*.chriswritesthings.com

Issued by R3

About this certificate

This digital certificate with serial number 03:78:bd:c6:64:c1:0f:e2:29:da:8d:8a:9d:d8:82:65:84:b4 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=*.chriswritesthings.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:78:bd:c6:64:c1:0f:e2:29:da:8d:8a:9d:d8:82:65:84:b4
Serial Number (int): 302422996035311605971777147748163304916148
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d1:52:7f:42:95:81:8f:42:95:02:c0:09:02:4e:fa:05:29:eb:ee:0a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 31:e3:89:0e:98:57:30:7b:6e:ce:38:8c:f3:21:06:1a:b5:e4:c8:52
Fingerprint (sha256): 06:f1:7b:4f:ee:77:78:57:ad:12:60:ee:07:bb:69:fd:83:79:2d:19:4a:fc:02:ac:72:b1:8d:f2:08:54:62:df

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

Revocation information

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

Check the revocation status for certificate *.chriswritesthings.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.chriswritesthings.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

*.chriswritesthings.com
chriswritesthings.com

Other certificates including the domain name chriswritesthings.com

(limited to 100 certificates)
*.chriswritesthings.com
chriswritesthings.com
chriswritesthings.com
chriswritesthings.com
chriswritesthings.com
chriswritesthings.com
chriswritesthings.com
*.chriswritesthings.com
chriswritesthings.com
chriswritesthings.com
*.chriswritesthings.com
chriswritesthings.com
chriswritesthings.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxIS7tXdxBSKyPkXqj4Oy
QMNKLJoL03Cx5rfRImGjOm7Umh2/jHYx2jNllkyVRlL4JIQWMkNbnRFFm082g7aB
Gt5G5t+gPAIFo4yERP3i6qNFt+6TyhMm9aYeKY6Zoi0dYKB0q5JiQBD99n9fDb5a
TM2xUkqTYfjAtvZHWPfrB9v0baFFs2ILHQTHo/0CJgJkQe9r8b/m6ylArY2Nkupd
0K9RPy/5urE+7KiCYWo/CJWa6M1HgNE1sYGMP/JW9jI2Zrryok1zeDMyUHvyrfxa
mVEtbTpy4gPwMQnJNccu2oTuqj14xDmBwfa8TlaZfDek3v2p5oOG2Rpd/pOZaMUV
8wIDAQAB
-----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 302422996035311605971777147748163304916148
 . . . . . . . . [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 2023-12-11 17:01:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-10 17:01:30 +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:12|false] UTF8String '*.chriswritesthings.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 24808160972336468042013893363759278003402974816728329979637037349469268195919453430112216654659728622035401886368298308943136235903032051274817004879383372266950401066424350005848269719797247522625548951555014717648700593277837846064605529787140930158595677675702004987882227774158567972389560365013583175774375755348927679738583975028901351861979261181340105534660839581435375240558823789469688531027524415236852616675329813790810816665251192428459352423780099225747885456061880533168479374830257085817070209745099579988881090800932426893104075910070249203802862185024344437432526922828612773207171449877194732803571
 . . . . . . . . . . . . . . . . . . . . [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)
							d1527f4295818f429502c009024efa0529ebee0a
 . . . . . . . . . . . . . . . . [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 (50 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.chriswritesthings.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'chriswritesthings.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)
							00f1007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c5a0a91a80000040300473045022100bb766fa2ff19af7e8c18f45db3010b6cd5c9532fef244a26d3b9101d8f615b690220455b1dd85196f9d64b33cebe6d1cbfa40b5bb3d1371be566ffcc150ad6ae343300770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c5a0a91ea0000040300483046022100fbb38da6c093170c87f4ea632f929aa667dc4740fb3cdd311f8cac6a34f353d302210093b5914747a58db46b714b266c67acc6dd01a86e08e7077922f08e74f0b50471
 . . . . [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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