www.mhh-alumni.de

Issued by RapidSSL SHA256 CA - G4

About this certificate

This digital certificate with serial number 29:8f was issued on by GeoTrust Inc..

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)
  • Sub certificates SHOULD include Subject Key Identifier in end entity certs (RFC 5280: 4.2 & 4.2.1.2)

Certificate Subject

CN=www.mhh-alumni.de,OU=GT22670932+OU=See www.rapidssl.com/resources/cps (c)15+OU=Domain Control Validated - RapidSSL(R)

GeoTrust Inc.

Organization: GeoTrust Inc.
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 29:8f
Serial Number (int): 10639
Serial Number lenght: 14 bits, 2 octets

SubjectKeyId:
AuthorityKeyId: f3:b5:56:0c:c4:09:b0:b4:cf:1f:aa:f9:dd:23:56:f0:77:e8:a1:f9

Fingerprint (sha1): 41:a8:58:b2:aa:62:cc:0b:76:2c:97:8a:3a:36:32:88:50:e9:2c:a6
Fingerprint (sha256): a3:0b:5c:11:c1:98:d0:9d:4b:72:cb:17:58:40:4c:a6:22:5c:c0:d1:b0:3d:02:20:b2:de:8f:67:a8:f2:2a:c1

Issuing Certificate URL: http://gz.symcb.com/gz.crt

Revocation information

OCSP Server: http://gz.symcd.com
CRL Distribution Point: http://gz.symcb.com/gz.crl

Check the revocation status for certificate www.mhh-alumni.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.mhh-alumni.de

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.mhh-alumni.de
mhh-alumni.de

Other certificates including the domain name mhh-alumni.de

(limited to 100 certificates)
www.mhh-alumni.de
www.mhh-alumni.de
www.mhh-alumni.de
www.mhh-alumni.de
mhh-alumni.de

Certificate

The complete raw certificate details for www.mhh-alumni.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxEa2FhmMtA+bHaabnXzD
h3ctMBSV1z36N1/5cC0E6TeTSoHVJ+e/p5ozyxwhZeK6fk2DtV0kH0YRwJQaOtC+
6pSpXP1pmu59aUDk50D5GAw3MGzAppG11944G/1npE0HFaQ8izUF1TLFYHQQB/Xa
ANxPK4WQtPvB/UNV/aK2CFNdPZWcRZ2W308rOkAe1STMfjYMIR27kIcxelhgg87T
PaEskU8D0MXRPu2R0lKWgsaMuTBe30IBcbTejfhg9wMPDH1hm5PY6oqmq3iMIsTv
5kYN6+aYeiW6Uq/2kipUSSuH0JDNe3fmqOMmLCbyKs9Opg96WzEWkZLBwa9dxT3j
UQIDAQAB
-----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 10639
 . . . . . . . . [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 '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 'RapidSSL SHA256 CA - G4'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-10-15 11:09:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-10-16 13:02:59 +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 'GT22670932'
 . . . . . . . . . . . . [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 'See www.rapidssl.com/resources/cps (c)15'
 . . . . . . . . . . . . [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 - RapidSSL(R)'
 . . . . . . . . . . . . [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.mhh-alumni.de'
 . . . . . . . . [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 24777576802496579392733699237828345404049295228040993570635522564369520398381434377200668885912617017767882750007297632170286244032911958491670104269019994582917086326323412668617301723657574754336262847051070852481554239642470761298631409364667820180469422273388308376060724757681529819066046743412671764504524337613464373629100792493142318152766460926074066873208380053072088441271006551762171565766050682642865036058074664213841382962032472530264685967898073786749331023676476676402898548816215864866547937492926850802616648585275370507974542547417863424771076347552096986649797439050588517791195022501646637589329
 . . . . . . . . . . . . . . . . . . . . [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 f3b5560cc409b0b4cf1faaf9dd2356f077e8a1f9
 . . . . . . . . . . . . . . . . [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 (75 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://gz.symcd.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://gz.symcb.com/gz.crt'
 . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mhh-alumni.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mhh-alumni.de'
 . . . . . . . . . . . . . . . . [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 (36 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://gz.symcb.com/gz.crl'
 . . . . . . . . . . . . . . . . [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 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (58 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.rapidssl.com/legal'
 . . . . [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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