crownsecuritysystem.com

Issued by R3

About this certificate

This digital certificate with serial number 03:ce:a5:d4:2e:fc:11:4c:96:fd:f4:87:d4:70:c4:44:5e:46 was issued on by Let's Encrypt.

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:
  • 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=crownsecuritysystem.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ce:a5:d4:2e:fc:11:4c:96:fd:f4:87:d4:70:c4:44:5e:46
Serial Number (int): 331655449720194276473953569388585726271046
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fd:1a:04:4c:17:5e:42:29:9c:2c:6b:fc:7b:bc:9b:01:32:6a:e1:f0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fa:2f:b3:c9:81:82:89:7d:0a:2b:05:d3:03:f0:84:47:f7:84:19:13
Fingerprint (sha256): e7:8d:7f:14:1f:0f:a1:96:ea:00:8a:99:c6:fb:6b:4d:6e:ed:28:6a:b4:56:8c:bd:3b:e8:9a:91:29:c6:f5:96

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

Revocation information

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

Check the revocation status for certificate crownsecuritysystem.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for crownsecuritysystem.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

*.crownsecuritysystem.com
crownsecuritysystem.com

Other certificates including the domain name crownsecuritysystem.com

(limited to 100 certificates)
crownsecuritysystem.com
crownsecuritysystem.com
crownsecuritysystem.com
crownsecuritysystem.com
crownsecuritysystem.com
crownsecuritysystem.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2nKxiznhanL5woXiKkdI
S5DiXDfCAUxz6RldpsNO+dnLADb+Rp6mL9ql9qA9UyjCno/gnUYV3yBpoOH1Sqr3
HZmUTV56Wf/hHdHAW6KtK60zewvj6h5D/caiy7rMQDuwoynN6ZsTXPhorG1YIOg1
EFRyc0DREK3+x+6+NeV19mAT4F6S7VHPf2e+xuml327+a1DCrXQ5oJaRSeJqBr6x
1d6IgLmYW4Biy7nLRl2ZsgBChfTRbhhrd2UrMFiS903EaqINrH7Am0Bu5avKN+Bc
eriKGxFE7hbmH6rlQ5FhhyDHIFHUxcLteV0RurxyhTmknVWRTWf10qKatnDyyVQ5
BQIDAQAB
-----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 331655449720194276473953569388585726271046
 . . . . . . . . [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 2024-02-09 18:31:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-09 18:31:22 +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 'crownsecuritysystem.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 27576507970501400719854251819141048131138750353468523058804418903689254950944837913431225483720170003717791809937931497663485683848885544284835991121572679767801852810795237137107214453770861465201242101519400690217588320662369367590226764572324407891737383832518292959527331662013844156026037792502966301963308632546924076390151931083504075216584040973503134971098679284122941389526187751786599739141913772673146620131962838221473978116714513756009271472528325614527388688761897984960842130127168621191422754369763076726036166429126352917292952545561584604963104580280765807911453206332054048680385185680157454907653
 . . . . . . . . . . . . . . . . . . . . [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)
							fd1a044c175e42299c2c6bfc7bbc9b01326ae1f0
 . . . . . . . . . . . . . . . . [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 (54 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.crownsecuritysystem.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'crownsecuritysystem.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d8f5a67ac00000403004830460221008e4d0da1fb62017d525cf16e6f616024272550f793650755e383ea437dece081022100f7178228328dd4747bda7b90a6eb17e01ba40ffda7e5c17e69d4aca7bd1edb7700760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d8f5a6a250000040300473045022042c928b43f1e73e450fcdf9a45134dcb7f5bf6897ac8a879e3bfd7154627865c022100987b8d73063e4b9d7c53aa2e60fa27a6810c23e3a4cacefb5574da4b4fe01dc6
 . . . . [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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