Check that www.byu.edu 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 byu.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 740
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

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

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	480177	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	480177	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	438441	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	180835	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	177389	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	177389	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	435761	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	481048	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	176784	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	481712	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	438750	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	438750	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	480284	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	480284	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 00:37:07 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1500
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

;; QUESTION SECTION:
;byu.edu.			IN	SOA

;; AUTHORITY SECTION:
edu.			172800	IN	NS	a.edu-servers.net.
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	d.edu-servers.net.
edu.			172800	IN	NS	f.edu-servers.net.
edu.			172800	IN	NS	g.edu-servers.net.
edu.			172800	IN	NS	l.edu-servers.net.

;; ADDITIONAL SECTION:
a.edu-servers.net.	172800	IN	A	192.5.6.30
c.edu-servers.net.	172800	IN	A	192.26.92.30
d.edu-servers.net.	172800	IN	A	192.31.80.30
f.edu-servers.net.	172800	IN	A	192.35.51.30
g.edu-servers.net.	172800	IN	A	192.42.93.30
l.edu-servers.net.	172800	IN	A	192.41.162.30
g.edu-servers.net.	172800	IN	AAAA	2001:503:cc2c::2:36

;; Query time: 37 msec
;; SERVER: 2001:7fd::1#53(K.ROOT-SERVERS.NET)
;; WHEN: Fri May 18 00:37:07 2012
;; MSG SIZE  rcvd: 260

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 369
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 3

;; QUESTION SECTION:
;byu.edu.			IN	SOA

;; AUTHORITY SECTION:
byu.edu.		172800	IN	NS	edns1.byu.edu.
byu.edu.		172800	IN	NS	edns2.byu.edu.
byu.edu.		172800	IN	NS	edns3.byu.edu.

;; ADDITIONAL SECTION:
edns1.byu.edu.		172800	IN	A	128.187.223.235
edns2.byu.edu.		172800	IN	A	128.187.223.243
edns3.byu.edu.		172800	IN	A	157.201.130.110

;; Query time: 246 msec
;; SERVER: 192.5.6.30#53(a.edu-servers.net)
;; WHEN: Fri May 18 00:37:07 2012
;; MSG SIZE  rcvd: 133

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1619
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;byu.edu.			IN	SOA

;; ANSWER SECTION:
byu.edu.		7200	IN	SOA	EDNS1.byu.edu. dnsmaster.byu.edu. 24532218 1801 900 604800 7200

;; Query time: 194 msec
;; SERVER: 128.187.223.235#53(edns1.byu.edu)
;; WHEN: Fri May 18 00:37:08 2012
;; MSG SIZE  rcvd: 77

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.byu.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 408
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.byu.edu.			IN	AAAA

;; ANSWER SECTION:
www.byu.edu.		319	IN	CNAME	interceptor.byu.edu.

;; AUTHORITY SECTION:
byu.edu.		320	IN	SOA	EDNS1.byu.edu. dnsmaster.byu.edu. 24530941 1801 900 604800 7200

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 00:37:08 2012
;; MSG SIZE  rcvd: 107

Checking other options ... failed too.

SMTP

MX 5 geiger.byu.edu
Looking for AAAA on geiger.byu.edu
MX 5 gypsy.byu.edu
Looking for AAAA on gypsy.byu.edu
MX 5 gridley.byu.edu
Looking for AAAA on gridley.byu.edu
MX 5 gatling.byu.edu
Looking for AAAA on gatling.byu.edu
MX 5 gato.byu.edu
Looking for AAAA on gato.byu.edu
MX 5 farkus1.byu.edu
Looking for AAAA on farkus1.byu.edu
MX 5 farkus2.byu.edu
Looking for AAAA on farkus2.byu.edu
MX 5 farkus3.byu.edu
Looking for AAAA on farkus3.byu.edu

DNS

Looking for AAAA of NS EDNS1.byu.edu
No AAAA record for EDNS1.byu.edu
Looking for AAAA of NS EDNS2.byu.edu
No AAAA record for EDNS2.byu.edu
Looking for AAAA of NS EDNS3.byu.edu
No AAAA record for EDNS3.byu.edu

NTP

Looking for an A record for ntp.byu.edu
Looking for an A record for clock.byu.edu
Looking for an A record for time.byu.edu
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for time.byu.edu
Cannot find a AAAA record for time.ipv6.byu.edu

XMPP

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

Last Updated: Thu May 17 15:07:08 2012 UTC