www.katsci.com

Issued by AlphaSSL CA - G2

About this certificate


This digital certificate with serial number 11:21:40:60:6e:92:6a:70:85:1f:21:47:72:12:30:79:2c:75 was issued on by AlphaSSL .

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.

www.katsci.com

Organization unit: Domain Control Validated
Country: US

AlphaSSL

Organization: AlphaSSL
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 11:21:40:60:6e:92:6a:70:85:1f:21:47:72:12:30:79:2c:75
Serial Number (int): 1492223750243209125814364024805113462336629
Serial Number lenght: 141 bits, 18 octets

SubjectKeyId: b5:09:88:2d:85:66:23:5d:4c:4a:b6:fa:58:5c:6e:cf:4b:cd:1d:cb
AuthorityKeyId: 14:ea:19:55:f0:0e:0d:32:c6:1f:74:33:b7:8e:66:1a:4c:12:31:1e

Fingerprint (sha1): b5:35:6c:6b:a4:7a:eb:67:b6:3f:1b:d1:7f:f5:ef:a2:4a:87:96:2f
Fingerprint (sha256): ef:84:2a:da:4c:10:b7:9e:d6:d2:f1:d1:6f:d0:ca:9a:2f:e8:81:a6:5b:4f:78:ea:bb:5d:fd:5f:b9:88:50:a1

Issuing Certificate URL: http://secure2.alphassl.com/cacert/gsalphag2.crt

Revocation information

OCSP Server: http://ocsp2.globalsign.com/gsalphag2
CRL Distribution Point: http://crl2.alphassl.com/gs/gsalphag2.crl

Check the revocation status for the current certificate on www.katsci.com
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

www.katsci.com
katsci.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIEsjCCA5qgAwIBAgISESFAYG6SanCFHyFHchIweSx1MA0GCSqGSIb3DQEBBQUA MC4xETAPBgNVBAoTCEFscGhhU1NMMRkwFwYDVQQDExBBbHBoYVNTTCBDQSAtIEcy MB4XDTE0MDcxMDIzNDM0NloXDTE1MTAyNzE1NTgzOVowSTELMAkGA1UEBhMCVVMx ITAfBgNVBAsTGERvbWFpbiBDb250cm9sIFZhbGlkYXRlZDEXMBUGA1UEAwwOd3d3 LmthdHNjaS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC1xj7L JO1EHlPkcz1UzfesPBSm41c1rgTUuC02+aGaTXA4UzR+NSlyyTgSh16Yo7y7owuZ NQ1F5iR2XwLw7IXqd9C7UaLhzaiXcab7bILpE8WCob/T9nV9TJnSSskkaExmnUjx fJKMsCeyfrSYxCbuh/3885a9NJGij14jQrnWDWjkeRCeIr3lnWrXH53DGQAIDMQF NPKYF0AjYSBVWqNg77lBOVTu6CCHhcgwRuVBDZ+Q0sI6geShNS8WjkiXpRoIdcUd /yp7fgZLAZqaEDOEQgI3MepUdWlb4nrqZYlie3dPdJt4PC17xDjvJXQkBTceviK8 KBea5Ya8rrbxh9EXAgMBAAGjggGtMIIBqTAOBgNVHQ8BAf8EBAMCBaAwSQYDVR0g BEIwQDA+BgZngQwBAgEwNDAyBggrBgEFBQcCARYmaHR0cHM6Ly93d3cuZ2xvYmFs c2lnbi5jb20vcmVwb3NpdG9yeS8wJQYDVR0RBB4wHIIOd3d3LmthdHNjaS5jb22C CmthdHNjaS5jb20wCQYDVR0TBAIwADAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwOgYDVR0fBDMwMTAvoC2gK4YpaHR0cDovL2NybDIuYWxwaGFzc2wuY29t L2dzL2dzYWxwaGFnMi5jcmwwfwYIKwYBBQUHAQEEczBxMDwGCCsGAQUFBzAChjBo dHRwOi8vc2VjdXJlMi5hbHBoYXNzbC5jb20vY2FjZXJ0L2dzYWxwaGFnMi5jcnQw MQYIKwYBBQUHMAGGJWh0dHA6Ly9vY3NwMi5nbG9iYWxzaWduLmNvbS9nc2FscGhh ZzIwHQYDVR0OBBYEFLUJiC2FZiNdTEq2+lhcbs9LzR3LMB8GA1UdIwQYMBaAFBTq GVXwDg0yxh90M7eOZhpMEjEeMA0GCSqGSIb3DQEBBQUAA4IBAQAi2jxqfzp55bAp MgYoCs2EnZRK3SRW9iPbokPArG8vhvvbpYQFcA7jFq4OHR5NQ9jhoXgVN7wpqsJD FvTxayxut0wfqC08yu5KE6GBtP2XWForSsF5zVz1hvv0TNB2w/GJU6X/xj3lM6uV 4DC1mJcJH/Jo+YVi8rbl4yVBbVACTRmS7f2vUwB7Fg/jt3fL37UxbgkSjW6kwCca 8KDkradg0ixcjUzgaGIIgUu60PQQhG0duZKjNtJg5gZjbYl8xIHHE21rn7ymLbru EKJZCYRIfBXvj4vKQZziVFD+O+HFiPNaOA3qHBuGBLmmKiYt3yqLixKtuH5G0Ani wDCbmzOl -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtcY+yyTtRB5T5HM9VM33 rDwUpuNXNa4E1LgtNvmhmk1wOFM0fjUpcsk4EodemKO8u6MLmTUNReYkdl8C8OyF 6nfQu1Gi4c2ol3Gm+2yC6RPFgqG/0/Z1fUyZ0krJJGhMZp1I8XySjLAnsn60mMQm 7of9/POWvTSRoo9eI0K51g1o5HkQniK95Z1q1x+dwxkACAzEBTTymBdAI2EgVVqj YO+5QTlU7uggh4XIMEblQQ2fkNLCOoHkoTUvFo5Il6UaCHXFHf8qe34GSwGamhAz hEICNzHqVHVpW+J66mWJYnt3T3SbeDwte8Q47yV0JAU3Hr4ivCgXmuWGvK628YfR FwIDAQAB -----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 1492223750243209125814364024805113462336629 . . . . . . . . [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 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'AlphaSSL' . . . . . . . . . . . . [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 'AlphaSSL CA - G2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-07-10 23:43:46 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-10-27 15:58:39 +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 2.5.4.11 (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:12|false] UTF8String 'www.katsci.com' . . . . . . . . [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 22946891593497547223712785051235704876889883499407236578392089631036497239141964483825691341227322037935656737995360485545778821931481526954476166198368423660468527032460264624144823744610801544456734305425478040231100605865266699725212431554605751852955825697845249266900803349994929564125490171988881760176418473303832768486934627538686124864371491444038360272615396868262208335643917014952483131349503701534510776853909751276506084815634813957018009071635145498344355000250900305826204466442021947479723761584543507447185381630512714489093085578364615443661210158885756870684748708891158403745982146180472849813783 . . . . . . . . . . . . . . . . . . . . [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 (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 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (30 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.katsci.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'katsci.com' . . . . . . . . . . . . . . . . [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 (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://crl2.alphassl.com/gs/gsalphag2.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 (115 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://secure2.alphassl.com/cacert/gsalphag2.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/gsalphag2' . . . . . . . . . . . . . . . . [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) b509882d8566235d4c4ab6fa585c6ecf4bcd1dcb . . . . . . . . . . . . . . . . [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 14ea1955f00e0d32c61f7433b78e661a4c12311e . . . . [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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