owmail.udmo.com

Issued by Starfield Secure Certification Authority

About this certificate


This digital certificate with serial number 2a:ff:9d:4e:6d:ca:e6 was issued on by Starfield Technologies, Inc. .

With 6 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.

owmail.udmo.com

Organization unit: Domain Control Validated

Starfield Technologies, Inc.

Company registration number: 10688435
Organization: Starfield Technologies, Inc.
Organization unit: http://certificates.starfieldtech.com/repository

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 2a:ff:9d:4e:6d:ca:e6
Serial Number (int): 12103000112614118
Serial Number lenght: 54 bits, 7 octets

SubjectKeyId: 10:3d:cf:75:d1:90:56:56:c7:3a:6e:dc:25:b4:ca:90:f9:eb:7f:38
AuthorityKeyId: 49:4b:52:27:d1:1b:bc:f2:a1:21:6a:62:7b:51:42:7a:8a:d7:d5:56

Fingerprint (sha1): 9b:41:8d:a4:99:76:fe:74:b5:17:88:0d:5e:34:db:87:4e:4d:cb:54
Fingerprint (sha256): ce:5a:71:cb:75:6d:82:41:f0:71:a1:46:0e:4c:85:8e:15:9b:cb:e8:8c:6f:c2:92:ae:cc:76:4c:60:0e:ea:29

Issuing Certificate URL: http://certificates.starfieldtech.com/repository/sf_intermediate.crt

Revocation information

OCSP Server: http://ocsp.starfieldtech.com/
CRL Distribution Point: http://crl.starfieldtech.com/sfs1-25.crl

Check the revocation status for the current certificate on owmail.udmo.com
6
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

owmail.udmo.com
www.owmail.udmo.com
autodiscover.local.udmo.com
exchange.local.udmo.com
owmail.local.udmo.com
www.udmo.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIF1jCCBL6gAwIBAgIHKv+dTm3K5jANBgkqhkiG9w0BAQUFADCB3DELMAkGA1UE BhMCVVMxEDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxJTAj BgNVBAoTHFN0YXJmaWVsZCBUZWNobm9sb2dpZXMsIEluYy4xOTA3BgNVBAsTMGh0 dHA6Ly9jZXJ0aWZpY2F0ZXMuc3RhcmZpZWxkdGVjaC5jb20vcmVwb3NpdG9yeTEx MC8GA1UEAxMoU3RhcmZpZWxkIFNlY3VyZSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0 eTERMA8GA1UEBRMIMTA2ODg0MzUwHhcNMTMwNzA1MTYyMTIxWhcNMTQwODExMTU1 MTUyWjA9MSEwHwYDVQQLExhEb21haW4gQ29udHJvbCBWYWxpZGF0ZWQxGDAWBgNV BAMTD293bWFpbC51ZG1vLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBAIoyqBeJoePrYENmHUaHLB2pSxxXUus6vNuSfADzP7CDw1Zkn9lfy7hPHcqa zGRT37U1gyUHboThKxYVysiEPqg7R69GyA9GGvsvJUpiCHrVaL7FovtsBy1LmgeI FjLNWB5WUd7fO5SJfollFm0eXJQc6yPFdxmmLD0pHwRzxu1fn6o3gR5h43rMjQ91 lfZNRZN1iWAtcvv4qXcl0oSyQ+/mazRpAMMdYQ3MQCMTjOzXjxP6MUEw3X7bKNyE rhkfuzq79SYVTDW9dxf2V/k8Mea15nsCxQslitUkeUSLa2cNkBL69/l1MZzdtXGn Q3cpYhG3bwVwOVGFsq3RTrvvhqcCAwEAAaOCAjkwggI1MA8GA1UdEwEB/wQFMAMB AQAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMA4GA1UdDwEB/wQEAwIF oDA5BgNVHR8EMjAwMC6gLKAqhihodHRwOi8vY3JsLnN0YXJmaWVsZHRlY2guY29t L3NmczEtMjUuY3JsMFkGA1UdIARSMFAwTgYLYIZIAYb9bgEHFwEwPzA9BggrBgEF BQcCARYxaHR0cDovL2NlcnRpZmljYXRlcy5zdGFyZmllbGR0ZWNoLmNvbS9yZXBv c2l0b3J5LzCBjQYIKwYBBQUHAQEEgYAwfjAqBggrBgEFBQcwAYYeaHR0cDovL29j c3Auc3RhcmZpZWxkdGVjaC5jb20vMFAGCCsGAQUFBzAChkRodHRwOi8vY2VydGlm aWNhdGVzLnN0YXJmaWVsZHRlY2guY29tL3JlcG9zaXRvcnkvc2ZfaW50ZXJtZWRp YXRlLmNydDAfBgNVHSMEGDAWgBRJS1In0Ru88qEhamJ7UUJ6itfVVjCBjAYDVR0R BIGEMIGBgg9vd21haWwudWRtby5jb22CE3d3dy5vd21haWwudWRtby5jb22CG2F1 dG9kaXNjb3Zlci5sb2NhbC51ZG1vLmNvbYIXZXhjaGFuZ2UubG9jYWwudWRtby5j b22CFW93bWFpbC5sb2NhbC51ZG1vLmNvbYIMd3d3LnVkbW8uY29tMB0GA1UdDgQW BBQQPc910ZBWVsc6btwltMqQ+et/ODANBgkqhkiG9w0BAQUFAAOCAQEAKnc7TryV Tcsgt7XpDQ2FZOuXT8y2hwCRk+e4yKQuAw5OYg3Qw5LKLHDbAIVelOXiDRkqQsi7 TZYrKUZuiG9qaT9QLLFxKA9v9RLtgSnBnDLq1369m58dY0s7MHluYtgwVXycRy1a 2Am9hD9+q/nEU8L954yV7ANPAJQbgiu1o7MssDzuFTRTQUJPJUrtTgTwgFS6SYft qQ0k7OqyqgS77AD/Xp09caOKIYZC8kk2bXJO8xBzsAA1rGI87zPDSDrtdlrtBaWt kNAMubPimONemv4IJx4Kh/1dMpcuJaDh1spdlSSGk6F6DU/t6CKE1ZHjafau9wkZ PCcWr/+RY2ObwQ== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAijKoF4mh4+tgQ2YdRocs HalLHFdS6zq825J8APM/sIPDVmSf2V/LuE8dyprMZFPftTWDJQduhOErFhXKyIQ+ qDtHr0bID0Ya+y8lSmIIetVovsWi+2wHLUuaB4gWMs1YHlZR3t87lIl+iWUWbR5c lBzrI8V3GaYsPSkfBHPG7V+fqjeBHmHjesyND3WV9k1Fk3WJYC1y+/ipdyXShLJD 7+ZrNGkAwx1hDcxAIxOM7NePE/oxQTDdftso3ISuGR+7Orv1JhVMNb13F/ZX+Twx 5rXmewLFCyWK1SR5RItrZw2QEvr3+XUxnN21cadDdyliEbdvBXA5UYWyrdFOu++G pwIDAQAB -----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 12103000112614118 . . . . . . . . [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 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Arizona' . . . . . . . . . . . . [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 'Scottsdale' . . . . . . . . . . . . [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 'Starfield Technologies, Inc.' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'http://certificates.starfieldtech.com/repository' . . . . . . . . . . . . [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 'Starfield Secure Certification Authority' . . . . . . . . . . . . [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 '10688435' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-07-05 16:21:21 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-08-11 15:51:52 +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 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'owmail.udmo.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 17445865790297108978893271573375015397109583230484042596181216827580099398847835988129043822139179238282227165568668863841809422881436466599311624659996320362104161668337134059817772962044832179839929717613444642481102058184907598927183856310577624941484799721586160300078993385414557170908589460660126803204415143000992963422246772407522060452166700693363255036974104320624286901673266526505403665426218563134095301200535956448688666855718027334808839268133243717781885027135217343150262589863462524025420274262582293954576501048413564590007552886781432370351251515108671395675734547976706655395877846374102430877351 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (5 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN false . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (50 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.starfieldtech.com/sfs1-25.crl' . . . . . . . . . . . . . . . . [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 (82 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.114414.1.7.23.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://certificates.starfieldtech.com/repository/' . . . . . . . . . . . . . . . . [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 (128 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://ocsp.starfieldtech.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://certificates.starfieldtech.com/repository/sf_intermediate.crt' . . . . . . . . . . . . . . . . [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 494b5227d11bbcf2a1216a627b51427a8ad7d556 . . . . . . . . . . . . . . . . [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 (132 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'owmail.udmo.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.owmail.udmo.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.local.udmo.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'exchange.local.udmo.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'owmail.local.udmo.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.udmo.com' . . . . . . . . . . . . . . . . [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) 103dcf75d1905656c73a6edc25b4ca90f9eb7f38 . . . . [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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