alexthedeveloper.com

Issued by R3

About this certificate

This digital certificate with serial number 04:2b:f7:8b:34:0d:48:8e:40:82:6f:f7:71:a7:43:80:29:62 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=alexthedeveloper.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:2b:f7:8b:34:0d:48:8e:40:82:6f:f7:71:a7:43:80:29:62
Serial Number (int): 363410327604601271472451732444300017936738
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f7:23:65:43:bf:38:93:03:67:cc:47:7a:12:99:a5:ad:b9:d3:64:cd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 71:00:49:41:f7:f7:80:2d:9e:74:37:36:a4:1c:7a:23:2b:bb:6d:c7
Fingerprint (sha256): 70:27:37:de:6b:18:f6:7e:7a:d5:c0:77:97:34:dc:65:74:0a:77:16:8f:fd:7d:e0:8b:15:e1:98:90:27:56:d5

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

Revocation information

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

Check the revocation status for certificate alexthedeveloper.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for alexthedeveloper.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

alexthedeveloper.com

Other certificates including the domain name alexthedeveloper.com

(limited to 100 certificates)
www.alextomkins.ca
alexthedeveloper.com
alexthedeveloper.com
git-hook.randomforest.ee
alexthedeveloper.com
eliteprogrammers.ca
alexthedeveloper.com
www.alexthedeveloper.com
alanmortoni.com
www.esightcompany.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuSltU/d+NH3zZpBfrHPv
VyspxzaQDAucsjsWX11eZTc8z3yHo199HtP3/RigZGSUejZK3eufL2Qt2n9riH8s
CQU2dfXUBBFbezsVDW3+QFXHwsBLqaLP/fCzF4KnyzVWdYbSP0A4ZVHYc05VMUwo
+tK0u2AH1+ecdRIOBxGMdxi8uD1Wwa5vp3GTAXj7jWN6K/yVMcshZ4Daa8B6Sxtw
ftP9AbQL9R4KOQi06Yk1QYLVxXLuUs5GxnDTvTgSQEgFJMzHurEKChnc4XWo5woR
tlxfmhm3BJo5/SkJAqskYFH3+DJmusyqNsgk43cgb90PL3D8yaVAuHlmjwdE8qQg
UwIDAQAB
-----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 363410327604601271472451732444300017936738
 . . . . . . . . [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 2024-03-19 22:15:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-17 22:15:02 +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 'alexthedeveloper.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 23374514864608941609840510654879559820571862951758621121136904516380685896171001734741337215289504836670234715924406627189470150156047906033350794823175406494046718537902832753800306587956544975763991298249469099811412409461412927880270636878241831139155454494333699061030107457938238735295227965476640024930547306250090184168870399199708950743165971764032132304401412068556928401622476776864994752281583010208907807315752735019713093453186305333724582000043816474525284762130015736405591116229289658596073164757028603230132926478703975523383250219646440531430581811162246006465360187303153612848094159253061195014227
 . . . . . . . . . . . . . . . . . . . . [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)
							f7236543bf38930367cc477a1299a5adb9d364cd
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alexthedeveloper.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e58ff35ee0000040300483046022100b272fc550c3446a932721187bbb92578e10c7f450419df52b0be6cd98539faad022100b1dfb812b3b5449d7f2c787c1d70e3001cf19e653865d7ca6e191f9984bed4ea00770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018e58ff37d00000040300483046022100dc999ddbad84183e464249e03c47c5ff92df79983704a8dc94f087febf40085a022100d3a078a655ebdd47d0d3c4a8719cdcffc41c7b90641578a296e7dc29e269bce8
 . . . . [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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