birchflooring.com

Issued by R3

About this certificate

This digital certificate with serial number 04:49:66:9a:c9:b8:5f:39:30:65:8a:d2:bc:f9:7c:95:f9:0c 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=birchflooring.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:49:66:9a:c9:b8:5f:39:30:65:8a:d2:bc:f9:7c:95:f9:0c
Serial Number (int): 373426141472927552651674781109924132157708
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ff:cd:07:77:e5:5c:84:63:23:70:d1:86:39:4f:22:36:84:ae:07:4d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 64:c5:b9:62:28:86:68:3c:a0:78:85:b9:22:1e:7e:ef:71:c1:13:82
Fingerprint (sha256): 0f:c4:8b:aa:82:60:a7:b1:8f:02:46:80:31:b8:d6:4e:cc:04:a1:ca:53:a6:b7:c3:97:09:b5:12:67:ea:74:95

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

Revocation information

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

Check the revocation status for certificate birchflooring.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for birchflooring.com

Public Key Algorithm

RSA

Key Size

4096

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

birchflooring.com

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birchflooring.com
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birchflooring.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 373426141472927552651674781109924132157708
 . . . . . . . . [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 2024-01-17 19:27:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-16 19:27:01 +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 'birchflooring.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 811187130580850811031843112632934112752130385165475657291661306416593082760343483377541461104179875177869177576388969465535535126978710730627512880005795835331166918978355801372813143125689483866657400944486567745626980690424784795182634157576182545240735748419542397405836330838988437180366133560378602103497428665758435692524424304932984228110481193125007214916286509812618520601943410744076022093418850934066109313923490795901754569937051734847437128758684772443808016429459138297264751219678977125844786490346260307856073388266362830365826630677426407012787294603858070872610742544524510495012209077841629006708478382290215637666978663106646378836603180270142199411507981066556524510786381145861403018388928914595682926637314281569945511430742863612142825714743816713696096278299405083598469685415374581633094213156717216928994059803101068839777279396703207651155793231914620666442242947490860584977318167842811670627890599400018194318715337681073462395667196416287268101329220286714103310565567221668250757734706350571819113633152158027001756114946533899370721948855266593698736562117502297944231167477307205412427846514071469152851811085788105119087732375956618227403636786843058525398673824168095288263565081058467532901019539
 . . . . . . . . . . . . . . . . . . . . [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)
							ffcd0777e55c84632370d186394f223684ae074d
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'birchflooring.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)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d191b18830000040300483046022100b619f6da234ba869c5bdd43ac7ed3b156893ad471d4b0705291ce623498f258e022100c5f39ed84d58d57133ef87eb8b7fb0b11148d99f3f67031f810012f9b8f55bc90076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d191b1883000004030047304502200f1d2723db7a827ddaa8a853722c2226aac747611ea77bf00dfb2d9e0ea4c0c7022100bbd6bcc3c4f89bea7e11aee5a8e6bb8f40b053d4e0e6a27683120d9443a65abd
 . . . . [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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