gerkencompanies.com

Issued by R3

About this certificate

This digital certificate with serial number 04:e0:2f:b1:6b:4a:f5:3f:ae:ac:61:ef:0a:5b:f4:5a:28:7d 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:e0:2f:b1:6b:4a:f5:3f:ae:ac:61:ef:0a:5b:f4:5a:28:7d
Serial Number (int): 424735788845833666544197065382811374594173
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: bc:78:e6:28:2d:f8:8d:34:08:b2:04:bf:4b:ee:e7:98:c8:87:af:69
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 30:11:6c:4e:1f:0c:b1:0c:65:88:16:f1:35:6c:93:49:da:0d:5d:84
Fingerprint (sha256): 4e:bf:4c:aa:aa:6d:6a:f2:1b:7f:fb:f6:95:f6:0c:fe:9b:3a:a5:15:8c:46:38:14:94:19:55:7c:7a:e6:9e:57

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
servicedesk.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk32dasHwd5COtGEZd7jE
EfDz/5acPq1x9KwV/CinMMGAHGUySJEazKm19anRkf5xfXA6OJTSmGoYuejir3KK
5fDCAUduot0e9RDw+rQc4BI39TTs2YydZUCilVJ3bmml0sjC42cIxa5S2BLhkcdG
h1TGKuAAnTombUz8wGyRYS36jzJAMHBfZBxr8Eky0d6hfUoz1/ErTuIa9A+TxbBn
3AeA94o+eq6qp8lJrI7dsdYRCVd67dqPL3EoBQmI+CvzsixrVDvUTxE/ANUmIt/E
zbRFtznWX8SLFIJkVAataA9J0o6VoK99OoKQPLb7JSFEuzBTY4dtyuZk3rDjfuwY
ywIDAQAB
-----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 424735788845833666544197065382811374594173
 . . . . . . . . [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 2023-12-28 08:03:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-27 08:03:46 +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 18618973850898619374284299489985846652134740541788411008266625504701724724070255102341569753765253794076535247422398074882794666583799463368583308391783469779812359782686888281585965813824744223870795144661345099564618987035048968515474251815243543885548246725804097843009062845868447945786873458715185585522736654697609359871362882763886666257239033443690411734780673486478548331844594160013370863065695630716801200161049850539441146745227707017237066970865569437239729201953265455484918762220382712173321199549145417474828595179495295042063133212029525153839968484860263931761900321922599544274703430529536427301067
 . . . . . . . . . . . . . . . . . . . . [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)
							bc78e6282df88d3408b204bf4beee798c887af69
 . . . . . . . . . . . . . . . . [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)
							00f00077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cafaa5fa70000040300483046022100a46b55d7b3486cc03136da33bd07be0e292f34abc0949f4378d1f7f7bfedf08f022100f24875565d541eb9ada135302056a3c9a89a0358200b328baa631efb2fb35b7a007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018cafaa5fad00000403004630440220194cf24d9b5bdf58a158b5632bb5a81d30e343eea473142ba207e2b2906784af022028f0da4b973ef6487196ac23090ed645112fca4f92ba5d5c274d2c7c045c4388
 . . . . [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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