Check that www.dlsu.edu.ph 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 dlsu.edu.ph soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 349
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; AUTHORITY SECTION:
.			3600000	IN	NS	L.ROOT-SERVERS.NET.
.			3600000	IN	NS	A.ROOT-SERVERS.NET.
.			3600000	IN	NS	I.ROOT-SERVERS.NET.
.			3600000	IN	NS	E.ROOT-SERVERS.NET.
.			3600000	IN	NS	B.ROOT-SERVERS.NET.
.			3600000	IN	NS	C.ROOT-SERVERS.NET.
.			3600000	IN	NS	H.ROOT-SERVERS.NET.
.			3600000	IN	NS	G.ROOT-SERVERS.NET.
.			3600000	IN	NS	J.ROOT-SERVERS.NET.
.			3600000	IN	NS	K.ROOT-SERVERS.NET.
.			3600000	IN	NS	D.ROOT-SERVERS.NET.
.			3600000	IN	NS	M.ROOT-SERVERS.NET.
.			3600000	IN	NS	F.ROOT-SERVERS.NET.

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	438174	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	438174	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	396438	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	138832	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	135386	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	135386	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	393758	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	439045	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	134781	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	439709	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	396747	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	396747	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	438281	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	438281	IN	AAAA	2001:7fe::53

;; Query time: 8 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 12:17:10 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1681
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 10

;; QUESTION SECTION:
;dlsu.edu.ph.			IN	SOA

;; AUTHORITY SECTION:
ph.			172800	IN	NS	ph.cctld.authdns.ripe.net.
ph.			172800	IN	NS	ph.communitydns.net.
ph.			172800	IN	NS	ns1.domains.ph.
ph.			172800	IN	NS	ns2.cuhk.edu.hk.
ph.			172800	IN	NS	sec4.apnic.net.
ph.			172800	IN	NS	sns-pb.isc.org.

;; ADDITIONAL SECTION:
ph.cctld.authdns.ripe.net. 172800 IN	A	193.0.9.104
ph.communitydns.net.	172800	IN	A	194.0.1.23
ns1.domains.ph.		172800	IN	A	203.119.6.78
ns2.cuhk.edu.hk.	172800	IN	A	137.189.6.21
sec4.apnic.net.		172800	IN	A	202.12.31.141
sns-pb.isc.org.		172800	IN	A	192.5.4.1
ph.cctld.authdns.ripe.net. 172800 IN	AAAA	2001:67c:e0::104
ns2.cuhk.edu.hk.	172800	IN	AAAA	2405:3000:3:60::21
sec4.apnic.net.		172800	IN	AAAA	2001:dc0:4001:1:0:1836:0:141
sns-pb.isc.org.		172800	IN	AAAA	2001:500:2e::1

;; Query time: 24 msec
;; SERVER: 2001:500:3::42#53(L.ROOT-SERVERS.NET)
;; WHEN: Fri May 18 12:17:10 2012
;; MSG SIZE  rcvd: 414

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 630
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 0

;; QUESTION SECTION:
;dlsu.edu.ph.			IN	SOA

;; AUTHORITY SECTION:
edu.ph.			86400	IN	NS	gomez.ph.net.
edu.ph.			86400	IN	NS	gabriela.ph.net.
edu.ph.			86400	IN	NS	ns.skyinet.net.

;; Query time: 170 msec
;; SERVER: 203.119.6.78#53(ns1.domains.ph)
;; WHEN: Fri May 18 12:17:10 2012
;; MSG SIZE  rcvd: 103

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1004
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;dlsu.edu.ph.			IN	SOA

;; AUTHORITY SECTION:
dlsu.edu.ph.		86400	IN	NS	alpha1.dlsu.edu.ph.
dlsu.edu.ph.		86400	IN	NS	vax1.dlsu.edu.ph.

;; ADDITIONAL SECTION:
vax1.dlsu.edu.ph.	86400	IN	A	202.57.58.2
alpha1.dlsu.edu.ph.	86400	IN	A	202.57.58.1

;; Query time: 245 msec
;; SERVER: 165.220.3.7#53(gabriela.ph.net)
;; WHEN: Fri May 18 12:17:10 2012
;; MSG SIZE  rcvd: 101

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1116
;; flags: qr aa ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; QUESTION SECTION:
;dlsu.edu.ph.			IN	SOA

;; ANSWER SECTION:
dlsu.edu.ph.		3600	IN	SOA	alpha1.dlsu.edu.ph. hostmaster.dlsu.edu.ph. 2008031173 900 600 86400 3600

;; ADDITIONAL SECTION:
alpha1.dlsu.edu.ph.	3600	IN	A	202.57.58.1

;; Query time: 139 msec
;; SERVER: 202.57.58.1#53(alpha1.dlsu.edu.ph)
;; WHEN: Fri May 18 12:17:11 2012
;; MSG SIZE  rcvd: 99

HTTP

Looking for CNAME of www.dlsu.edu.ph
Checking if there is a AAAA for www.dlsu.edu.ph ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.dlsu.edu.ph aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 867
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.dlsu.edu.ph.		IN	AAAA

;; AUTHORITY SECTION:
dlsu.edu.ph.		3600	IN	SOA	alpha1.dlsu.edu.ph. hostmaster.dlsu.edu.ph. 2008031173 900 600 86400 3600

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 12:17:12 2012
;; MSG SIZE  rcvd: 87

Checking other options ... failed too.

SMTP

MX 10 alpha2.dlsu.edu.ph
Looking for AAAA on alpha2.dlsu.edu.ph

DNS

Looking for AAAA of NS alpha1.dlsu.edu.ph
No AAAA record for alpha1.dlsu.edu.ph
Looking for AAAA of NS vax1.dlsu.edu.ph
No AAAA record for vax1.dlsu.edu.ph

NTP

Looking for an A record for ntp.dlsu.edu.ph
Looking for an A record for clock.dlsu.edu.ph
Looking for an A record for time.dlsu.edu.ph
Looking for an A record for chime.dlsu.edu.ph

XMPP

Looking for a SRV record for _xmpp-client._tcp.dlsu.edu.ph
Looking for a SRV record for _xmpp-server._tcp.dlsu.edu.ph

Last Updated: Fri May 18 02:47:14 2012 UTC