columbia.edu | DNSViz

columbia.edu

Updated: 2024-10-16 16:13:02 UTC (36 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	98	56	51	46	97	97	56	94	98	55	70	55	29	55	72	55	55	29	51	9	51	9	48	51	9	48

Responses for columbia.edu/DNSKEY

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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	93		69			213		213	112	194

Responses for columbia.edu/NS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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		15			146		151	63	128

Responses for columbia.edu/NS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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		15			146		151	63	128

Responses for columbia.edu/MX

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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	110		127			252		252	162	223

Responses for columbia.edu/CNAME

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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	109		109			251		251	163	223

Responses for columbia.edu/CDS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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	108		109			251		251	157	222

Responses for columbia.edu/TXT

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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 include:cust-spf.exacttarget.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	1950		1950			1950		1950	1733	1705
Response time (ms)				OK	43		31			283		299	135	187

Responses for hymrp.mq5g0.columbia.edu/A

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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	129		69			252		210	118	187

Responses for columbia.edu/SOA

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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. 86603 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	69		95			218		220	112	193

Responses for columbia.edu/NSEC3PARAM

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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	69		90			210		228	111	194

Responses for columbia.edu/CDNSKEY

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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		92			213		228	118	194

Responses for columbia.edu/A

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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	17		14			143		167	67	128

Responses for columbia.edu/AAAA

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	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	56		30			178		182	72	150