Name | TTL | Type | Data | Status | Returned by | |||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 | 305 | 305 | 305 | 305 | 96 | 168 | |||||||
Response time (ms) | OK | 110 | 129 | 291 | 303 | 156 | 276 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 |
Name | TTL | Type | Data | Status | Returned by | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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. (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 |