columbia.edu | DNSViz

columbia.edu

Updated: 2024-07-06 14:43:52 UTC (141 days ago) Go to most recent »

DNS Server Responses

Responses for columbia.edu/DS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	a.edu-servers.net. (192.5.6.30)	a.edu-servers.net. (2001:503:a83e::2:30)	b.edu-servers.net. (192.33.14.30)	b.edu-servers.net. (2001:503:231d::2:30)	c.edu-servers.net. (192.26.92.30)	c.edu-servers.net. (2001:503:83eb::30)	d.edu-servers.net. (192.31.80.30)	d.edu-servers.net. (2001:500:856e::30)	e.edu-servers.net. (192.12.94.30)	e.edu-servers.net. (2001:502:1ca1::30)	f.edu-servers.net. (192.35.51.30)	f.edu-servers.net. (2001:503:d414::30)	g.edu-servers.net. (192.42.93.30)	g.edu-servers.net. (2001:503:eea3::30)	h.edu-servers.net. (192.54.112.30)	h.edu-servers.net. (2001:502:8cc::30)	i.edu-servers.net. (192.43.172.30)	i.edu-servers.net. (2001:503:39c1::30)	j.edu-servers.net. (192.48.79.30)	j.edu-servers.net. (2001:502:7094::30)	k.edu-servers.net. (192.52.178.30)	k.edu-servers.net. (2001:503:d2d::30)	l.edu-servers.net. (192.41.162.30)	l.edu-servers.net. (2001:500:d937::30)	m.edu-servers.net. (192.55.83.30)	m.edu-servers.net. (2001:501:b1f9::30)
RR count (Answer/Authority/Additional)				OK	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1
Response size (bytes)				OK	585	585	587	587	585	585	585	585	585	585	585	585	585	585	585	585	585	585	585	585	585	585	585	585	585	585
Response time (ms)				OK	134	135	84	84	134	131	135	132	134	135	93	94	94	94	94	93	94	94	83	90	89	89	89	85	90	86

Responses for columbia.edu/DNSKEY

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
RR count (Answer/Authority/Additional)				OK		0/1/1	0/1/1		0/1/1		0/1/1		0/1/1	0/1/1
Response size (bytes)				OK		124	124		124		124		124	96
Response time (ms)				OK		82	82		198		220		116	177

Responses for columbia.edu/NS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
columbia.edu	3600	NS	ns1.lse.ac.uk. auth1.dns.cogentco.com. auth2.dns.cogentco.com. auth4.dns.cogentco.com. auth5.dns.cogentco.com. ext-ns1.columbia.edu.	OK		Y	Y		Y		Y		Y	Y
RR count (Answer/Authority/Additional)				OK		6/0/4	6/0/4		6/0/4		6/0/4		6/0/1	6/0/5
Response size (bytes)				OK		286	286		286		286		214	274
Response time (ms)				OK		12	12		150		156		67	135

Responses for columbia.edu/NS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
columbia.edu	3600	NS	ns1.lse.ac.uk. auth1.dns.cogentco.com. auth2.dns.cogentco.com. auth4.dns.cogentco.com. auth5.dns.cogentco.com. ext-ns1.columbia.edu.	OK		Y	Y		Y		Y		Y	Y
RR count (Answer/Authority/Additional)				OK		6/0/4	6/0/4		6/0/4		6/0/4		6/0/1	6/0/5
Response size (bytes)				OK		286	286		286		286		214	274
Response time (ms)				OK		12	12		150		156		67	135

Responses for columbia.edu/MX

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
columbia.edu	3600	MX	10 mxa-00364e01.gslb.pphosted.com. 10 mxb-00364e01.gslb.pphosted.com.	OK		Y	Y		Y		Y		Y	Y
RR count (Answer/Authority/Additional)				OK		2/0/1	2/0/1		2/0/1		2/0/1		2/0/1	2/0/1
Response size (bytes)				OK		144	144		144		144		144	116
Response time (ms)				OK		69	70		213		213		117	187

Responses for qybgk.n5fr9.columbia.edu/A

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
RR count (Answer/Authority/Additional)				OK		0/1/1	0/1/1		0/1/1		0/1/1		0/1/1	0/1/1
Response size (bytes)				OK		148	148		148		148		136	120
Response time (ms)				OK		50	58		184		185		77	143

Responses for columbia.edu/CNAME

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
RR count (Answer/Authority/Additional)				OK		0/1/1	0/1/1		0/1/1		0/1/1		0/1/1	0/1/1
Response size (bytes)				OK		124	124		124		124		124	96
Response time (ms)				OK		67	68		211		212		112	176

Responses for columbia.edu/CDS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
RR count (Answer/Authority/Additional)				OK		0/1/1	0/1/1		0/1/1		0/1/1		0/1/1	0/1/1
Response size (bytes)				OK		124	124		124		124		124	96
Response time (ms)				OK		68	68		197		211		112	176

Responses for columbia.edu/TXT

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
columbia.edu	3600	TXT	"MS=ms32107722" "MS=ms88535648" "MS=ms94259742" "rm_verify=cf192bfd71" "wpe-verification=cssrsprod" "wpe-verification=ncdpcolumbia" "ZOOM_verify_H76gKGnfTfSjo0uBs3ATpw" "ZOOM_verify_ZJlClnqsRTqo4L8EQGaPDg" "ZOOM_verify__tMWR0IkQ5mSUFNi7PT0-A" "ZOOM_verify_aIBp_UI9RA-_nAc54T9CiA" "ZOOM_verify_ohdpGstzTlO2gNsWqnSiHQ" "ca3-018df5b7d38b415fbe9c920d89e3e815" "ca3-154a83c0e9b44fa094af06b7a8c9f489" "apple-domain-verification=6W1ObUreaMieGziS" "docusign=abbafadf-a495-4889-935f-5fdac37be903" "docusign=f8b82e15-b287-46b9-9729-a7436d71c422" "fastly-domain-delegation-columbia-323594-2020-12-07" "fastly-domain-delegation-UzZdOKwpsuzDObCLhWK0-12292020" "openai-domain-verification=dv-coLwtcZeuA8rWCUFNhz21TTz" "google-site-verification=6m_FjnmBT3E6N2cHMf6NxPjSVoWbq4IcRYNlAKT1Dzw" "google-site-verification=79W02b1NsvPOhVkXxG5gXzAXuxuYquPTXmx_l6KfRok" "google-site-verification=B93x40FIZF4LI-5cayepjvuwU8ZodIQ09zIDG1gHtIc" "intersight=f68fd98601fae5dcfd60cd38f9df964367f5e3ebe94f0cc148eec13f7e11d7e6" "adobe-idp-site-verification=c4c82a5f2bf3cc3ee4ad2ee246c28e17ead150faf152556bc9ca5c068762b827" "atlassian-domain-verification=TGY4izz2FIXsrTR48IJgpJMfixggF0xpHJ4TC91Ii5DqZYvIR3zflZ1zbdDNI3NN" "v=spf1 ip4:128.59.72.0/24 ip4:207.10.139.0/24 ip4:148.163.139.74 ip4:148.163.135.74 include:_spf.google.com include:spf-00364e02.pphosted.com include:spf.protection.outlook.com ~all"	OK		Y	Y		Y		Y		Y	Y
RR count (Answer/Authority/Additional)				OK		26/6/4	26/6/4		26/6/4		26/6/4		26/0/1	26/0/1
Response size (bytes)				OK		1918	1918		1918		1918		1701	1673
Response time (ms)				OK		31	33		298		306		140	187

Responses for columbia.edu/SOA

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
columbia.edu	3600	SOA	ext-ns1.columbia.edu. hostmaster.columbia.edu. 84804 3600 1800 2419200 300	OK		Y	Y		Y		Y		Y	Y
RR count (Answer/Authority/Additional)				OK		1/6/4	1/6/4		1/6/4		1/6/4		1/0/1	1/0/4
Response size (bytes)				OK		345	345		345		345		124	168
Response time (ms)				OK		88	97		201		180		76	177

Responses for columbia.edu/NSEC3PARAM

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
RR count (Answer/Authority/Additional)				OK		0/1/1	0/1/1		0/1/1		0/1/1		0/1/1	0/1/1
Response size (bytes)				OK		124	124		124		124		124	96
Response time (ms)				OK		78	99		218		218		113	176

Responses for columbia.edu/CDNSKEY

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
RR count (Answer/Authority/Additional)				OK		0/1/1	0/1/1		0/1/1		0/1/1		0/1/1	0/1/1
Response size (bytes)				OK		124	124		124		124		124	96
Response time (ms)				OK		81	81		219		219		115	176

Responses for columbia.edu/A

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
columbia.edu	3600	A	162.159.128.65 162.159.138.64	OK		Y	Y		Y		Y		Y	Y
RR count (Answer/Authority/Additional)				OK		2/6/4	2/6/4		2/6/4		2/6/4		2/0/1	2/0/1
Response size (bytes)				OK		318	318		318		318		101	73
Response time (ms)				OK		16	13		142		158		67	200

Responses for columbia.edu/AAAA

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	ext-ns1.columbia.edu. (128.59.1.1)	ns1.lse.ac.uk. (158.143.96.8)
RR count (Answer/Authority/Additional)				OK		0/1/1	0/1/1		0/1/1		0/1/1		0/1/1	0/1/1
Response size (bytes)				OK		124	124		124		124		124	96
Response time (ms)				OK		61	51		160		185		77	149