Check that www.mayo.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 mayo.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1189
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			262692	IN	NS	i.root-servers.net.
.			262692	IN	NS	m.root-servers.net.
.			262692	IN	NS	c.root-servers.net.
.			262692	IN	NS	g.root-servers.net.
.			262692	IN	NS	f.root-servers.net.
.			262692	IN	NS	j.root-servers.net.
.			262692	IN	NS	h.root-servers.net.
.			262692	IN	NS	b.root-servers.net.
.			262692	IN	NS	k.root-servers.net.
.			262692	IN	NS	d.root-servers.net.
.			262692	IN	NS	e.root-servers.net.
.			262692	IN	NS	a.root-servers.net.
.			262692	IN	NS	l.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	132015	IN	A	198.41.0.4
a.root-servers.net.	132015	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	90279	IN	A	192.228.79.201
c.root-servers.net.	478063	IN	A	192.33.4.12
d.root-servers.net.	436412	IN	A	128.8.10.90
d.root-servers.net.	436412	IN	AAAA	2001:500:2d::d
e.root-servers.net.	87599	IN	A	192.203.230.10
f.root-servers.net.	132886	IN	A	192.5.5.241
f.root-servers.net.	437762	IN	AAAA	2001:500:2f::f
g.root-servers.net.	133550	IN	A	192.112.36.4
h.root-servers.net.	90588	IN	A	128.63.2.53
h.root-servers.net.	90588	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	132122	IN	A	192.36.148.17
i.root-servers.net.	132122	IN	AAAA	2001:7fe::53

;; Query time: 8 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 01:19:49 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 662
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

;; QUESTION SECTION:
;mayo.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: 248 msec
;; SERVER: 2001:500:1::803f:235#53(h.root-servers.net)
;; WHEN: Tue May 22 01:19:50 2012
;; MSG SIZE  rcvd: 264

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1025
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

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

;; AUTHORITY SECTION:
mayo.edu.		172800	IN	NS	dns1.mayo.edu.
mayo.edu.		172800	IN	NS	dns2.mayo.edu.

;; ADDITIONAL SECTION:
dns1.mayo.edu.		172800	IN	A	129.176.209.100
dns2.mayo.edu.		172800	IN	A	129.176.217.100

;; Query time: 132 msec
;; SERVER: 2001:503:cc2c::2:36#53(g.edu-servers.net)
;; WHEN: Tue May 22 01:19:50 2012
;; MSG SIZE  rcvd: 96

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1010
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

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

;; ANSWER SECTION:
mayo.edu.		28800	IN	SOA	infra-name4.mayo.edu. noc.mayo.edu. 43646863 1200 180 2592000 900

;; Query time: 228 msec
;; SERVER: 129.176.217.100#53(dns2.mayo.edu)
;; WHEN: Tue May 22 01:19:50 2012
;; MSG SIZE  rcvd: 78

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.mayo.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 784
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
mayo.edu.		900	IN	SOA	infra-name4.mayo.edu. noc.mayo.edu. 43646841 1200 180 2592000 900

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 01:19:51 2012
;; MSG SIZE  rcvd: 82

Checking other options ... failed too.

SMTP

MX 10 mail8.mayo.edu
Looking for AAAA on mail8.mayo.edu
MX 10 mail7.mayo.edu
Looking for AAAA on mail7.mayo.edu
MX 10 mail9.mayo.edu
Looking for AAAA on mail9.mayo.edu

DNS

Looking for AAAA of NS dns2.mayo.edu
No AAAA record for dns2.mayo.edu
Looking for AAAA of NS dns1.mayo.edu
No AAAA record for dns1.mayo.edu

NTP

Looking for an A record for ntp.mayo.edu
Looking for an A record for clock.mayo.edu
Looking for an A record for time.mayo.edu
Looking for an A record for chime.mayo.edu

XMPP

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

Last Updated: Mon May 21 15:49:56 2012 UTC