sustainability.ei.columbia.edu
Issued by Sectigo RSA Domain Validation Secure Server CA
About this certificate
This digital certificate with serial number 7c:e6:bd:9a:0a:0b:87:48:7d:30:55:5c:1a:ad:46:df was issued on by Sectigo Limited.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=sustainability.ei.columbia.edu
Sectigo Limited
Organization:
Sectigo Limited
State / Province:
Greater Manchester
Locality: Salford
Country: GB
Locality: Salford
Country: GB
This certificate has expire since
Certificate Details
Serial Number (hex): 7c:e6:bd:9a:0a:0b:87:48:7d:30:55:5c:1a:ad:46:dfSerial Number (int): 166022345334453483095942981291801921247
Serial Number lenght: 127 bits, 16 octets
SubjectKeyId: 08:6e:c5:e5:19:db:b0:e9:f1:b3:99:d1:14:dd:ce:2f:20:53:3e:32
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1
Fingerprint (sha1): b1:9a:a1:85:36:92:25:a8:33:04:6b:c8:b4:a6:58:0b:83:19:51:f1
Fingerprint (sha256): 01:c8:52:3a:28:ce:3a:1d:84:11:ff:9a:13:fb:34:cf:4e:c1:54:b2:85:cd:8c:07:18:7f:25:ae:4c:d4:53:51
Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
Revocation information
OCSP Server: http://ocsp.sectigo.comCheck the revocation status for certificate sustainability.ei.columbia.edu
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for sustainability.ei.columbia.edu
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 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
sustainability.ei.columbia.edu
www.sustainability.ei.columbia.edu
www.sustainability.ei.columbia.edu
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Certificate
The complete raw certificate details for sustainability.ei.columbia.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIF7zCCBNegAwIBAgIQfOa9mgoLh0h9MFVcGq1G3zANBgkqhkiG9w0BAQsFADCB jzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G A1UEBxMHU2FsZm9yZDEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQD Ey5TZWN0aWdvIFJTQSBEb21haW4gVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENB MB4XDTIwMDIwMzAwMDAwMFoXDTIwMDUwMzIzNTk1OVowKTEnMCUGA1UEAxMec3Vz dGFpbmFiaWxpdHkuZWkuY29sdW1iaWEuZWR1MIIBIjANBgkqhkiG9w0BAQEFAAOC AQ8AMIIBCgKCAQEAvibx/HojkLwKhzY+ZnQjpduSsiNLYbAkMqCKkBEGcujqDZk9 tZ/d1Qxi1zSJmV02+OrU/8QWeC139MmsDzVtZZSmwBuU+vpyPHqBfBdJmmtdBK3+ swzY3l5JMrd1IxhL1Q6tdNVkHFs+a5Ij8rKaVZT+xiNufd1jOsKAhtNSyBko1ONI 4BsbLAtsazpi0eKi7ooxur90/OIsivEKvcJjvx0Yc9ArVui9yywQ5zsr7h2RgiUJ E9UdNyesdCoFDlz4dE2rBfFOteF00jJTzMntMcaJkN7MitMuKfd770bmSSN/3Xi4 IjvWK9zA+jmJB7wfJdHYAdjkkV/CADI4FcpKawIDAQABo4ICqjCCAqYwHwYDVR0j BBgwFoAUjYxexFStiuF36Zv5mwXhuAGNYeEwHQYDVR0OBBYEFAhuxeUZ27Dp8bOZ 0RTdzi8gUz4yMA4GA1UdDwEB/wQEAwIFoDAMBgNVHRMBAf8EAjAAMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjBJBgNVHSAEQjBAMDQGCysGAQQBsjEBAgIH MCUwIwYIKwYBBQUHAgEWF2h0dHBzOi8vc2VjdGlnby5jb20vQ1BTMAgGBmeBDAEC ATCBhAYIKwYBBQUHAQEEeDB2ME8GCCsGAQUFBzAChkNodHRwOi8vY3J0LnNlY3Rp Z28uY29tL1NlY3RpZ29SU0FEb21haW5WYWxpZGF0aW9uU2VjdXJlU2VydmVyQ0Eu Y3J0MCMGCCsGAQUFBzABhhdodHRwOi8vb2NzcC5zZWN0aWdvLmNvbTBNBgNVHREE RjBEgh5zdXN0YWluYWJpbGl0eS5laS5jb2x1bWJpYS5lZHWCInd3dy5zdXN0YWlu YWJpbGl0eS5laS5jb2x1bWJpYS5lZHUwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAA dgAHt1wb5X1o//Gwxh0jFce65ld8V5S3au68YToaadOiHAAAAXAMuLvbAAAEAwBH MEUCIHBWRmkutS2CbnMr5uku4jfj4RBp53idh7f8qsPTEsWeAiEAqhlaZqsKvjXo f03iZhZv9f/oMne0bQSPrKonVyH13joAdgBep3P531bA57U2SH3QSeAyepGaDISh EhKEGHWWgXFFWAAAAXAMuLvPAAAEAwBHMEUCIB0eL4WCOIxh2QtfcluVvd1o7CVF bQgYzmP3NPTwcNMeAiEA5lXAFJdeYXPcXdodSmkUSIouFbJta97D7hEROG1K3Cww DQYJKoZIhvcNAQELBQADggEBACCqxAsV34R/Icgty8KsiEjEFnKDh0QpB+MCwhtz Zixe4k8gLV7kR+iZKxddJohVQnA0wKIOd/8hKB6y0kMzeurzXbrAMRs7dfNcFhZ4 TwXNV3Px2ht2leE30K0Bf3/d+LZmiAuJXesAZg2hoZf0auzb+m6W9yW5uVj6iTMR omffKp3k2nvwV/JEsyAWYbjai/wZhUmoc3+3MGQfv/UztKqtV3EVRraOkux5Nfr0 Pt1NV4voMMzmlVTui351m38WRe9Yg82wYSd61mIOkQ4A2rENN7tiPKv6UpOudiE+ SBgqTFmCIGzRMV6tpnS+YlebFKAqZvVceZdjyrlMRrLk6lg= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvibx/HojkLwKhzY+ZnQj pduSsiNLYbAkMqCKkBEGcujqDZk9tZ/d1Qxi1zSJmV02+OrU/8QWeC139MmsDzVt ZZSmwBuU+vpyPHqBfBdJmmtdBK3+swzY3l5JMrd1IxhL1Q6tdNVkHFs+a5Ij8rKa VZT+xiNufd1jOsKAhtNSyBko1ONI4BsbLAtsazpi0eKi7ooxur90/OIsivEKvcJj vx0Yc9ArVui9yywQ5zsr7h2RgiUJE9UdNyesdCoFDlz4dE2rBfFOteF00jJTzMnt McaJkN7MitMuKfd770bmSSN/3Xi4IjvWK9zA+jmJB7wfJdHYAdjkkV/CADI4FcpK awIDAQAB -----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 166022345334453483095942981291801921247 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [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 'GB' . . . . . . . . . . . . [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 'Greater Manchester' . . . . . . . . . . . . [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 'Salford' . . . . . . . . . . . . [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 'Sectigo Limited' . . . . . . . . . . . . [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 'Sectigo RSA Domain Validation Secure Server CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-03 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-03 23:59:59 +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 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'sustainability.ei.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 24004482566404339897848210322117389614874175253265399316986582500808664218243545682714631617330673735133755447823421151444050041859789352285872105070037671804070966626303490601941672782457758657604455859774179365386241007771375434963155684614467413612918960641596427315040110640859962110937053214802695298341970123471421403278819874029450057668620973222621877525055853343540025803746946891802951193457008876639632849533727686368176536372355557031919368438338354621252149849763252242418708676451208980852185977986812394628404923384564599997955319181501948757109376430130562055488353688566144633013872472892849412262507 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1 . . . . . . . . . . . . . . . . [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) 086ec5e519dbb0e9f1b399d114ddce2f20533e32 . . . . . . . . . . . . . . . . [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 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://sectigo.com/CPS' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [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 (120 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.sectigo.com' . . . . . . . . . . . . . . . . [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 (70 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sustainability.ei.columbia.edu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sustainability.ei.columbia.edu' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001700cb8bbdb00000403004730450220705646692eb52d826e732be6e92ee237e3e11069e7789d87b7fcaac3d312c59e022100aa195a66ab0abe35e87f4de266166ff5ffe83277b46d048facaa275721f5de3a0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001700cb8bbcf000004030047304502201d1e2f8582388c61d90b5f725b95bddd68ec25456d0818ce63f734f4f070d31e022100e655c014975e6173dc5dda1d4a6914488a2e15b26d6bdec3ee1111386d4adc2c . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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