www.open.edu

Issued by TERENA SSL CA 2

About this certificate

This digital certificate with serial number 78:a0:5f:0e:1c:70:04:50:a5:4f:0a:b8:66:17:06:47 was issued on by TERENA.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This 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. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.open.edu,OU=Domain Control Validated

TERENA

Organization: TERENA
State / Province: Noord-Holland
Locality: Amsterdam
Country: NL

This certificate has expire since

Certificate Details

Serial Number (hex): 78:a0:5f:0e:1c:70:04:50:a5:4f:0a:b8:66:17:06:47
Serial Number (int): 160340054938463099621324437038531282503
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: 43:75:de:dd:f2:f4:c0:17:a0:98:1d:8f:20:e8:1a:f7:67:bd:ee:a1
AuthorityKeyId: 5b:d0:8a:1c:9a:32:5b:e0:b5:dd:96:54:1b:e1:86:28:b0:fd:b6:bd

Fingerprint (sha1): 74:d5:55:b1:a6:da:0c:95:60:65:6e:aa:39:44:16:a4:63:0a:79:c1
Fingerprint (sha256): 16:00:1d:8d:8a:98:85:b5:5e:33:34:17:c2:7d:22:09:10:f6:21:1d:c6:a9:9c:49:1a:e5:e0:e2:ae:d5:c1:c8

Issuing Certificate URL: http://crt.usertrust.com/TERENASSLCA2.crt

Revocation information

OCSP Server: http://ocsp.usertrust.com
CRL Distribution Point: http://crl.usertrust.com/TERENASSLCA2.crl

Check the revocation status for certificate www.open.edu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.open.edu

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

www.open.edu
open.edu

Other certificates including the domain name open.edu

(limited to 100 certificates)
player.open.edu
www-dev.open.edu
msds-acct.open.edu
www-internal.open.edu
www-internal.open.edu
openlearncreatelive.open.edu
www.open.edu
olclive-internal.open.edu
msds.open.edu
open.ac.uk
www-syst-external.open.edu
www.open.edu
stadium.open.ac.uk
olcsyst.open.edu
www-dev.open.edu
msds.open.edu
player.open.edu
msds.open.edu
www-nft-internal.open.edu
www-test.open.edu
www.open.edu
www.open.edu
www.open.edu
stadium.open.ac.uk
www-acct.open.edu
stadium.open.ac.uk
msds.open.edu
www.open.edu
msds.open.edu
stadium.open.ac.uk
stadium.open.ac.uk
msds-acct.open.edu
stadium.open.ac.uk
www-internal.open.edu
msds-test.open.edu
olcsyst-internal.open.edu
msds.open.edu
msds.open.edu
www.open.edu
player.open.edu
stadium.open.ac.uk
cdn-nft.open.edu
www-nft.open.edu
openlearnacct-internal.open.edu
msds-acct.open.edu
stadium.open.ac.uk
openlearncreateacct-internal.open.edu
player.open.edu
msds-acct.open.edu
open.ac.uk
www-syst.open.edu
www-syst.open.edu
www.open.edu
stadium.open.ac.uk
www-syst-internal.open.edu
stadium.open.ac.uk
msds.open.edu
stadium.open.ac.uk
msds-acct.open.edu
www-acct.open.edu
www.open.edu
openlearnacct-internal.open.edu
www-test.open.edu
player.open.edu
player.open.edu
msds.open.edu
msds.open.edu
www.open.edu

Certificate

The complete raw certificate details for www.open.edu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEnDCCA4SgAwIBAgIQeKBfDhxwBFClTwq4ZhcGRzANBgkqhkiG9w0BAQsFADBk
MQswCQYDVQQGEwJOTDEWMBQGA1UECBMNTm9vcmQtSG9sbGFuZDESMBAGA1UEBxMJ
QW1zdGVyZGFtMQ8wDQYDVQQKEwZURVJFTkExGDAWBgNVBAMTD1RFUkVOQSBTU0wg
Q0EgMjAeFw0xNTAzMTkwMDAwMDBaFw0xODAzMTgyMzU5NTlaMDoxITAfBgNVBAsT
GERvbWFpbiBDb250cm9sIFZhbGlkYXRlZDEVMBMGA1UEAxMMd3d3Lm9wZW4uZWR1
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwmEp16ha7c2pw8wT9XW6
c8th1+sBvTf29J7/ckojJg3uoMNxGfaf1XyhtrYMeclU5gsfpgUQNjfCETgyPqJV
WyFys6JyMqS92WbjK8dLBssZMf7Hw1XTEWqHBiOlNF+spUhsRfKBZyjGrN8122Fq
DqwsVZA6AXjTx9kch0sByaJ2kHqb/Ne1CTMOEwYsrpf0iMRk2fv/ma6SHEgbAgQ4
ePAXvdxLFhVvnfsVYnOMdf1ptVfw+6xK8EH07v3/lleCGKHeFKN22gLYyAGrIVJu
NrVujKw84dA497YQ2e4mm6o3VRQ6eLT5mF2NX9YAqqaHCnHJfMQrV1XCiKspJ096
fwIDAQABo4IBcjCCAW4wHwYDVR0jBBgwFoAUW9CKHJoyW+C13ZZUG+GGKLD9tr0w
HQYDVR0OBBYEFEN13t3y9MAXoJgdjyDoGvdnve6hMA4GA1UdDwEB/wQEAwIFoDAM
BgNVHRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAiBgNV
HSAEGzAZMA0GCysGAQQBsjEBAgIdMAgGBmeBDAECATA6BgNVHR8EMzAxMC+gLaAr
hilodHRwOi8vY3JsLnVzZXJ0cnVzdC5jb20vVEVSRU5BU1NMQ0EyLmNybDBsBggr
BgEFBQcBAQRgMF4wNQYIKwYBBQUHMAKGKWh0dHA6Ly9jcnQudXNlcnRydXN0LmNv
bS9URVJFTkFTU0xDQTIuY3J0MCUGCCsGAQUFBzABhhlodHRwOi8vb2NzcC51c2Vy
dHJ1c3QuY29tMCEGA1UdEQQaMBiCDHd3dy5vcGVuLmVkdYIIb3Blbi5lZHUwDQYJ
KoZIhvcNAQELBQADggEBAIbmX8b+kSxIokFovG54EKopFE5GwtgrykoLGax78pK+
0Mdr9vo7uXXt6jIwniUUg/gVnEDg0loqB7WdGQHF5oayst6DygBc0uwyhN2rbstE
fp3iFbEUAkuvX4H13icRtNra69lXpP6+yHWrhfWXb8RwNZz/hKMBjKw5xkiyYYCl
puO1CKHxZH+IzW35UwxRi9p/TqyrWMk/8fypTKHBhC5iDS4f8BTCpb2j0FL3UuDJ
YsKBM+VdUSCpC2hAuIZsxtuuAwWDqqSc++DRLfXSJU6FaRjbyhV2hfGrpe5Cuicz
kucCEajj5pbfxuTFtUvguKF/MWlgS7RnUKqOCKD2Lhs=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwmEp16ha7c2pw8wT9XW6
c8th1+sBvTf29J7/ckojJg3uoMNxGfaf1XyhtrYMeclU5gsfpgUQNjfCETgyPqJV
WyFys6JyMqS92WbjK8dLBssZMf7Hw1XTEWqHBiOlNF+spUhsRfKBZyjGrN8122Fq
DqwsVZA6AXjTx9kch0sByaJ2kHqb/Ne1CTMOEwYsrpf0iMRk2fv/ma6SHEgbAgQ4
ePAXvdxLFhVvnfsVYnOMdf1ptVfw+6xK8EH07v3/lleCGKHeFKN22gLYyAGrIVJu
NrVujKw84dA497YQ2e4mm6o3VRQ6eLT5mF2NX9YAqqaHCnHJfMQrV1XCiKspJ096
fwIDAQAB
-----END PUBLIC KEY-----

ASN.1 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 160340054938463099621324437038531282503
 . . . . . . . . [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 'NL'
 . . . . . . . . . . . . [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 'Noord-Holland'
 . . . . . . . . . . . . [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 'Amsterdam'
 . . . . . . . . . . . . [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 'TERENA'
 . . . . . . . . . . . . [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 'TERENA SSL CA 2'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-03-19 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-03-18 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 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.open.edu'
 . . . . . . . . [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 24538144244838793940635396012644174040984874388936316971908854807231582410053549656330663156918340154472454017194270624020492871789929083749542597146400219624375948628849746800432804640523440391375712896534838708414539653926787325616977026642599275100917970228591005574922778530141635330028379877270950211595620882709653748936846194304774782089152226105885495203150794751821283493489873707634851383679606935390727156263297932135725175113656542742965760130790927879935958143424004486598978385463613259908840798206268189978021540818380373195650582274486185134908226549178143695026071395076821101670730809356572095904383
 . . . . . . . . . . . . . . . . . . . . [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 5bd08a1c9a325be0b5dd96541be18628b0fdb6bd
 . . . . . . . . . . . . . . . . [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)
							4375deddf2f4c017a0981d8f20e81af767bdeea1
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.29
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (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://crl.usertrust.com/TERENASSLCA2.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 (96 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.usertrust.com/TERENASSLCA2.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.usertrust.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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.open.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'open.edu'
 . . . . [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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