alexthedeveloper.com

Issued by R3

About this certificate

This digital certificate with serial number 03:7a:58:c1:0c:89:c4:1b:e8:a0:57:99:5c:75:4c:6f:6b:13 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): 03:7a:58:c1:0c:89:c4:1b:e8:a0:57:99:5c:75:4c:6f:6b:13
Serial Number (int): 302969280990861868610694429843073046375187
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0e:73:2a:b9:6b:b5:b2:64:33:b3:80:f0:f7:0d:1d:98:ec:89:41:62
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): bf:16:cf:0f:d9:14:ab:5e:52:88:12:4c:96:74:23:46:75:d2:a2:f3
Fingerprint (sha256): b1:8d:64:a9:22:9e:db:98:49:e2:9c:0d:ec:e2:60:b1:1f:41:4c:6e:af:95:e2:49:0e:25:33:bb:0b:c4:46:58

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAygSJ522AnGugROrjj+6m
eCvqz5nMvty+szRcWwcCZjBKHhgXvaiS+upQDeCH3RLsL2H9pXadUtdj3h3dG+kp
BH12EvhYuLWpHx+wsp0Uq5LZBtYdm7QgW7037EY37fnzABtNT6+em7nFIHGNns7W
xWMXPpgynPhCT7ZkdHTXyyMsCsWL37ozLF5zqX2L2wAEMEBEdLofQwKMDS69PBF0
6qRnW1PrxSY5KoaHR884WbhhpR4HfdQ8Kkzu1uDSHqmgHPoAmbAFc3vfCKga6qRh
uyT/cXCz8KIeSnGkjXloSDqXGI0MGdPpmn2seNtORaG2tJ2N7E7Fcvx8VfkoQULw
WwIDAQAB
-----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 302969280990861868610694429843073046375187
 . . . . . . . . [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 2024-01-19 09:10:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-18 09:10:21 +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 25502375713393771047811443631712722111810611334385907473626054726389424180573002465605017025329305741487302803229471143174503226429837753347485347075639213515398981572143283832037182475076868282141613544480591830672901138321777314705218898128057176572930595561946029442743633735181621294008296059732842038200779917510870403492364129539343015376640939756142625440344917921424608884984166634033577103982234849783440871838790797788825058159125148657607826323291819139755191726396312524702923946585114215495369771423514581951420553159894911334384734906580420195527325622436557408069011973448788612910994965799511617892443
 . . . . . . . . . . . . . . . . . . . . [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)
							0e732ab96bb5b26433b380f0f70d1d98ec894162
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d21333dc200000403004730450221009e3ee5433d541c2ef1771401a2c686d0d7f9fba58495b75772fe1db14b13c3a302202555a8b2e4c9118c34592b2405200591e5e517a7a57d57119cf85cbbe23afb9c00770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d21333e0a0000040300483046022100e2e907e7d8777984d3c638c47cdd9227c9e87c4e8cf2cf135d0336e553a91d98022100965f6e1163a07448e718e4c79896d1f8a59fad048e201c0bdb6db7f012a25f71
 . . . . [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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