os1.cs.columbia.edu

Issued by Go Daddy Secure Certification Authority

About this certificate


This digital certificate with serial number 91:02:95:eb:03:77 was issued on by GoDaddy.com, Inc. .

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. While the 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.

Cerificate errors/warnings *beta

  • ERROR: localityName or stateOrProvinceName is required if organizationName is set
  • ERROR: stateOrProvinceName is required if organizationName is set
  • ERROR: countryName is required if organizationName is set

os1.cs.columbia.edu

Organization: os1.cs.columbia.edu
Organization unit: Domain Control Validated

GoDaddy.com, Inc.

Company registration number: 07969287
Organization: GoDaddy.com, Inc.
Organization unit: http://certificates.godaddy.com/repository

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 91:02:95:eb:03:77
Serial Number (int): 159440291169143
Serial Number lenght: 48 bits, 6 octets

SubjectKeyId: 23:a1:54:e2:61:dc:ad:1f:ca:c5:ec:2e:4a:d7:98:03:5f:4c:29:16
AuthorityKeyId: fd:ac:61:32:93:6c:45:d6:e2:ee:85:5f:9a:ba:e7:76:99:68:cc:e7

Fingerprint (sha1): 8f:2b:5e:be:96:9a:40:29:2b:48:b2:d6:29:24:cb:99:07:14:84:1e
Fingerprint (sha256): f2:88:9e:14:0d:c3:ad:a6:0d:59:0d:22:f1:0f:ae:25:a7:76:85:b1:2b:68:08:a7:af:ae:40:c9:b3:eb:14:4f

Issuing Certificate URL: http://certificates.godaddy.com/repository/gd_intermediate.crt

Revocation information

OCSP Server: http://ocsp.godaddy.com/
CRL Distribution Point: http://crl.godaddy.com/gds1-8.crl

Check the revocation status for the current certificate on os1.cs.columbia.edu
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA1 with RSA



Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

os1.cs.columbia.edu
www.os1.cs.columbia.edu

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFdjCCBF6gAwIBAgIHAJEClesDdzANBgkqhkiG9w0BAQUFADCByjELMAkGA1UE BhMCVVMxEDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxGjAY BgNVBAoTEUdvRGFkZHkuY29tLCBJbmMuMTMwMQYDVQQLEypodHRwOi8vY2VydGlm aWNhdGVzLmdvZGFkZHkuY29tL3JlcG9zaXRvcnkxMDAuBgNVBAMTJ0dvIERhZGR5 IFNlY3VyZSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTERMA8GA1UEBRMIMDc5Njky ODcwHhcNMDkwOTA4MTMzNTAzWhcNMTAwOTA4MTMzNTAzWjBfMRwwGgYDVQQKExNv czEuY3MuY29sdW1iaWEuZWR1MSEwHwYDVQQLExhEb21haW4gQ29udHJvbCBWYWxp ZGF0ZWQxHDAaBgNVBAMTE29zMS5jcy5jb2x1bWJpYS5lZHUwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQCcySbO/Esgh26J4G9wNrFzkGXIcClJMfsGbd2X /W68ioZAOgycrdMELndaW2O/Ulzi3yJJ5JgDl8mhirT3A2x5wv1b+PMP/znUUICn rwCq5riPBn6QEfTkTxe+0RDoHv5pDDuN0q7yUEhirXCthxibaNKrDc/U3WPrFMYW 4pjVORuqk7g4RI+6c/hGmQ+WUY3yQVLn/djnYX5JOtI37+wAZeZv3rzR2iUoHZtM r+VXtT8N/TxGjnqwskOsfi6NBAtcVb5L/WsPSJQ8SeDL578OJhcl0xD6KAUaGfQ8 y1+D6PBqb5nN5lufJrU0smtCVay1LdXgZ5LuWDeJISh8/AC5AgMBAAGjggHJMIIB xTAPBgNVHRMBAf8EBTADAQEAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD AjAOBgNVHQ8BAf8EBAMCBaAwMgYDVR0fBCswKTAnoCWgI4YhaHR0cDovL2NybC5n b2RhZGR5LmNvbS9nZHMxLTguY3JsMFMGA1UdIARMMEowSAYLYIZIAYb9bQEHFwEw OTA3BggrBgEFBQcCARYraHR0cDovL2NlcnRpZmljYXRlcy5nb2RhZGR5LmNvbS9y ZXBvc2l0b3J5LzCBgAYIKwYBBQUHAQEEdDByMCQGCCsGAQUFBzABhhhodHRwOi8v b2NzcC5nb2RhZGR5LmNvbS8wSgYIKwYBBQUHMAKGPmh0dHA6Ly9jZXJ0aWZpY2F0 ZXMuZ29kYWRkeS5jb20vcmVwb3NpdG9yeS9nZF9pbnRlcm1lZGlhdGUuY3J0MB8G A1UdIwQYMBaAFP2sYTKTbEXW4u6FX5q653aZaMznMDcGA1UdEQQwMC6CE29zMS5j cy5jb2x1bWJpYS5lZHWCF3d3dy5vczEuY3MuY29sdW1iaWEuZWR1MB0GA1UdDgQW BBQjoVTiYdytH8rF7C5K15gDX0wpFjANBgkqhkiG9w0BAQUFAAOCAQEAPe+qCLqB 5jQr0uocTEA7x+XH0ag/Y6ekUhm2yVFY0leje+3sxCjx+MW+am9QKmpGWEqG2hXt FXkHlJhUJEWRWE9eEqoHMLX/6d/z5nWZcV8dl7j5O9ioKv53Q/t1jA303LAXzj2H FtviwuIx7Jm/VapEJgpzEc1WFQRT8DCgERz1ss09c7e4AkROkq44b7R8PiEWeuIs sd0i4dF+vyUpR8J7Hsj7j6KZpk23swa352IVJn2LjcHipneT8b2lH+M65Mvx1oAQ fDIBjtixzrsUnW2dB0lKMj5ypQvF8qXwy6cJdFsFS2wlnmCJTewCS7uEkUKg+tf9 eLffG0dTzqfx5A== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnMkmzvxLIIduieBvcDax c5BlyHApSTH7Bm3dl/1uvIqGQDoMnK3TBC53Wltjv1Jc4t8iSeSYA5fJoYq09wNs ecL9W/jzD/851FCAp68Aqua4jwZ+kBH05E8XvtEQ6B7+aQw7jdKu8lBIYq1wrYcY m2jSqw3P1N1j6xTGFuKY1TkbqpO4OESPunP4RpkPllGN8kFS5/3Y52F+STrSN+/s AGXmb9680dolKB2bTK/lV7U/Df08Ro56sLJDrH4ujQQLXFW+S/1rD0iUPEngy+e/ DiYXJdMQ+igFGhn0PMtfg+jwam+ZzeZbnya1NLJrQlWstS3V4GeS7lg3iSEofPwA uQIDAQAB -----END PUBLIC KEY-----

ASN1 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 159440291169143 . . . . . . . . [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 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Arizona' . . . . . . . . . . . . [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 'Scottsdale' . . . . . . . . . . . . [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 'GoDaddy.com, Inc.' . . . . . . . . . . . . [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 'http://certificates.godaddy.com/repository' . . . . . . . . . . . . [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 'Go Daddy Secure Certification Authority' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.5 (serialNumber) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString '07969287' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2009-09-08 13:35:03 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2010-09-08 13:35:03 +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 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'os1.cs.columbia.edu' . . . . . . . . . . . . [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 'Domain Control Validated' . . . . . . . . . . . . [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 'os1.cs.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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 19792367123537648422766284348038294084187000591270857148070415379179127173656722347139767025551893924237619990379109113376010504056789232652167291623686841975181955612782930068177427782565245195258927431511055164615165122697181036207174249753853424334020618792621945713340242106965184459005660866028993925696657657126661429962580918636694004759061160823421877082886501462728410736363631804181416772282806629494370059274763199036717943107755816192884560562806473723879880350750466157156867247232717030155874918661754787993128275142693691597865848139156506325234150914124079455545695895560733427962545452291876487692473 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (5 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN false . . . . . . . . . . . . . . . . [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 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 (3 bits) 05a0 . . . . . . . . . . . . . . . . [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 (43 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.godaddy.com/gds1-8.crl' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (76 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.114413.1.7.23.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://certificates.godaddy.com/repository/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (116 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.godaddy.com/' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://certificates.godaddy.com/repository/gd_intermediate.crt' . . . . . . . . . . . . . . . . [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 fdac6132936c45d6e2ee855f9abae7769968cce7 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (48 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'os1.cs.columbia.edu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.os1.cs.columbia.edu' . . . . . . . . . . . . . . . . [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) 23a154e261dcad1fcac5ec2e4ad798035f4c2916 . . . . [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 (2048 bits) 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