mail2.grayinstitute.com

Issued by GeoTrust SSL CA

About this certificate


This digital certificate with serial number 01:9a:a9 was issued on by GeoTrust, Inc. .

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: businessCategory is required for [EV] certificates
  • ERROR: jurisdictionCountryName is required for [EV] certificates

Gray Institute

Company registration number: -Ttcrjz1mvyeOIieyCj-ePgx5DMcv2an
Organization: Gray Institute
Organization unit: IT
State / Province: Michigan
Locality: Adrian
Country: US

GeoTrust, Inc.

Organization: GeoTrust, Inc.
State / Province: Michigan
Locality: Adrian
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:9a:a9
Serial Number (int): 105129
Serial Number lenght: 17 bits, 3 octets

SubjectKeyId: 37:b9:4c:3a:7c:05:cf:94:39:c2:de:bc:d3:50:d0:3a:e3:1f:6a:30
AuthorityKeyId: 42:79:54:1b:61:cd:55:2b:3e:63:d5:3c:48:57:f5:9f:fb:45:ce:4a

Fingerprint (sha1): 43:1e:28:6f:f4:59:0f:a9:56:b3:7e:c6:54:e1:66:c0:34:cb:a9:4b
Fingerprint (sha256): e5:ea:b4:b6:9b:74:77:3d:b0:18:3d:cb:a7:66:ac:37:14:19:ba:81:52:ce:ce:1c:ea:3e:2d:4e:81:f9:83:eb

Issuing Certificate URL: http://gtssl-aia.geotrust.com/gtssl.crt

Revocation information

OCSP Server: http://gtssl-ocsp.geotrust.com
CRL Distribution Point: http://gtssl-crl.geotrust.com/crls/gtssl.crl

Check the revocation status for the current certificate on mail2.grayinstitute.com
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
Data 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: mail2.grayinstitute.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFBzCCA++gAwIBAgIDAZqpMA0GCSqGSIb3DQEBBQUAMEAxCzAJBgNVBAYTAlVT MRcwFQYDVQQKEw5HZW9UcnVzdCwgSW5jLjEYMBYGA1UEAxMPR2VvVHJ1c3QgU1NM IENBMB4XDTEyMDgxMjA3NTM0NFoXDTE2MTExMzEzMDM0MlowgaQxKTAnBgNVBAUT IC1UdGNyanoxbXZ5ZU9JaWV5Q2otZVBneDVETWN2MmFuMQswCQYDVQQGEwJVUzER MA8GA1UECBMITWljaGlnYW4xDzANBgNVBAcTBkFkcmlhbjEXMBUGA1UEChMOR3Jh eSBJbnN0aXR1dGUxCzAJBgNVBAsTAklUMSAwHgYDVQQDExdtYWlsMi5ncmF5aW5z dGl0dXRlLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALLg+FBb K3HoqRpjyfJAiXBKX6IaoMKdwV2EsurAuCGhyAaQv7KAQSRuqZKyNKsAy/+pHgjq SRZcLhRlUOVvtrOf466aYMWzEkilywmHdIKDGX83591lXltKmrqEoCO2A9+TO0L4 oqWGnRxOmKI4n5tycXDXELbxhMFWEMN/4i2TEJL7VnUpuaY9cEtPwbHpEC1eHROe ahUOz4pHCrehmMp/j7RpDjsyW/0hXmUE/ekn5dkmivSc2Fm3mOulN9ICeMTmkgNg Fbu3TEf8/i5jH4K15A8yxBpsR5rG8wVX3Op60y/akuyJiagB2kAto/uoeSTNi2/V P7fOQcBy5V4XXDkCAwEAAaOCAaMwggGfMB8GA1UdIwQYMBaAFEJ5VBthzVUrPmPV PEhX9Z/7Rc5KMA4GA1UdDwEB/wQEAwIEsDAdBgNVHSUEFjAUBggrBgEFBQcDAQYI KwYBBQUHAwIwIgYDVR0RBBswGYIXbWFpbDIuZ3JheWluc3RpdHV0ZS5jb20wPQYD VR0fBDYwNDAyoDCgLoYsaHR0cDovL2d0c3NsLWNybC5nZW90cnVzdC5jb20vY3Js cy9ndHNzbC5jcmwwHQYDVR0OBBYEFDe5TDp8Bc+UOcLevNNQ0DrjH2owMAwGA1Ud EwEB/wQCMAAwbwYIKwYBBQUHAQEEYzBhMCoGCCsGAQUFBzABhh5odHRwOi8vZ3Rz c2wtb2NzcC5nZW90cnVzdC5jb20wMwYIKwYBBQUHMAKGJ2h0dHA6Ly9ndHNzbC1h aWEuZ2VvdHJ1c3QuY29tL2d0c3NsLmNydDBMBgNVHSAERTBDMEEGCmCGSAGG+EUB BzYwMzAxBggrBgEFBQcCARYlaHR0cDovL3d3dy5nZW90cnVzdC5jb20vcmVzb3Vy Y2VzL2NwczANBgkqhkiG9w0BAQUFAAOCAQEAZRQ6643HR08qPWj1geNgCqgOMh9p pO3YpJkws/8FmmYah5PwyY3Gh94nrdEhPvA1cQGDk0kxkND8Emu9mYQZ5Ope8yL4 rcFVY2oQTQ1QShNIxzMWxijDb7dc3y3RR0HL6AqnPNW0XIMwMGK4AFNk5dH1eWre jNaLUkj0WE6c+cFid7tloFsSPePKx0j7+pIi3tOwTb2ZXWY3wkHJ1q/oJuJ7vUhK FW/hyo9UHEw+QdXQsHq2lpVQscpHD5JD+6XTiimzgVqnEWBEU15S+mKBb/q+0MRt YOCQnH710T/Yt/E6UQMwDaE50J/8bHe0t8HEtGAJx1Btr06gdlZDjuQthw== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsuD4UFsrceipGmPJ8kCJ cEpfohqgwp3BXYSy6sC4IaHIBpC/soBBJG6pkrI0qwDL/6keCOpJFlwuFGVQ5W+2 s5/jrppgxbMSSKXLCYd0goMZfzfn3WVeW0qauoSgI7YD35M7QviipYadHE6Yojif m3JxcNcQtvGEwVYQw3/iLZMQkvtWdSm5pj1wS0/BsekQLV4dE55qFQ7PikcKt6GY yn+PtGkOOzJb/SFeZQT96Sfl2SaK9JzYWbeY66U30gJ4xOaSA2AVu7dMR/z+LmMf grXkDzLEGmxHmsbzBVfc6nrTL9qS7ImJqAHaQC2j+6h5JM2Lb9U/t85BwHLlXhdc OQIDAQAB -----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 105129 . . . . . . . . [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 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'GeoTrust, Inc.' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'GeoTrust SSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-08-12 07:53:44 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-11-13 13:03:42 +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 2.5.4.5 (serialNumber) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString '-Ttcrjz1mvyeOIieyCj-ePgx5DMcv2an' . . . . . . . . . . . . [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 'Michigan' . . . . . . . . . . . . [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 'Adrian' . . . . . . . . . . . . [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 'Gray Institute' . . . . . . . . . . . . [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 'IT' . . . . . . . . . . . . [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 'mail2.grayinstitute.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 22581355113863992328133899855392184432918539250891325054123730785435559316497679792330640664399941794190662490776051370391595413910270429900270493907951882206321960087633341081142990484036208604437429867894346770771799457809812684442082860474945825887436665808238403717290747950451211606660656847923720735039427785688019289251482014550024328400759168146478988806965331614131201291915316098923970719988553102615984489892589555571749900244593151442885677701297938004216159343713582251971249817859233313847215082849722972631425524342871526314631362413353718789988363478377115262786153925179805326051847010685560307539001 . . . . . . . . . . . . . . . . . . . . [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 4279541b61cd552b3e63d53c4857f59ffb45ce4a . . . . . . . . . . . . . . . . [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 (4 bits) 04b0 . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (27 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail2.grayinstitute.com' . . . . . . . . . . . . . . . . [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 (54 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://gtssl-crl.geotrust.com/crls/gtssl.crl' . . . . . . . . . . . . . . . . [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) 37b94c3a7c05cf9439c2debcd350d03ae31f6a30 . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 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://gtssl-ocsp.geotrust.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://gtssl-aia.geotrust.com/gtssl.crt' . . . . . . . . . . . . . . . . [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 2.16.840.1.113733.1.7.54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://www.geotrust.com/resources/cps' . . . . [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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