*.chriswritesthings.com

Issued by R3

About this certificate

This digital certificate with serial number 04:5f:d2:c1:a3:fc:b3:c8:02:51:da:d4:6d:ae:8f:2a:4a:48 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): 04:5f:d2:c1:a3:fc:b3:c8:02:51:da:d4:6d:ae:8f:2a:4a:48
Serial Number (int): 381056111902992572132251815039212341316168
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d5:27:9f:47:0e:71:9b:b0:cb:91:e4:32:b9:5b:67:8b:3b:c9:57:57
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 80:d9:84:92:b0:f9:d6:9e:3e:fe:84:8a:d3:cf:03:eb:66:31:99:a2
Fingerprint (sha256): 74:19:50:25:22:c2:09:b7:d6:22:b1:a7:d4:67:9b:47:97:1d:75:41:e4:f4:a8:61:77:cd:ef:c9:74:5c:73:c7

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3/+eMP+1IDL74sJA6/F/
eIZbWn6a+3TAWnHFgnG/mQRM6qRcKGpiUXHwOHcxmcJqv6n/GDCScgtf8F4AJVAc
OBhNToAT8DXwK1bif/pJ7Gwwoeznllhe63mxG1C35B6YCwKSXW5FNpKvhDUxXcLC
oWCJNUM3UaAMj+AevliCikRbStcVU6ftu1riFgM+f+Ap6rPI7NgkVvXBSg8wOPns
JpdWUVzYbSnGVyYXDam+EvsJCADrrqdaGFSJI6TVVOoPyTqDAhvKm2xKkBO7RBUX
jLJ/hOub3qCJCDRy3QRDa47XB5ouEqcWqnQv5BTmovyhhEIRril0SC/NBenq5IQQ
HwIDAQAB
-----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 381056111902992572132251815039212341316168
 . . . . . . . . [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 16:16:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-09 16:16:30 +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 28277191909204237457577750905758980562014817775375939591966584064641201688414563249810784192872117985113434309312969215659334934822606142967178738638937709498887070417102203089277065871328119428513107672247113795779098831311245355715264525596788770970197979821050262527335564382161631933664818173046057110874173868987434042062697484883370399292720819233748470903323175673535261892663351063499504767110240549309195381652674199322280458299888127247690707425048869234440625120068191984331338754154459739575601273777851746384800343885157656163963188406456882637649865110869405861672782943376164608338517506080681899593759
 . . . . . . . . . . . . . . . . . . . . [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)
							d5279f470e719bb0cb91e432b95b678b3bc95757
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d8edef298000004030047304502204df2deb8d563157d3db165e0bedefb99af2a5258ccc51fc7a038cdac27ab9fc3022100ac9f0bf8574524dea4f46ca6100ae159cbfd851d7e44c6ea4ef1293be5a2be6f007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d8edef356000004030047304502206d187dbb29774ab35ea426934ee5f44b2abfceccfe42b95c359e1eff348f34bb022100b342111f378d9215ebdb52f2b14fd06c7db1812d55d0c4f815b91765a2658927
 . . . . [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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