Check that www.iadb.org 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 iadb.org soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1790
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			338281	IN	NS	b.root-servers.net.
.			338281	IN	NS	e.root-servers.net.
.			338281	IN	NS	a.root-servers.net.
.			338281	IN	NS	l.root-servers.net.
.			338281	IN	NS	k.root-servers.net.
.			338281	IN	NS	f.root-servers.net.
.			338281	IN	NS	c.root-servers.net.
.			338281	IN	NS	d.root-servers.net.
.			338281	IN	NS	m.root-servers.net.
.			338281	IN	NS	h.root-servers.net.
.			338281	IN	NS	j.root-servers.net.
.			338281	IN	NS	g.root-servers.net.
.			338281	IN	NS	i.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	207604	IN	A	198.41.0.4
a.root-servers.net.	207604	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	165868	IN	A	192.228.79.201
c.root-servers.net.	553652	IN	A	192.33.4.12
d.root-servers.net.	512001	IN	A	128.8.10.90
d.root-servers.net.	512001	IN	AAAA	2001:500:2d::d
e.root-servers.net.	163188	IN	A	192.203.230.10
f.root-servers.net.	208475	IN	A	192.5.5.241
f.root-servers.net.	513351	IN	AAAA	2001:500:2f::f
g.root-servers.net.	209139	IN	A	192.112.36.4
h.root-servers.net.	166177	IN	A	128.63.2.53
h.root-servers.net.	166177	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	207711	IN	A	192.36.148.17
i.root-servers.net.	207711	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 04:20:00 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 148
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 12

;; QUESTION SECTION:
;iadb.org.			IN	SOA

;; AUTHORITY SECTION:
org.			172800	IN	NS	b0.org.afilias-nst.org.
org.			172800	IN	NS	c0.org.afilias-nst.info.
org.			172800	IN	NS	d0.org.afilias-nst.org.
org.			172800	IN	NS	a0.org.afilias-nst.info.
org.			172800	IN	NS	a2.org.afilias-nst.info.
org.			172800	IN	NS	b2.org.afilias-nst.org.

;; ADDITIONAL SECTION:
a0.org.afilias-nst.info. 172800	IN	A	199.19.56.1
a0.org.afilias-nst.info. 172800	IN	AAAA	2001:500:e::1
a2.org.afilias-nst.info. 172800	IN	A	199.249.112.1
a2.org.afilias-nst.info. 172800	IN	AAAA	2001:500:40::1
b0.org.afilias-nst.org.	172800	IN	A	199.19.54.1
b0.org.afilias-nst.org.	172800	IN	AAAA	2001:500:c::1
b2.org.afilias-nst.org.	172800	IN	A	199.249.120.1
b2.org.afilias-nst.org.	172800	IN	AAAA	2001:500:48::1
c0.org.afilias-nst.info. 172800	IN	A	199.19.53.1
c0.org.afilias-nst.info. 172800	IN	AAAA	2001:500:b::1
d0.org.afilias-nst.org.	172800	IN	A	199.19.57.1
d0.org.afilias-nst.org.	172800	IN	AAAA	2001:500:f::1

;; Query time: 186 msec
;; SERVER: 192.33.4.12#53(c.root-servers.net)
;; WHEN: Mon May 21 04:20:00 2012
;; MSG SIZE  rcvd: 428

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1961
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 5

;; QUESTION SECTION:
;iadb.org.			IN	SOA

;; AUTHORITY SECTION:
iadb.org.		86400	IN	NS	gate.iadb.org.
iadb.org.		86400	IN	NS	avila.iadb.org.
iadb.org.		86400	IN	NS	lugo.iadb.org.
iadb.org.		86400	IN	NS	quena.iadb.org.
iadb.org.		86400	IN	NS	bongo.iadb.org.

;; ADDITIONAL SECTION:
gate.iadb.org.		86400	IN	A	198.186.239.114
lugo.iadb.org.		86400	IN	A	198.186.239.14
avila.iadb.org.		86400	IN	A	198.186.239.15
bongo.iadb.org.		86400	IN	A	199.79.165.11
quena.iadb.org.		86400	IN	A	199.79.165.12

;; Query time: 293 msec
;; SERVER: 2001:500:b::1#53(c0.org.afilias-nst.info)
;; WHEN: Mon May 21 04:20:00 2012
;; MSG SIZE  rcvd: 204

HTTP

Looking for CNAME of www.iadb.org
Checking if there is a AAAA for www.iadb.org ... FAILED.


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

;; QUESTION SECTION:
;www.iadb.org.			IN	AAAA

;; AUTHORITY SECTION:
iadb.org.		900	IN	SOA	dns-hq.iadb.org. netadmin.iadb.org. 2011012385 10800 3600 2592000 900

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 04:20:02 2012
;; MSG SIZE  rcvd: 82

Checking other options ... failed too.

SMTP

MX 5 mx2.iadb.org
Looking for AAAA on mx2.iadb.org
MX 5 mx3.iadb.org
Looking for AAAA on mx3.iadb.org

DNS

Looking for AAAA of NS lugo.iadb.org
No AAAA record for lugo.iadb.org
Looking for AAAA of NS avila.iadb.org
No AAAA record for avila.iadb.org
Looking for AAAA of NS dns2.iadb.org
No AAAA record for dns2.iadb.org
Looking for AAAA of NS gate.iadb.org
No AAAA record for gate.iadb.org
Looking for AAAA of NS dns1.iadb.org
No AAAA record for dns1.iadb.org

NTP

Looking for an A record for ntp.iadb.org
Looking for an A record for clock.iadb.org
Looking for an A record for time.iadb.org
Looking for an A record for chime.iadb.org

XMPP

Looking for a SRV record for _xmpp-client._tcp.iadb.org
Found XMPP client jabber.iadb.org (5, 5222)
Trying to connect to 199.79.165.31 on 5222 ... Can't bind to port: IO::Socket::INET: connect: Connection timed out
No equivalent IPv6 service found.

Looking for a SRV record for _xmpp-server._tcp.iadb.org
Found XMPP server jabber.iadb.org (5, 5269)
Trying to connect to 199.79.165.31 on 5269 ... Can't bind to port: IO::Socket::INET: connect: Connection timed out
No equivalent IPv6 service found.

Last Updated: Sun May 20 18:57:37 2012 UTC