tfprandco.com

Issued by R3

About this certificate

This digital certificate with serial number 04:96:a6:80:47:c1:1e:49:20:0f:1f:c6:98:b1:d2:27:22:a0 was issued on by Let's Encrypt.

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=tfprandco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:96:a6:80:47:c1:1e:49:20:0f:1f:c6:98:b1:d2:27:22:a0
Serial Number (int): 399712816681831434776636080774517235327648
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 04:d4:37:0e:4a:94:88:4b:13:4c:cb:ef:18:a2:70:7f:8b:1e:b7:cf
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6a:4f:63:dd:dc:d3:65:32:5f:2c:dc:d8:f5:62:b7:ad:88:58:6a:61
Fingerprint (sha256): 12:73:d0:aa:55:f0:41:ca:e8:ed:c1:3d:f0:b3:ec:2b:b5:07:c0:e1:34:33:79:97:c9:19:0d:8c:ac:5f:83:bd

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

Revocation information

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

Check the revocation status for certificate tfprandco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tfprandco.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

tfprandco.com

Other certificates including the domain name tfprandco.com

(limited to 100 certificates)
www.tfprandco.com
www.tfprandco.com
tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com
www.tfprandco.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAruhEtKEIzLqOefS3quYH
OADZ9lTsB9gFFl9VCTpyFACeaCNoFltn/0B83qi0JcGv5id2PprQOLd1cGVoaetO
1xjR0mLE+Y0Mu523LxLuZYQxaskq6QjT7LlJ1vQMbRFCTY1faZhc8pAzLlWq6F4f
H+FEHQyWcNQXrbeIt+j7MBJ8woKcNp9uuNugeYbJA+eO194QFeXN0uriu9sks7TT
DgLzNqWqP2sMC7pIIeWYWkqIXFMN0oMFBBxkHc+hy5xLQPoYouZXzAMe9Uo8E2s3
arNtyTyZsSt9qwMrxr2LZTs1ptfVmWPRRCMyWBdzQ+tqfEZ9ItQYeXWQK/hqIcoa
DwIDAQAB
-----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 399712816681831434776636080774517235327648
 . . . . . . . . [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 2024-01-30 08:49:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-29 08:49:01 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'tfprandco.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 22080000871662276871874815426877937578255097568779151069707928241946230034550002852351476294329383131985686305908976725890278081525461435934858206826961599111263585180421449234702284159935972881129875453950892011419164154759174053354345909281849231836846168783955694216926562980119832049046410849313042153278031589390215281507074100429155691386155740918697967366771326287886503872701645623532500866795738593376146583181632803450318048174224308821445441374170136887070599720150761221547894076950816941020114661412697865848779447804257715325914144246357415181123984627111054735122250740400796346651690776055007284959759
 . . . . . . . . . . . . . . . . . . . . [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)
							04d4370e4a94884b134ccbef18a2707f8b1eb7cf
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tfprandco.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d59c5a96100000403004730450221008dcde5ff75b6947ada62cc638950ece327f2a91cb2ee90d60a8d785d12f8212d02202284214438260fba31cb7488419ee7002b2fa56056502cef3d489c87ba483814007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d59c5a95f000004030046304402204b684f0735acaa4c9bf8fde1accd2339882f7ace09dc839fe44d7792ffe80bac02204cac964ff284da0e766a6cafec60313a3c964df9932ed378134b27655bd52a1a
 . . . . [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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