DV SSL/TLS Certificate for www.richka.co

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the www.richka.co DV SSL/TLS Certificate

This certificate with serial number 06:a0:7e:16:a6:95:34:7e:e4:27:18:50:58:00:0c:0f:c3:d5 for www.richka.co was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for www.richka.co provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:a0:7e:16:a6:95:34:7e:e4:27:18:50:58:00:0c:0f:c3:d5
Serial Number (int): 577286494634612658243464432738490970522581
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 63:d6:d8:96:2b:1f:b8:5e:74:a9:e8:45:d5:9a:2e:6d:69:e1:45:f0
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): a5:bf:ba:a0:ae:b9:f6:6b:bb:46:e4:e9:a8:77:74:37:43:c0:86:5d
Fingerprint (SHA-256): e2:41:23:29:7b:ae:76:b1:67:7d:9e:1c:fc:99:ba:ce:5c:7d:9d:c2:8b:1a:42:ee:52:02:b9:c0:52:b1:fa:9b

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/86.crl

Check the revocation status for certificate www.richka.co
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.richka.co

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for www.richka.co in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0K/rjBR4H4i654RKNuQc
AxJdJKwyv+EzptOyIcI9huVZwqdq+GVBcKnFf2ZPJXTlolaq384L2cbMezUPyaxY
MEtqZtXAyfju/StR7IKFhkZKD8NIpPd4xAH3n7N095lr+ejV6+3GjUVpEuTe4Lud
KRsuLerYJKGtbiDTBIPMMz8aSLPoG9edOe49AqgsRpDcYDNSPpftkqwLFjQZU3aI
77oA2vQhH9mMPHRHkr3K+UAok4ntjFh5TwhtyyKl5kZLzTjKZXT43EgcMG6GubI7
+yikzOLd6cYTOzjmzvAFm4ejcl3Iq3Ucs72jjuDks5NKoLZhbNksjwVWd4dpbkzU
bwIDAQAB
-----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 577286494634612658243464432738490970522581
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-02 09:08:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-30 09:08:00 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.richka.co'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 26344316870503490021227925081912253827964099900878040015035928758700705493523161929722522865183324476568525665589651397751103276730722350971726708351673371723454436729285354106165406415005450069631234884980850331563057358221174483987079410103542638697367079573302965798920937694438810227880023819283303400473503162964518292458839846275811255875360052839529038686199892361936852471863697321336675211252126328222568617117205542331680525593115521554046492362919405730734718609123725354099884722429154701864919437297958457638239969135704469046423216392664472819575563319949097928731939287055263235564019649792365281727599
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							63d6d8962b1fb85e74a9e845d59a2e6d69e145f0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'richka.co'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.richka.co'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/86.crl'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197ca9a2db5000004030047304502202395b9021f1c4e897bb19f0d7d2c52857405bceffa8957580ddf219a0ef0f139022100ce18d6032188bda66468e47525a67b2b93955883be8319f2a6560dc36328ea5e007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000197ca9a35430000040300463044022065d32ffd5af525985f5378897f8c4f66d836dc35a971f04694dcff78e8ac8ff10220615cda92c16788f79a88b290c791e0a6331b5bd1f4578655b74d8d7a5ec0d6ed
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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