exchange.cse.ust.hk

Issued by COMODO RSA Domain Validation Secure Server CA

About this certificate


This digital certificate with serial number 14:5f:bc:c6:0d:ec:ec:51:83:6b:18:f6:16:af:7b:40 was issued on by COMODO CA Limited .

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com.

exchange.cse.ust.hk

Organization unit: Domain Control Validated
Organization unit: COMODO SSL Unified Communications

COMODO CA Limited

Organization: COMODO CA Limited

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): 14:5f:bc:c6:0d:ec:ec:51:83:6b:18:f6:16:af:7b:40
Serial Number (int): 27081656901750518024417539633921882944
Serial Number lenght: 125 bits, 16 octets

SubjectKeyId: 20:fe:08:11:7c:a1:22:0f:fe:6f:6d:76:fd:75:db:68:c1:2f:0c:56
AuthorityKeyId: 90:af:6a:3a:94:5a:0b:d8:90:ea:12:56:73:df:43:b4:3a:28:da:e7

Fingerprint (sha1): a1:2c:85:76:be:d1:43:7c:cd:7d:7c:4e:17:55:25:88:e7:23:07:04
Fingerprint (sha256): a7:b8:bb:51:fa:fd:ac:93:19:f7:61:e0:11:67:7d:fa:93:7e:ed:0f:b1:da:1a:40:48:8a:66:e7:04:aa:72:21

Issuing Certificate URL: http://crt.comodoca.com/COMODORSADomainValidationSecureServerCA.crt

Revocation information

OCSP Server: http://ocsp.comodoca.com
CRL Distribution Point: http://crl.comodoca.com/COMODORSADomainValidationSecureServerCA.crl

Check the revocation status for the current certificate on exchange.cse.ust.hk
3
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

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

exchange.cse.ust.hk
autodiscover.cse.ust.hk
csms07.win2k.cs.ust.hk

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFizCCBHOgAwIBAgIQFF+8xg3s7FGDaxj2Fq97QDANBgkqhkiG9w0BAQsFADCB kDELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxNjA0BgNV BAMTLUNPTU9ETyBSU0EgRG9tYWluIFZhbGlkYXRpb24gU2VjdXJlIFNlcnZlciBD QTAeFw0xNTA1MDYwMDAwMDBaFw0xNzAxMTMyMzU5NTlaMG0xITAfBgNVBAsTGERv bWFpbiBDb250cm9sIFZhbGlkYXRlZDEqMCgGA1UECxMhQ09NT0RPIFNTTCBVbmlm aWVkIENvbW11bmljYXRpb25zMRwwGgYDVQQDExNleGNoYW5nZS5jc2UudXN0Lmhr MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8pzbUMXLr1UoM5uQWTGM sGtQ06qFBTfmTps3pl1s5J+nncq92rfflyF9RcmPpuOhJB9S26QC7PSEFlfyRri6 hocUY4BibOVScN9jA7B7HWm+MfGE5/UJdMfGEX8Z0iN4m42LrXQ2w+0peQStuAye yr/5n5ZLcs760k17uABEASkVRccEIk7Z1sMhoDs0CwDxmnaDuIR4l19H6iu8atLO /cQo+OtljuA/9NOg4zF2R8lJ8z19tZFX+2I2HlO7zvdKnjSkedNVlvcNdVDeGArr jrCY5FazaezrGO4XElHm6BCDT7OKltdYyRo/oIfnMnBMAYyfrVA5BjncNnWY2GIp sQIDAQABo4ICATCCAf0wHwYDVR0jBBgwFoAUkK9qOpRaC9iQ6hJWc99DtDoo2ucw HQYDVR0OBBYEFCD+CBF8oSIP/m9tdv1122jBLwxWMA4GA1UdDwEB/wQEAwIFoDAM BgNVHRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjBPBgNV HSAESDBGMDoGCysGAQQBsjEBAgIHMCswKQYIKwYBBQUHAgEWHWh0dHBzOi8vc2Vj dXJlLmNvbW9kby5jb20vQ1BTMAgGBmeBDAECATBUBgNVHR8ETTBLMEmgR6BFhkNo dHRwOi8vY3JsLmNvbW9kb2NhLmNvbS9DT01PRE9SU0FEb21haW5WYWxpZGF0aW9u U2VjdXJlU2VydmVyQ0EuY3JsMIGFBggrBgEFBQcBAQR5MHcwTwYIKwYBBQUHMAKG Q2h0dHA6Ly9jcnQuY29tb2RvY2EuY29tL0NPTU9ET1JTQURvbWFpblZhbGlkYXRp b25TZWN1cmVTZXJ2ZXJDQS5jcnQwJAYIKwYBBQUHMAGGGGh0dHA6Ly9vY3NwLmNv bW9kb2NhLmNvbTBPBgNVHREESDBGghNleGNoYW5nZS5jc2UudXN0LmhrghdhdXRv ZGlzY292ZXIuY3NlLnVzdC5oa4IWY3NtczA3LndpbjJrLmNzLnVzdC5oazANBgkq hkiG9w0BAQsFAAOCAQEAEQmKpb4gcGpMt6anxp8IL3KKzmmPHPsBiojU7pixEKtT oj3PHdoTRJkZo2UHtukbFSfiYgmRR1xRc8f6+TSkxYWAjQ1JH94SsKAEQXssiR83 hcdCEXVh/kTpkeWlu5mDoP/2Bhl8rf5YtreX/rkZsSUrx6bacSfYJvJazW9rJ8XU S5pZOqGjr+Nmf4UYHuxAAc6peLCLSvipz425E+fh1EFGGCwzC9kX5h8xh1PIRHu5 7LTknGaSBH0OYlh6ZrnfCHRmt7cjdsZ6vCZaK54Jzxd76Kl9efJaPwDu4QpAHLL+ m4Ho1wZGPVvxbpTy1ISl4D9Iw3hgzCN1TYuJ1MaY5A== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8pzbUMXLr1UoM5uQWTGM sGtQ06qFBTfmTps3pl1s5J+nncq92rfflyF9RcmPpuOhJB9S26QC7PSEFlfyRri6 hocUY4BibOVScN9jA7B7HWm+MfGE5/UJdMfGEX8Z0iN4m42LrXQ2w+0peQStuAye yr/5n5ZLcs760k17uABEASkVRccEIk7Z1sMhoDs0CwDxmnaDuIR4l19H6iu8atLO /cQo+OtljuA/9NOg4zF2R8lJ8z19tZFX+2I2HlO7zvdKnjSkedNVlvcNdVDeGArr jrCY5FazaezrGO4XElHm6BCDT7OKltdYyRo/oIfnMnBMAYyfrVA5BjncNnWY2GIp sQIDAQAB -----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 27081656901750518024417539633921882944 . . . . . . . . [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 'COMODO CA 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 'COMODO RSA Domain Validation Secure Server CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-05-06 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-01-13 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 2.5.4.11 (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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'COMODO SSL Unified Communications' . . . . . . . . . . . . [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 'exchange.cse.ust.hk' . . . . . . . . [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 30627018724002754471063355389174092061925503892914599793364846488896377821095758530037989747735834060789245595215871806435402285177138821578330741766988995664252443046026189281158586554230175898008834256202193745320330747772719943437031238020504073249434392784756092047369214120133987021795775353555923830170400442427566549364070791084834440066702879985181650777458925893763633498325305943488774124274583695922696539235837839365798206402227688772746982087107580933220825954796351319179383347199963452077352415128244619443317281901178392628668000756373767936373164714579917897054335124489247708329099295839695170316721 . . . . . . . . . . . . . . . . . . . . [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 90af6a3a945a0bd890ea125673df43b43a28dae7 . . . . . . . . . . . . . . . . [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) 20fe08117ca1220ffe6f6d76fd75db68c12f0c56 . . . . . . . . . . . . . . . . [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 (72 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://secure.comodo.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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (77 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.comodoca.com/COMODORSADomainValidationSecureServerCA.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 (121 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.comodoca.com/COMODORSADomainValidationSecureServerCA.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.comodoca.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 (72 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'exchange.cse.ust.hk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.cse.ust.hk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'csms07.win2k.cs.ust.hk' . . . . [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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