columbia.edu
Updated:
2022-06-17 22:58:16 UTC (677 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 | 46 | 46 | 6 | 9 | 46 | 45 | 46 | 43 | 46 | 43 | 14 | 18 | 18 | 18 | 18 | 15 | 18 | 18 | 8 | 12 | 12 | 12 | 12 | 8 | 13 | 10 | |||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::1:1) | dns2.itd.umich.edu. (192.12.80.222) | 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 | 0/1/1 | 0/1/1 | 0/1/1 | |||||||
| Response size (bytes) | OK | 124 | 124 | 124 | 124 | 124 | 124 | 124 | 156 | 96 | |||||||
| Response time (ms) | OK | 145 | 36 | 190 | 202 | 146 | 147 | 145 | 85 | 190 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::1:1) | dns2.itd.umich.edu. (192.12.80.222) | 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 | Y | Y | ||||
| RR count (Answer/Authority/Additional) | OK | 7/0/4 | 7/0/4 | 7/0/4 | 7/0/4 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/5 | 7/0/5 | |||||||
| Response size (bytes) | OK | 318 | 318 | 318 | 318 | 243 | 243 | 243 | 363 | 303 | |||||||
| Response time (ms) | OK | 78 | 16 | 150 | 156 | 71 | 67 | 71 | 54 | 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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::1:1) | dns2.itd.umich.edu. (192.12.80.222) | 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 | Y | Y | ||||
| RR count (Answer/Authority/Additional) | OK | 7/0/4 | 7/0/4 | 7/0/4 | 7/0/4 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/5 | 7/0/5 | |||||||
| Response size (bytes) | OK | 318 | 318 | 318 | 318 | 243 | 243 | 243 | 363 | 303 | |||||||
| Response time (ms) | OK | 78 | 16 | 150 | 156 | 71 | 67 | 71 | 54 | 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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::1:1) | dns2.itd.umich.edu. (192.12.80.222) | 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 | 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 | 2/0/1 | 2/0/1 | 2/0/1 | |||||||
| Response size (bytes) | OK | 144 | 144 | 144 | 144 | 144 | 144 | 144 | 176 | 116 | |||||||
| Response time (ms) | OK | 169 | 89 | 229 | 261 | 170 | 170 | 170 | 131 | 229 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::1:1) | dns2.itd.umich.edu. (192.12.80.222) | 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 | 0/1/1 | 0/1/1 | 0/1/1 | |||||||
| Response size (bytes) | OK | 124 | 124 | 124 | 124 | 124 | 124 | 124 | 156 | 96 | |||||||
| Response time (ms) | OK | 168 | 90 | 229 | 263 | 169 | 169 | 169 | 133 | 229 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::1:1) | dns2.itd.umich.edu. (192.12.80.222) | 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 | Y | Y | ||||
| RR count (Answer/Authority/Additional) | OK | 19/7/4 | 19/7/4 | 19/7/4 | 19/7/4 | 19/0/1 | 19/0/1 | 19/0/1 | 19/7/5 | 19/0/1 | |||||||
| Response size (bytes) | OK | 1396 | 1396 | 1396 | 1396 | 1147 | 1147 | 1147 | 1441 | 1119 | |||||||
| Response time (ms) | OK | 145 | 49 | 279 | 311 | 139 | 148 | 139 | 100 | 197 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::1:1) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | 3600 | SOA |
ext-ns1.columbia.edu. hostmaster.columbia.edu. 72375 3600 1800 2419200 300 | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | ||||
| RR count (Answer/Authority/Additional) | OK | 1/7/4 | 1/7/4 | 1/7/4 | 1/7/4 | 1/0/1 | 1/0/1 | 1/0/1 | 1/7/5 | 1/0/4 | |||||||
| Response size (bytes) | OK | 337 | 337 | 337 | 337 | 96 | 96 | 96 | 382 | 168 | |||||||
| Response time (ms) | OK | 213 | 57 | 309 | 341 | 224 | 225 | 224 | 185 | 320 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::1:1) | dns2.itd.umich.edu. (192.12.80.222) | 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 | 0/1/1 | 0/1/1 | 0/1/1 | |||||||
| Response size (bytes) | OK | 124 | 124 | 124 | 124 | 124 | 124 | 124 | 156 | 96 | |||||||
| Response time (ms) | OK | 158 | 59 | 210 | 228 | 159 | 159 | 159 | 104 | 210 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::1:1) | dns2.itd.umich.edu. (192.12.80.222) | 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 | 0/1/1 | 0/1/1 | 0/1/1 | |||||||
| Response size (bytes) | OK | 124 | 124 | 124 | 124 | 124 | 124 | 124 | 156 | 96 | |||||||
| Response time (ms) | OK | 160 | 62 | 211 | 230 | 162 | 162 | 161 | 110 | 211 | |||||||
Responses for 51ud0wovs3.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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::1:1) | dns2.itd.umich.edu. (192.12.80.222) | 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 | 0/1/1 | 0/1/1 | 0/1/1 | |||||||
| Response size (bytes) | OK | 135 | 135 | 135 | 135 | 135 | 135 | 135 | 167 | 119 | |||||||
| Response time (ms) | OK | 162 | 62 | 211 | 230 | 164 | 165 | 164 | 110 | 213 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::1:1) | dns2.itd.umich.edu. (192.12.80.222) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | 3600 | A |
128.59.105.24 | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | ||||
| RR count (Answer/Authority/Additional) | OK | 1/7/4 | 1/7/4 | 1/7/4 | 1/7/4 | 1/0/1 | 1/0/1 | 1/0/1 | 1/7/5 | 1/0/1 | |||||||
| Response size (bytes) | OK | 334 | 334 | 334 | 334 | 85 | 85 | 85 | 379 | 57 | |||||||
| Response time (ms) | OK | 74 | 14 | 145 | 153 | 68 | 70 | 69 | 52 | 134 | |||||||
