Check that www.dyn.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 dyn.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 424
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			18881	IN	NS	m.root-servers.net.
.			18881	IN	NS	f.root-servers.net.
.			18881	IN	NS	j.root-servers.net.
.			18881	IN	NS	b.root-servers.net.
.			18881	IN	NS	i.root-servers.net.
.			18881	IN	NS	l.root-servers.net.
.			18881	IN	NS	g.root-servers.net.
.			18881	IN	NS	k.root-servers.net.
.			18881	IN	NS	a.root-servers.net.
.			18881	IN	NS	d.root-servers.net.
.			18881	IN	NS	c.root-servers.net.
.			18881	IN	NS	h.root-servers.net.
.			18881	IN	NS	e.root-servers.net.

;; ADDITIONAL SECTION:
k.root-servers.net.	508399	IN	A	193.0.14.129
k.root-servers.net.	508399	IN	AAAA	2001:7fd::1
a.root-servers.net.	506873	IN	A	198.41.0.4
a.root-servers.net.	506873	IN	AAAA	2001:503:ba3e::2:30
c.root-servers.net.	207531	IN	A	192.33.4.12
d.root-servers.net.	204085	IN	A	128.8.10.90
d.root-servers.net.	204085	IN	AAAA	2001:500:2d::d
j.root-servers.net.	119143	IN	A	192.58.128.30
j.root-servers.net.	119143	IN	AAAA	2001:503:c27::2:30
b.root-servers.net.	465137	IN	A	192.228.79.201
e.root-servers.net.	462457	IN	A	192.203.230.10
i.root-servers.net.	506980	IN	A	192.36.148.17
i.root-servers.net.	506980	IN	AAAA	2001:7fe::53
f.root-servers.net.	507744	IN	A	192.5.5.241

;; Query time: 8 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu May 17 17:12:11 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 757
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

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

;; AUTHORITY SECTION:
com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	g.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	m.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: 25 msec
;; SERVER: 2001:500:3::42#53(l.root-servers.net)
;; WHEN: Thu May 17 17:12:11 2012
;; MSG SIZE  rcvd: 485

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1066
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 4

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

;; AUTHORITY SECTION:
dyn.com.		172800	IN	NS	ns1.p01.dynect.net.
dyn.com.		172800	IN	NS	ns3.p01.dynect.net.
dyn.com.		172800	IN	NS	ns2.p01.dynect.net.
dyn.com.		172800	IN	NS	ns4.p01.dynect.net.

;; ADDITIONAL SECTION:
ns1.p01.dynect.net.	172800	IN	A	208.78.70.1
ns3.p01.dynect.net.	172800	IN	A	208.78.71.1
ns2.p01.dynect.net.	172800	IN	A	204.13.250.1
ns4.p01.dynect.net.	172800	IN	A	204.13.251.1

;; Query time: 133 msec
;; SERVER: 2001:503:231d::2:30#53(b.gtld-servers.net)
;; WHEN: Thu May 17 17:12:11 2012
;; MSG SIZE  rcvd: 175

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1894
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 0

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

;; ANSWER SECTION:
dyn.com.		3600	IN	SOA	ns1.p01.dynect.net. hostmaster.dyndns.com. 77 3600 600 604800 60

;; AUTHORITY SECTION:
dyn.com.		86400	IN	NS	ns1.p01.dynect.net.
dyn.com.		86400	IN	NS	ns2.p01.dynect.net.
dyn.com.		86400	IN	NS	ns4.p01.dynect.net.
dyn.com.		86400	IN	NS	ns3.p01.dynect.net.

;; Query time: 21 msec
;; SERVER: 2001:500:94:1::1#53(ns3.p01.dynect.net)
;; WHEN: Thu May 17 17:12:11 2012
;; MSG SIZE  rcvd: 165

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.dyn.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1087
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
dyn.com.		60	IN	SOA	ns1.p01.dynect.net. hostmaster.dyndns.com. 77 3600 600 604800 60

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu May 17 17:12:11 2012
;; MSG SIZE  rcvd: 101

Checking other options ... failed too.

SMTP

MX 10 zmta-01-mht.dyndns.com
Looking for AAAA on zmta-01-mht.dyndns.com
MX 10 mx2.mailhop.org
Looking for AAAA on mx2.mailhop.org

DNS

Looking for AAAA of NS ns4.p01.dynect.net
No AAAA record for ns4.p01.dynect.net
Looking for AAAA of NS ns1.p01.dynect.net
Querying 2001:500:90:1:0:0:0:1 for SOA of dyn.com over IPv6 ... successful!
Looking for AAAA of NS ns3.p01.dynect.net
Querying 2001:500:94:1:0:0:0:1 for SOA of dyn.com over IPv6 ... successful!
Looking for AAAA of NS ns2.p01.dynect.net
No AAAA record for ns2.p01.dynect.net

NTP

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

XMPP

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

Last Updated: Thu May 17 07:42:12 2012 UTC