www.college.columbia.edu
- Columbia University -
Issued by
About this certificate
This digital certificate with serial number 0b:31:06 was issued on by Equifax.
This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- KeyUsage [ContentCommitment DataEncipherment DigitalSignature KeyEncipherment] (00001111) inconsistent with multiple purpose ExtKeyUsage [clientAuth serverAuth] The certificate MUST only be used for a purpose consistent with both key usage extension and extended key usage extension. (RFC 5280, Section 4.2.1.12.)
Columbia University
Organization:
Columbia University
Organization unit: Columbia College Information Technology
Organization unit: Columbia College Information Technology
State / Province:
New York
Locality: New York
Country: US
Locality: New York
Country: US
Equifax
Organization:
Equifax
Organization unit: Equifax Secure Certificate Authority
Organization unit: Equifax Secure Certificate Authority
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 0b:31:06Serial Number (int): 733446
Serial Number lenght: 20 bits, 3 octets
SubjectKeyId: 86:5e:48:a6:96:03:08:5e:b3:63:d9:17:c2:b3:1c:30:8b:02:89:a2
AuthorityKeyId: 48:e6:68:f9:2b:d2:b2:95:d7:47:d8:23:20:10:4f:33:98:90:9f:d4
Fingerprint (sha1): 7f:de:f2:9d:23:7b:dc:04:26:96:9a:45:ff:13:a0:94:c1:b5:65:ee
Fingerprint (sha256): 02:cc:f4:2a:52:9e:6f:18:7c:f1:75:a8:7e:ed:37:67:b4:ad:12:2e:c8:d5:46:42:a2:e9:57:d8:58:1c:52:83
Revocation information
CRL Distribution Point: http://crl.geotrust.com/crls/secureca.crlCheck the revocation status for certificate www.college.columbia.edu
0
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.college.columbia.edu
Public Key Algorithm
RSA
Key Size
1024
Signature Algorithm
SHA1 with RSA
Key Usage
Digital Signature
Content Commitment
Key Encipherment
Data Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
5 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
This certificate doesn't contain any subject alternative names.
Other certificates including the domain name columbia.edu
(limited to 100 certificates)
coursewebs.law.columbia.edu
mcftp.mc.cumc.columbia.edu
diamond.law.columbia.edu
classics.columbia.edu
tsividis.ee.columbia.edu
frontend.sisfrontend-uat.sis-r53.cuit.columbia.edu
povertycenter.columbia.edu
invest-serv2.ooi.columbia.edu
test-web-lws.edu.help
exprodmail01.cuit.columbia.edu
ssl.procurement.columbia.edu
nursingvolunteer.givingday.columbia.edu
*.hr.columbia.edu
5697124062724096-fe2.pantheonsite.io
us.prod.campusgroups.com
unleashing.tc.columbia.edu
www.mailman.columbia.edu
secure5bb5ec4d4764e8eaa9667dce.nationbuilder.com
wikischolars.columbia.edu
incapsula.com
nano.columbia.edu
emeritus.gsb.columbia.edu
courseworks2.columbia.edu
admissions.emeritus.org
video.engineering.columbia.edu
cluster3.technolutions.net
aspirerefugees.columbia.edu
cluster.technolutions.net
cluster3.technolutions.net
globalreports.columbia.edu
wwws-db.law.columbia.edu
us.prod.campusgroups.com
5691420614590464-fe3.pantheonsite.io
califano.c2b2.columbia.edu
dev.cumc.columbia.edu
amploadvance.com
www.icap.columbia.edu
icccr.tc.columbia.edu
guestaccess.law.columbia.edu
giving.columbia.edu
www.incite.columbia.edu
ad01.gsb.columbia.edu
thelowdown.alumni.columbia.edu
mail.biology.columbia.edu
*.isso.columbia.edu
digitaltutorials.jrn.columbia.edu
pawprtprodmprt1.cuit.columbia.edu
incapsula.com
5727389891952640-fe2.pantheonsite.io
columbia.edu
stat.columbia.edu
palestine.mei.columbia.edu
m.lawnet.law.columbia.edu
abate-shen.cumc.columbia.edu
jira.columbia.edu
incite.columbia.edu
portal.neuro.columbia.edu
idmapp.cc.columbia.edu
incapsula.com
haywire.college.columbia.edu
sustainability.ei.columbia.edu
lockers-dev.paas.cc.columbia.edu
connect.woodstockacademy.org
indianeconomy.columbia.edu
ias-drupal6-test.cc.columbia.edu
mail-in.cc.columbia.edu
beisdev1.tc.columbia.edu
www.design-engineering.princeton.edu
5753050442498048-fe1.pantheonsite.io
tls.automattic.com
chagall.tc.columbia.edu
prod.25.slot.cdn.salesforce-communities.com
5691420614590464-fe3.pantheonsite.io
act.dbmi.columbia.edu
www.cser.columbia.edu
5703702744662016-fe4.pantheonsite.io
soc.cs.columbia.edu
sni.cloudflaressl.com
amploadvance.com
sslvs03.igloosoftware.com
cluster3.technolutions.net
sustainability.ei.columbia.edu
stat.columbia.edu
library.columbia.edu
pistars1.cpmc.columbia.edu
nxterra.ucop.edu
portal.studenthealth.cuimc.columbia.edu
cice-dev.paas.cc.columbia.edu
www.ffworkshop.columbia.edu
shoreline.ncdp.columbia.edu
hudson.jrn.columbia.edu
enhants.ee.columbia.edu
p-ctx-dc-02.mc.cumc.columbia.edu
admissions.nursing.columbia.edu
realrisks.dbmi.columbia.edu
*.gsas.columbia.edu
cluster2.technolutions.net
www.make.columbia.edu
lawnetportal.law.columbia.edu
sy-cvl-vcs-p02.college.columbia.edu
mcftp.mc.cumc.columbia.edu
diamond.law.columbia.edu
classics.columbia.edu
tsividis.ee.columbia.edu
frontend.sisfrontend-uat.sis-r53.cuit.columbia.edu
povertycenter.columbia.edu
invest-serv2.ooi.columbia.edu
test-web-lws.edu.help
exprodmail01.cuit.columbia.edu
ssl.procurement.columbia.edu
nursingvolunteer.givingday.columbia.edu
*.hr.columbia.edu
5697124062724096-fe2.pantheonsite.io
us.prod.campusgroups.com
unleashing.tc.columbia.edu
www.mailman.columbia.edu
secure5bb5ec4d4764e8eaa9667dce.nationbuilder.com
wikischolars.columbia.edu
incapsula.com
nano.columbia.edu
emeritus.gsb.columbia.edu
courseworks2.columbia.edu
admissions.emeritus.org
video.engineering.columbia.edu
cluster3.technolutions.net
aspirerefugees.columbia.edu
cluster.technolutions.net
cluster3.technolutions.net
globalreports.columbia.edu
wwws-db.law.columbia.edu
us.prod.campusgroups.com
5691420614590464-fe3.pantheonsite.io
califano.c2b2.columbia.edu
dev.cumc.columbia.edu
amploadvance.com
www.icap.columbia.edu
icccr.tc.columbia.edu
guestaccess.law.columbia.edu
giving.columbia.edu
www.incite.columbia.edu
ad01.gsb.columbia.edu
thelowdown.alumni.columbia.edu
mail.biology.columbia.edu
*.isso.columbia.edu
digitaltutorials.jrn.columbia.edu
pawprtprodmprt1.cuit.columbia.edu
incapsula.com
5727389891952640-fe2.pantheonsite.io
columbia.edu
stat.columbia.edu
palestine.mei.columbia.edu
m.lawnet.law.columbia.edu
abate-shen.cumc.columbia.edu
jira.columbia.edu
incite.columbia.edu
portal.neuro.columbia.edu
idmapp.cc.columbia.edu
incapsula.com
haywire.college.columbia.edu
sustainability.ei.columbia.edu
lockers-dev.paas.cc.columbia.edu
connect.woodstockacademy.org
indianeconomy.columbia.edu
ias-drupal6-test.cc.columbia.edu
mail-in.cc.columbia.edu
beisdev1.tc.columbia.edu
www.design-engineering.princeton.edu
5753050442498048-fe1.pantheonsite.io
tls.automattic.com
chagall.tc.columbia.edu
prod.25.slot.cdn.salesforce-communities.com
5691420614590464-fe3.pantheonsite.io
act.dbmi.columbia.edu
www.cser.columbia.edu
5703702744662016-fe4.pantheonsite.io
soc.cs.columbia.edu
sni.cloudflaressl.com
amploadvance.com
sslvs03.igloosoftware.com
cluster3.technolutions.net
sustainability.ei.columbia.edu
stat.columbia.edu
library.columbia.edu
pistars1.cpmc.columbia.edu
nxterra.ucop.edu
portal.studenthealth.cuimc.columbia.edu
cice-dev.paas.cc.columbia.edu
www.ffworkshop.columbia.edu
shoreline.ncdp.columbia.edu
hudson.jrn.columbia.edu
enhants.ee.columbia.edu
p-ctx-dc-02.mc.cumc.columbia.edu
admissions.nursing.columbia.edu
realrisks.dbmi.columbia.edu
*.gsas.columbia.edu
cluster2.technolutions.net
www.make.columbia.edu
lawnetportal.law.columbia.edu
sy-cvl-vcs-p02.college.columbia.edu
Certificate
The complete raw certificate details for www.college.columbia.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIDHDCCAoWgAwIBAgIDCzEGMA0GCSqGSIb3DQEBBQUAME4xCzAJBgNVBAYTAlVT MRAwDgYDVQQKEwdFcXVpZmF4MS0wKwYDVQQLEyRFcXVpZmF4IFNlY3VyZSBDZXJ0 aWZpY2F0ZSBBdXRob3JpdHkwHhcNMDkwNTE3MDYzOTQ2WhcNMTAwNzE4MDcxNDAy WjCBpjELMAkGA1UEBhMCVVMxETAPBgNVBAgTCE5ldyBZb3JrMREwDwYDVQQHEwhO ZXcgWW9yazEcMBoGA1UEChMTQ29sdW1iaWEgVW5pdmVyc2l0eTEwMC4GA1UECxMn Q29sdW1iaWEgQ29sbGVnZSBJbmZvcm1hdGlvbiBUZWNobm9sb2d5MSEwHwYDVQQD Exh3d3cuY29sbGVnZS5jb2x1bWJpYS5lZHUwgZ8wDQYJKoZIhvcNAQEBBQADgY0A MIGJAoGBAMgopUFKXhJrEPCM8cjbOFCpfGkYn0HKwAlCUPNqC6RS9L+VDkfLDShx lhA52EVvGHpcbMbDmeEI+vmH46tRtXVhbfKZi1GrcohsUqlPDbV+iS0T02cPpwpK w/z9S+efbj6fh84i+AUfA/wrnVORiYFlI8353KNrateNK+QmXKQLAgMBAAGjga4w gaswDgYDVR0PAQH/BAQDAgTwMB0GA1UdDgQWBBSGXkimlgMIXrNj2RfCsxwwiwKJ ojA6BgNVHR8EMzAxMC+gLaArhilodHRwOi8vY3JsLmdlb3RydXN0LmNvbS9jcmxz L3NlY3VyZWNhLmNybDAfBgNVHSMEGDAWgBRI5mj5K9KylddH2CMgEE8zmJCf1DAd BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDQYJKoZIhvcNAQEFBQADgYEA aLQsefe3Z3SI6qKwse+Oj3lxxpUuvix5hx8Q5iVMuubvxl1qsuvD1MqGPTSWd96b XU83vFuSGHGX771ARUI5Zn6hrB6MSxDHaDeGWcJqHzmJrmrr9O6Gk9AbVIcoBrEi LQtYvsPsF2v+9IzlSEkeKo0J7/zgOdp1Dlu24w5Lvzk= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDIKKVBSl4SaxDwjPHI2zhQqXxp GJ9BysAJQlDzagukUvS/lQ5Hyw0ocZYQOdhFbxh6XGzGw5nhCPr5h+OrUbV1YW3y mYtRq3KIbFKpTw21foktE9NnD6cKSsP8/Uvnn24+n4fOIvgFHwP8K51TkYmBZSPN +dyja2rXjSvkJlykCwIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 733446 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Equifax' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Equifax Secure Certificate Authority' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2009-05-17 06:39:46 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2010-07-18 07:14:02 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'New York' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'New York' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Columbia University' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Columbia College Information Technology' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.college.columbia.edu' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (1120 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 140556269364482508789913976052498143259847169969137423047302799590372976526031454294289790146093193425963951836627179270195985231223402078498399069557161960445721974185366329680995200689936183767923885826471432435501939274618539259652599821099356063702207800897760955921034688934245341574717429693645990962187 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4 bits) 04f0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 865e48a69603085eb363d917c2b31c308b0289a2 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (51 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.geotrust.com/crls/secureca.crl' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 48e668f92bd2b295d747d82320104f3398909fd4 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (1024 bits) 0068b42c79f7b7677488eaa2b0b1ef8e8f7971c6952ebe2c79871f10e6254cbae6efc65d6ab2ebc3d4ca863d349677de9b5d4f37bc5b92187197efbd40454239667ea1ac1e8c4b10c768378659c26a1f3989ae6aebf4ee8693d01b54872806b1222d0b58bec3ec176bfef48ce548491e2a8d09effce039da750e5bb6e30e4bbf39