campusmail.u21global.edu.sg

Issued by GlobalSign Organization Validation CA - G2

About this certificate


This digital certificate with serial number 11:21:7b:3c:5a:fd:f4:64:f6:8c:a8:bf:b2:f7:09:24:81:11 was issued on by GlobalSign nv-sa .

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.

U21Global Graduate School Pte Ltd

Organization: U21Global Graduate School Pte Ltd
State / Province: Singapore
Locality: Singapore
Country: sg

GlobalSign nv-sa

Organization: GlobalSign nv-sa
State / Province: Singapore
Locality: Singapore
Country: sg

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 11:21:7b:3c:5a:fd:f4:64:f6:8c:a8:bf:b2:f7:09:24:81:11
Serial Number (int): 1492301987375145444872956977503148458672401
Serial Number lenght: 141 bits, 18 octets

SubjectKeyId: 94:78:3b:e2:46:c7:85:62:d7:90:e7:ad:cc:d4:bc:c4:f3:72:5d:49
AuthorityKeyId: 5d:46:b2:8d:c4:4b:74:1c:bb:ed:f5:73:b6:3a:b7:38:8f:75:9e:7e

Fingerprint (sha1): 30:56:0e:25:d5:9a:10:7e:ef:65:94:98:ce:30:73:c8:38:19:fe:5d
Fingerprint (sha256): 0a:bb:9d:25:4f:12:5a:14:f6:62:6e:25:11:db:cc:e7:78:1a:bd:be:53:c8:7a:4d:49:56:ba:b6:f5:bf:b0:f1

Issuing Certificate URL: http://secure.globalsign.com/cacert/gsorganizationvalg2.crt

Revocation information

OCSP Server: http://ocsp2.globalsign.com/gsorganizationvalg2
CRL Distribution Point: http://crl.globalsign.com/gs/gsorganizationvalg2.crl

Check the revocation status for the current certificate on campusmail.u21global.edu.sg
1
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

This certificate doesn't contain any other subject alternative names besides the common name of the subject: campusmail.u21global.edu.sg

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFRzCCBC+gAwIBAgISESF7PFr99GT2jKi/svcJJIERMA0GCSqGSIb3DQEBBQUA MF0xCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTMwMQYD VQQDEypHbG9iYWxTaWduIE9yZ2FuaXphdGlvbiBWYWxpZGF0aW9uIENBIC0gRzIw HhcNMTIxMDIyMDYxNTAyWhcNMTMxMTI0MDIwMTE0WjCBhzELMAkGA1UEBhMCc2cx EjAQBgNVBAgTCVNpbmdhcG9yZTESMBAGA1UEBxMJU2luZ2Fwb3JlMSowKAYDVQQK EyFVMjFHbG9iYWwgR3JhZHVhdGUgU2Nob29sIFB0ZSBMdGQxJDAiBgNVBAMTG2Nh bXB1c21haWwudTIxZ2xvYmFsLmVkdS5zZzCCASIwDQYJKoZIhvcNAQEBBQADggEP ADCCAQoCggEBAKGpbv+bWWcjfkotNjaVdECWemdWhH154Ox6n6SGbTLPmqyOagV8 NUCd2a4Y+HYeG2WPuxr59kcCmatbXahbl9ZBrcVZcn+6l1Nq5CEEfhSTe0er6fHr WUnhO8AaAjv0o4Nn3JOBT3M+Px1cT27dZOjo5fjSl7EE2i7Fnu6VBcdnmnlD8kLY j4xACsdX9nnrq9qGEHBawuv+ipkMOqidmL9J5elRfNljpVunF8UM7NTLVCY72xyJ tNMKJWzBAJtaxXnsVFhCkmDHZW7pZVvT5bTcen7XaUnxJmRHVS7wAn9YGELT9V0Z +cCb52EPaZdfzniSq7v+/tp6bkpX2wy6nZcCAwEAAaOCAdQwggHQMA4GA1UdDwEB /wQEAwIFoDBMBgNVHSAERTBDMEEGCSsGAQQBoDIBFDA0MDIGCCsGAQUFBwIBFiZo dHRwczovL3d3dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5LzAmBgNVHREEHzAd ghtjYW1wdXNtYWlsLnUyMWdsb2JhbC5lZHUuc2cwCQYDVR0TBAIwADAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwRQYDVR0fBD4wPDA6oDigNoY0aHR0cDov L2NybC5nbG9iYWxzaWduLmNvbS9ncy9nc29yZ2FuaXphdGlvbnZhbGcyLmNybDCB lgYIKwYBBQUHAQEEgYkwgYYwRwYIKwYBBQUHMAKGO2h0dHA6Ly9zZWN1cmUuZ2xv YmFsc2lnbi5jb20vY2FjZXJ0L2dzb3JnYW5pemF0aW9udmFsZzIuY3J0MDsGCCsG AQUFBzABhi9odHRwOi8vb2NzcDIuZ2xvYmFsc2lnbi5jb20vZ3Nvcmdhbml6YXRp b252YWxnMjAdBgNVHQ4EFgQUlHg74kbHhWLXkOetzNS8xPNyXUkwHwYDVR0jBBgw FoAUXUayjcRLdBy77fVztjq3OI91nn4wDQYJKoZIhvcNAQEFBQADggEBAG22b450 0+q1behPMGi6ucfpV5tbW7wSxqmGkbMiTt/2sSpduGOIc2TSswX6Z74B5nwot8ou WtDGhO+myb1L5wHYRpc25IwCiURztjBZn45JnyFbJH1gNKscTAb1KWPhzUzNVk3X 5PjxL7+HOUq/kz8rmWJZZWCLoHq19DWeJMGiKfe6I3zo553wjIHeR4HTTzL4AUZe /ixsfFz3TTo24KlrtLGC0njbuvaG3ptRhOuIWHg5Tv5w+0xz5+PmULE4TWquDhn2 G4eTMnps7eC1AXtW8ArAL1KKy8K6Mkc0oQqMRilfxS4V6JK7cR+aLOEJcFT2/r5K 09VuzZE6dDSuVEk= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoalu/5tZZyN+Si02NpV0 QJZ6Z1aEfXng7HqfpIZtMs+arI5qBXw1QJ3Zrhj4dh4bZY+7Gvn2RwKZq1tdqFuX 1kGtxVlyf7qXU2rkIQR+FJN7R6vp8etZSeE7wBoCO/Sjg2fck4FPcz4/HVxPbt1k 6Ojl+NKXsQTaLsWe7pUFx2eaeUPyQtiPjEAKx1f2eeur2oYQcFrC6/6KmQw6qJ2Y v0nl6VF82WOlW6cXxQzs1MtUJjvbHIm00wolbMEAm1rFeexUWEKSYMdlbullW9Pl tNx6ftdpSfEmZEdVLvACf1gYQtP1XRn5wJvnYQ9pl1/OeJKru/7+2npuSlfbDLqd lwIDAQAB -----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 1492301987375145444872956977503148458672401 . . . . . . . . [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 'BE' . . . . . . . . . . . . [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 'GlobalSign nv-sa' . . . . . . . . . . . . [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 'GlobalSign Organization Validation CA - G2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-10-22 06:15:02 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-11-24 02:01:14 +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 'sg' . . . . . . . . . . . . [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 'Singapore' . . . . . . . . . . . . [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 'Singapore' . . . . . . . . . . . . [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 'U21Global Graduate School Pte Ltd' . . . . . . . . . . . . [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 'campusmail.u21global.edu.sg' . . . . . . . . [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 20407917915636892111016967634348099773872374926179053405115804364418490337236275272556070020258142780820496877491248213977412538524417233695348562426679410777708794093908299648424870218302676849591409992312742434780805098517908938335121596216364905660676468980543534556779563311211554263246666717858049802640022025842780975016769416553013696681944380413863040184819848085871296030652890374948411062530594571351711837316353424283640223805441917230316342121341573093147326098432682703955974778035475716188172496361842042397033632990318793289735173085619805189527912451955375525720317681745674091867405377898371067059607 . . . . . . . . . . . . . . . . . . . . [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 (3 bits) 05a0 . . . . . . . . . . . . . . . . [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 (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.4146.1.20 (globalsignOVPolicy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://www.globalsign.com/repository/' . . . . . . . . . . . . . . . . [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 (31 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'campusmail.u21global.edu.sg' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (62 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.globalsign.com/gs/gsorganizationvalg2.crl' . . . . . . . . . . . . . . . . [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 (137 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://secure.globalsign.com/cacert/gsorganizationvalg2.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://ocsp2.globalsign.com/gsorganizationvalg2' . . . . . . . . . . . . . . . . [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) 94783be246c78562d790e7adccd4bcc4f3725d49 . . . . . . . . . . . . . . . . [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 5d46b28dc44b741cbbedf573b63ab7388f759e7e . . . . [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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