	NS	d.root-servers.net.
.			206471	IN	NS	i.root-servers.net.
.			206471	IN	NS	h.root-servers.net.
.			206471	IN	NS	m.root-servers.net.
.			206471	IN	NS	f.root-servers.net.
.			206471	IN	NS	j.root-servers.net.
.			206471	IN	NS	e.root-servers.net.
.			206471	IN	NS	l.root-servers.net.
.			206471	IN	NS	a.root-servers.net.
.			206471	IN	NS	c.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	75794	IN	A	198.41.0.4
a.root-servers.net.	75794	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	34058	IN	A	192.228.79.201
c.root-servers.net.	421842	IN	A	192.33.4.12
d.root-servers.net.	380191	IN	A	128.8.10.90
d.root-servers.net.	380191	IN	AAAA	2001:500:2d::d
e.root-servers.net.	31378	IN	A	192.203.230.10
f.root-servers.net.	76665	IN	A	192.5.5.241
f.root-servers.net.	381541	IN	AAAA	2001:500:2f::f
g.root-servers.net.	77329	IN	A	192.112.36.4
h.root-servers.net.	34367	IN	A	128.63.2.53
h.root-servers.net.	34367	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	75901	IN	A	192.36.148.17
i.root-servers.net.	75901	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 16:56:50 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1721
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;slb.com.			IN	SOA

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

;; ADDITIONAL SECTION:
a.gtld-servers.net.	172800	IN	A	192.5.6.30
a.gtld-servers.net.	172800	IN	AAAA	2001:503:a83e::2:30
b.gtld-servers.net.	172800	IN	A	192.33.14.30
b.gtld-servers.net.	172800	IN	AAAA	2001:503:231d::2:30
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

;; Query time: 196 msec
;; SERVER: 192.33.4.12#53(c.root-servers.net)
;; WHEN: Tue May 22 16:56:50 2012
;; MSG SIZE  rcvd: 497

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1437
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 3

;; QUESTION SECTION:
;slb.com.			IN	SOA

;; AUTHORITY SECTION:
slb.com.		172800	IN	NS	dnsserver1.slb.com.
slb.com.		172800	IN	NS	ns4.slb.net.
slb.com.		172800	IN	NS	ns3.slb.com.

;; ADDITIONAL SECTION:
dnsserver1.slb.com.	172800	IN	A	163.185.18.18
ns4.slb.net.		172800	IN	A	163.184.1.8
ns3.slb.com.		172800	IN	A	199.6.251.10

;; Query time: 345 msec
;; SERVER: 192.52.178.30#53(k.gtld-servers.net)
;; WHEN: Tue May 22 16:56:51 2012
;; MSG SIZE  rcvd: 141

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1445
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;slb.com.			IN	SOA

;; ANSWER SECTION:
slb.com.		10800	IN	SOA	ns3.slb.com. hostmaster.slb.com. 2177 14400 3600 2419200 900

;; Query time: 223 msec
;; SERVER: 199.6.251.10#53(ns3.slb.com)
;; WHEN: Tue May 22 16:56:51 2012
;; MSG SIZE  rcvd: 76

HTTP

Looking for CNAME of www.slb.com
Checking if there is a AAAA for www.slb.com ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.slb.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 727
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.slb.com.			IN	AAAA

;; AUTHORITY SECTION:
slb.com.		900	IN	SOA	ns3.slb.com. hostmaster.slb.com. 2177 14400 3600 2419200 900

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 16:56:52 2012
;; MSG SIZE  rcvd: 80

Checking other options ... failed too.

SMTP

MX 200 mail0.slb.com
Looking for AAAA on mail0.slb.com
MX 200 mail.messaging.microsoft.com
Looking for AAAA on mail.messaging.microsoft.com
MX 200 mail.global.frontbridge.com
Looking for AAAA on mail.global.frontbridge.com

DNS

Looking for AAAA of NS ns3.slb.com
No AAAA record for ns3.slb.com
Looking for AAAA of NS dnsserver1.slb.com
No AAAA record for dnsserver1.slb.com
Looking for AAAA of NS ns4.slb.net
No AAAA record for ns4.slb.net

NTP

Looking for an A record for ntp.slb.com
Looking for an A record for clock.slb.com
Looking for an A record for time.slb.com
Looking for an A record for chime.slb.com

XMPP

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

Last Updated: Tue May 22 07:26:54 2012 UTC