concretesand.com

Issued by R3

About this certificate

This digital certificate with serial number 03:e2:41:ce:c4:bb:b7:c8:1b:46:e6:f9:19:13:38:b4:4d:ac was issued on by Let's Encrypt.

With 5 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=concretesand.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:e2:41:ce:c4:bb:b7:c8:1b:46:e6:f9:19:13:38:b4:4d:ac
Serial Number (int): 338328146142516536765492458309513551039916
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d2:2e:09:4f:9d:02:04:15:b0:95:18:cb:46:a3:5b:9e:3e:9b:d3:06
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3d:e1:17:ed:11:23:fc:7e:57:b9:13:88:3f:03:07:72:6e:55:52:8f
Fingerprint (sha256): e4:ee:73:60:eb:36:78:51:45:85:bc:23:e9:38:10:98:a2:48:95:cc:1b:ea:84:52:b0:c7:40:bb:f0:a1:4b:df

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

Revocation information

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

Check the revocation status for certificate concretesand.com

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for concretesand.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

concretesand.com
legalformssoftware.com
patsies.com
ramisabri.com
sugarthin.com

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu4NWu5P6lhwPOz6wpzjY
WSkVqwjth68W63ZAGhoG1/rT2bM74HUXXOweCVQxdc0ryMDq5DCSqmGJ9ahcui+N
xu8bYe6Pdf4wQCDHhhQFsKtAHdl0JVw7YM7GYROnPNm/wFHqanNnSWMf5STQyzMf
xx1cM7NO1K+tGLktpe1qbOwl0RQwi0hyC84a33oEjcQsqMGsbsqRGJQcKlJ7pfkw
ErsLqCkS2paNH7o8efQUv9pQxHKatSB8kb5QMkyyHyufuU40mA8mGKjInWrLOXwg
n9Unpen9W0ZjJuh94eWqN2bu4NaH7yOs2z8Pge5Ennoe5dTyiX7LJUN0CpsvXnz+
ewIDAQAB
-----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 338328146142516536765492458309513551039916
 . . . . . . . . [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 2024-04-14 18:48:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-13 18:48:28 +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 'concretesand.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 23671328604637901666403367764362275251356655902000458978058390340032803268937861573643609682966790375915644057939017579061382021404321785813161194336287462762020529454083633575347348565515235550166712926211939025359028908702744089630429298011720238603241927858494523126559998219162292399649086516405924358014672455183987491884786179054819912774954721438057410591780553486035481609018625194235918016452736678452390115286890377958810875857232674793725901781024642172362605323895452693910524453681664854482061884970075973260300697136254721094535830744599770441939320654630997935960904317739235137633988555061391248916091
 . . . . . . . . . . . . . . . . . . . . [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)
							d22e094f9d020415b09518cb46a35b9e3e9bd306
 . . . . . . . . . . . . . . . . [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 (87 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'concretesand.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'legalformssoftware.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'patsies.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ramisabri.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sugarthin.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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ede276e150000040300473045022100a1539c8b5939319b5b71437402881ecf3c7834c543c4ff27ac2793079be3cabc02203172bdee5def54a7a71176f753a036c3ddc3a0e7cc5c4f68d9b8f5b7389af59900760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ede276e650000040300473045022034b7ecbea8450fe1da3ce60b3b17d32980461783dcc46b3173f482401ed9c6a0022100ff3f8a3aa7462cfb655446445c6300db6486f6c9930e27433922f573db22ab82
 . . . . [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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