DV SSL/TLS Certificate for www.gutachter-koepke.de

Certificate is witin its validity period

Issued by Google Trust Services (WE1)

About the www.gutachter-koepke.de DV SSL/TLS Certificate

This certificate with serial number b7:f7:7a:b1:e2:a8:aa:a7:0d:2e:92:d6:53:f5:6f:33 for www.gutachter-koepke.de was issued on by Google Trust Services.

This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for www.gutachter-koepke.de provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Google Trust Services

Organization: Google Trust Services
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): b7:f7:7a:b1:e2:a8:aa:a7:0d:2e:92:d6:53:f5:6f:33
Serial Number (int): 244533709100201635335400649649540132659
Serial Number Length: 128 bits, 16 octets

Subject Key Identifier: 31:c9:1a:0f:cf:27:66:19:fa:9e:0d:bf:12:88:a3:da:f1:12:36:81
Authority Key Identifier: 90:77:92:35:67:c4:ff:a8:cc:a9:e6:7b:d9:80:79:7b:cc:93:f9:38

Fingerprint (SHA-1): bc:0c:b9:1e:bc:b0:45:2d:99:a3:cf:02:9c:4a:7f:d6:b5:d9:64:9e
Fingerprint (SHA-256): d2:9d:98:14:c9:1e:c9:83:6f:54:0d:d3:a5:a0:1e:1b:22:c8:21:44:07:34:21:49:00:3c:25:80:a5:38:1f:3c

Issuing Certificate URL: http://i.pki.goog/we1.crt

Revocation Information

OCSP Server: http://o.pki.goog/s/we1/t_c
CRL Distribution Point: http://c.pki.goog/we1/pVHkAbbILwY.crl

Check the revocation status for certificate www.gutachter-koepke.de
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.gutachter-koepke.de

Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
ECDSA with SHA256
Key Usage
Digital Signature
Extended Key Usages
Server Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

www.gutachter-koepke.de

X.509 Certificate

The complete raw X.509 certificate details for www.gutachter-koepke.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEc2ny4+i8TkafOdiQ663e1RparLeH
Dmq2hNqHa6TWMrmXxIqwZdbZXpGORny9lBjUb/3RXiAM9UT8VLfkTHg0Aw==
-----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 244533709100201635335400649649540132659
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.2
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Google Trust Services'
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'WE1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-23 08:29:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-21 09:29:01 +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 2.5.4.3
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.gutachter-koepke.de'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00047369f2e3e8bc4e469f39d890ebadded51a5aacb7870e6ab684da876ba4d632b997c48ab065d6d95e918e467cbd9418d46ffdd15e200cf544fc54b7e44c783403
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (1 bits)
							0780
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							31c91a0fcf276619fa9e0dbf1288a3daf1123681
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 9077923567c4ffa8cca9e67bd980797bcc93f938
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.48.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://o.pki.goog/s/we1/t_c'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://i.pki.goog/we1.crt'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gutachter-koepke.de'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (47 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://c.pki.goog/we1/pVHkAbbILwY.crl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000196fc798c00000004030046304402206d96228e9b3bbcc33a6a59fe834c59cbd8e7c0f66c42abb050a5bf2ed664478c02206d25abf4ba944603be6e3f5c0df4bd2746f1faa633ec5f83ef803677659d30f500760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000196fc798bcc0000040300473045022057bec7965fee3db3ed9fb97f7ad5385b21adfe89f056f4b97f93057deb71a41c022100e57c0bb86e28550245d39f960e20d96ccb09fed015c1331ce34c55c14401281f
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.2
 . . . . [c:0|t:3|false] BIT STRING (576 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 112676721660219558101599577857345983709115687237860450592855269181470063656103
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 76681589249015749468613892500279427518308976447515397106825994341564220684606