columbia.edu
Updated:
2022-02-21 13:58:49 UTC (1005 days ago)
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DNS Server Responses
Responses for columbia.edu/DS
| 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 | 873 | 873 | 875 | 875 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | |||
| Response time (ms) | OK | 39 | 40 | 4 | 5 | 40 | 39 | 40 | 37 | 39 | 40 | 12 | 15 | 14 | 15 | 14 | 12 | 36 | 15 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 8 | |||
Responses for columbia.edu/DNSKEY
| 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. (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) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.40.10) | 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 | 0/0/1 | 0/0/1 | |||||||
| Response size (bytes) | OK | 124 | 124 | 124 | 124 | 124 | 156 | 57 | 57 | |||||||
| Response time (ms) | OK | 105 | 30 | 160 | 178 | 105 | 77 | 146 | 147 | |||||||
Responses for columbia.edu/NS
| 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. (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) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.40.10) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | 3600 | NS |
ns1.lse.ac.uk.
dns2.itd.umich.edu.
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 | Y | |||||
| RR count (Answer/Authority/Additional) | OK | 7/0/12 | 7/0/12 | 7/0/12 | 7/0/12 | 7/0/1 | 7/0/5 | 0/13/14 | 7/0/6 | |||||||
| Response size (bytes) | OK | 491 | 491 | 491 | 491 | 243 | 363 | 664 | 319 | |||||||
| Response time (ms) | OK | 76 | 15 | 142 | 153 | 71 | 59 | 134 | 133 | |||||||
Responses for columbia.edu/NS
| 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. (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) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.40.10) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | 3600 | NS |
ns1.lse.ac.uk.
dns2.itd.umich.edu.
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 | Y | |||||
| RR count (Answer/Authority/Additional) | OK | 7/0/12 | 7/0/12 | 7/0/12 | 7/0/12 | 7/0/1 | 7/0/5 | 0/13/14 | 7/0/6 | |||||||
| Response size (bytes) | OK | 491 | 491 | 491 | 491 | 243 | 363 | 664 | 319 | |||||||
| Response time (ms) | OK | 76 | 15 | 142 | 153 | 71 | 59 | 134 | 133 | |||||||
Responses for columbia.edu/MX
| 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. (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) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.40.10) | 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 | 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 | 0/0/1 | 0/0/1 | |||||||
| Response size (bytes) | OK | 144 | 144 | 144 | 144 | 144 | 176 | 57 | 57 | |||||||
| Response time (ms) | OK | 96 | 27 | 158 | 175 | 96 | 68 | 148 | 148 | |||||||
Responses for columbia.edu/CNAME
| 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. (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) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.40.10) | 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 | 0/13/14 | 0/1/1 | |||||||
| Response size (bytes) | OK | 124 | 124 | 124 | 124 | 124 | 156 | 664 | 96 | |||||||
| Response time (ms) | OK | 97 | 28 | 161 | 175 | 95 | 65 | 169 | 165 | |||||||
Responses for o1yt84wiql.columbia.edu/A
| 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. (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) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.40.10) | 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 | 0/13/14 | 0/1/1 | |||||||
| Response size (bytes) | OK | 135 | 135 | 135 | 135 | 135 | 167 | 675 | 119 | |||||||
| Response time (ms) | OK | 96 | 27 | 175 | 174 | 95 | 64 | 146 | 158 | |||||||
Responses for columbia.edu/TXT
| 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. (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) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.40.10) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | 3600 | TXT |
"MS=ms32107722"
"MS=ms88535648"
"rm_verify=cf192bfd71"
"wpe-verification=cssrsprod"
"ZOOM_verify_H76gKGnfTfSjo0uBs3ATpw"
"ZOOM_verify_ZJlClnqsRTqo4L8EQGaPDg"
"ZOOM_verify__tMWR0IkQ5mSUFNi7PT0-A"
"ZOOM_verify_aIBp_UI9RA-_nAc54T9CiA"
"ZOOM_verify_ohdpGstzTlO2gNsWqnSiHQ"
"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"
"google-site-verification=79W02b1NsvPOhVkXxG5gXzAXuxuYquPTXmx_l6KfRok"
"google-site-verification=B93x40FIZF4LI-5cayepjvuwU8ZodIQ09zIDG1gHtIc"
"v=spf1 ip4:128.59.72.0/24 ip4:207.10.139.0/24 ip4:148.163.139.74 ip4:148.163.135.74 ~all"
"adobe-idp-site-verification=c4c82a5f2bf3cc3ee4ad2ee246c28e17ead150faf152556bc9ca5c068762b827" | OK | Y | Y | Y | Y | Y | Y | Y | |||||
| RR count (Answer/Authority/Additional) | OK | 19/7/12 | 19/7/12 | 19/7/12 | 19/7/12 | 19/0/1 | 19/7/5 | 0/13/14 | 19/0/1 | |||||||
| Response size (bytes) | OK | 1569 | 1569 | 1569 | 1569 | 1147 | 1441 | 664 | 1119 | |||||||
| Response time (ms) | OK | 150 | 74 | 289 | 312 | 96 | 68 | 174 | 179 | |||||||
Responses for columbia.edu/SOA
| 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. (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) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.40.10) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | 3600 | SOA |
ext-ns1.columbia.edu. hostmaster.columbia.edu. 70734 3600 1800 2419200 300 | OK | Y | Y | Y | Y | Y | Y | Y | |||||
| RR count (Answer/Authority/Additional) | OK | 1/7/12 | 1/7/12 | 1/7/12 | 1/7/12 | 1/0/1 | 1/7/5 | 0/13/14 | 1/0/4 | |||||||
| Response size (bytes) | OK | 547 | 547 | 547 | 547 | 124 | 419 | 664 | 168 | |||||||
| Response time (ms) | OK | 110 | 33 | 160 | 186 | 115 | 80 | 188 | 164 | |||||||
Responses for columbia.edu/NSEC3PARAM
| 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. (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) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.40.10) | 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 | 0/13/14 | 0/1/1 | |||||||
| Response size (bytes) | OK | 124 | 124 | 124 | 124 | 124 | 156 | 664 | 96 | |||||||
| Response time (ms) | OK | 103 | 25 | 160 | 177 | 103 | 77 | 183 | 158 | |||||||
Responses for columbia.edu/AAAA
| 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. (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) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.40.10) | 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 | 0/13/14 | 0/1/1 | |||||||
| Response size (bytes) | OK | 124 | 124 | 124 | 124 | 124 | 156 | 664 | 96 | |||||||
| Response time (ms) | OK | 104 | 30 | 178 | 178 | 104 | 76 | 159 | 133 | |||||||
Responses for columbia.edu/A
| 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. (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) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.40.10) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | 3600 | A |
128.59.105.24 | OK | Y | Y | Y | Y | Y | Y | Y | |||||
| RR count (Answer/Authority/Additional) | OK | 1/7/12 | 1/7/12 | 1/7/12 | 1/7/12 | 1/0/1 | 1/7/5 | 0/13/14 | 1/0/1 | |||||||
| Response size (bytes) | OK | 507 | 507 | 507 | 507 | 85 | 379 | 664 | 57 | |||||||
| Response time (ms) | OK | 74 | 15 | 146 | 156 | 71 | 56 | 134 | 135 | |||||||
