codelab.techextensor.com

Issued by R3

About this certificate

This digital certificate with serial number 04:65:21:d6:92:b4:cf:0f:f1:76:68:e0:52:56:f1:2b:35:44 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=codelab.techextensor.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:65:21:d6:92:b4:cf:0f:f1:76:68:e0:52:56:f1:2b:35:44
Serial Number (int): 382862641437001354130121135134733509539140
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a3:63:0f:04:bf:44:91:d3:2e:90:5b:db:bb:8c:4a:db:de:a3:f3:25
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8e:f6:69:56:0c:d9:bf:28:8c:41:7c:b3:66:53:21:24:5c:80:8b:fe
Fingerprint (sha256): c9:bf:83:2f:3a:d9:c3:ce:91:53:28:27:4c:e7:b0:f9:36:a0:33:76:ab:d6:d0:56:50:a4:02:5a:d9:30:f9:dc

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

Revocation information

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

Check the revocation status for certificate codelab.techextensor.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for codelab.techextensor.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

codelab.techextensor.com

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxNierQeo9f0p0Zcg0hyS
6fxCw2fUYcBlx4TlhJHunjpNlcROcctWdVD2/A11VEi264AInEop1R4by+4KzuEL
PT/jwWLw4Gg5APVrk9Jr8P2yuxgftoVzDIBRjfAFCsIMlKrnOeIeZ+0OM1LW0LRo
7x+65ushpN+kOVssrtGaMZvQIh1u/3Z4vq1zp6YRxyecZSWwrirEGpLRXbjUFqTf
3s18w7eEXONjtE4b1hIhinsNiQDnT/uDwygDGHbKvFbAvIO9aqLgoyk1YgZFnx6S
yjUjZW6uWLHIlb+5DmYCR83zj5ly24dQkmvisYU2xkZEp6Jueu+vs2sZBhpixheI
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 382862641437001354130121135134733509539140
 . . . . . . . . [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 2024-01-28 22:50:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-27 22:50:25 +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 'codelab.techextensor.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 24849526991606498385964128187959933443375209149076920524470390193588099216299129748807992186715473656818905038925223575431612688077278760897937615588067746416641692599102964638274716387238001581459830625282279787356094587469875928028779241351868261462027765199941604913384130327832314907858234318733705296683668162363059295746318371812679870854871438039212388894622251021730771642973298228006819756336797003895594081284891058121107105538108858368878521695179463920899360406083349209179881916656585549361640496660415179575216380521309553876320501888345328892367504598417951395189337246922404306519598653282067880052859
 . . . . . . . . . . . . . . . . . . . . [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)
							a3630f04bf4491d32e905bdbbb8c4adbdea3f325
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'codelab.techextensor.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d527b438a0000040300463044022030c126b154e5340576aa32408df18f52c041797c5690b356583f37769e527b100220031ea8e660e46dea7f24def3f3b93059817a2ee8033fb8a09fca6bfeb46ee7a200750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d527b438c00000403004630440220557cf7aff9afcdd02e3bf1ed7d4bb307e5af79d54dc0793f4d831654f875bc8502202166f7c9c6767a05e1ed29864bab55b9f01e9ce0e959ebb8385cefb4fcea01b0
 . . . . [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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