gerkencompanies.com

Issued by R3

About this certificate

This digital certificate with serial number 04:a7:0b:1a:e7:eb:ec:17:f7:43:2e:7f:e9:13:1d:67:e3:5e was issued on by Let's Encrypt.

With 4 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=gerkencompanies.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a7:0b:1a:e7:eb:ec:17:f7:43:2e:7f:e9:13:1d:67:e3:5e
Serial Number (int): 405291060214437970034662920735448527004510
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d8:32:6a:e0:26:a2:ed:cc:87:ad:84:a3:5c:c8:ea:f1:63:ed:89:8d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 4d:9b:64:9f:13:19:8d:d2:87:e2:49:6e:35:0e:f0:b5:83:72:09:26
Fingerprint (sha256): 29:72:ad:4a:fe:31:ea:31:f0:71:1f:c9:fb:a6:7a:ba:a5:53:d0:3d:71:2d:10:85:ff:ca:96:b0:87:e6:4e:42

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate gerkencompanies.com

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for gerkencompanies.com

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

gerkencompanies.com
kuhlman-corp.com
www.gerkencompanies.com
www.kuhlman-corp.com

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gerkencompanies.com
gerkencompanies.com
gerkencompanies.com
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servicedesk.gerkencompanies.com
gerkencompanies.com
gerkencompanies.com
servicedesk.gerkencompanies.com
gerkencompanies.com
gerkencompanies.com
gerkencompanies.com
gerkencompanies.com
gerkencompanies.com
gerkencompanies.com
gerkencompanies.com
servicedesk.gerkencompanies.com
gerkencompanies.com
gerkencompanies.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgma7ZBJVEpebc5gTGP7Z
PucGLmRudTHuUeV2uWfsZZRtYAsw/9NfklvhqS3pDy6fnH1VneJpJfGJWl07ilxd
IcxqO1ZLSM+LLCTVdkVgg+Ow6UaJ79m4BZcyklYHu4s0+7KHlsfwRTaZurQVfxK5
bmfMXOsY+zy4loxFOM1ndAbzJ71BPiGczKgEAtgWgbkGT2/xce+WeFVqKUi7cTi/
SYbiYVhafDgjJxsh2OETKLMKckfFPUyL/kzqqhI//kETzMgbQ60+EAKhEp8w7L44
JWdJRrLqVE4cZlN2se8Dnnc5XLphashdgNsoVPrQjJpyDMKvgVZYGLM+zKAvH1dK
5QIDAQAB
-----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 405291060214437970034662920735448527004510
 . . . . . . . . [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 'Let's Encrypt'
 . . . . . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-22 10:55:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-21 10:55:55 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'gerkencompanies.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 16461638680766038232524166391100228732232988174869483197347335331206946478774475944894078705447598125308406142071609155672267297932558903222203966531324344583427734277917955702175515840078842950613915407239311947834002080241690727355404150489229649628238586662966901488560696923338713159540320852304989277320642535834907271432782743726403153107281099422681587812060542672279840539311848225434616192509303108024037921075277695471831230954824495286321223513224276269211866565867352824646213342291595254261337199166388113121551355817863870332375255297845344648873243530234976847352915787217292552414293011816694047787749
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.19 (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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							d8326ae026a2edcc87ad84a35cc8eaf163ed898d
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [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 (88 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gerkencompanies.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kuhlman-corp.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gerkencompanies.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kuhlman-corp.com'
 . . . . . . . . . . . . . . . . [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 (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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d3106f8bc000004030046304402200564c28579dd04bb9ab0546d135afc149a7dbb4edeb1e005bae763ea4ef4623802205340880e05e387fc8820e46b999585c637186ccf8064d57857390ddd7b720b41007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d3106f8c9000004030048304602210095bf5734f90324db6837e8af823bc603650deb71d98b52f48966dac1210af0330221009c9b65dfb4c0d2ee5c36a930e8d135228c1e447d8561235d00919a389e2fd945
 . . . . [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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