DV SSL/TLS Certificate for coffeeforest.ru

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the coffeeforest.ru DV SSL/TLS Certificate

This certificate with serial number 06:7b:6e:e7:1b:58:af:59:a4:7d:10:d4:80:32:5d:b0:70:01 for coffeeforest.ru 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 coffeeforest.ru 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): 06:7b:6e:e7:1b:58:af:59:a4:7d:10:d4:80:32:5d:b0:70:01
Serial Number (int): 564675861776598979024682286229406375505921
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 49:72:d4:eb:6a:7c:62:1f:e3:95:69:cf:97:3a:19:ba:69:55:4c:55
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): da:90:48:70:32:8e:24:34:4a:78:fc:f1:17:01:aa:b0:6b:6f:ab:f7
Fingerprint (SHA-256): 9d:28:2a:20:96:ed:d2:c7:11:f6:fa:ac:f8:c2:cb:43:d1:49:f8:8c:9c:7e:b0:47:37:a0:a8:5a:bf:5c:54:df

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/2.crl

Check the revocation status for certificate coffeeforest.ru
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for coffeeforest.ru

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 coffeeforest.ru in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuj9ko2l7RHBz1uV7VIXA
fWC/7snpzPQSxsauiuiQBZ9z+/UWfxjAhX+1LuTt2s9a7TnbIw4uAkmyfIiw8HDD
C03Gg8CpQkRrzz7kaB7rwcSviEbH0Zzj/gmTpSjaY+dE76ZllzXW6jU+MfJjXCd/
RG85H1ICdfuqNRNARYnSPaoAjlVPrxVMDFoBg1EUtxEYYeaYyeUOYH0mc7ZvCGg1
XT1Tv6n2GrnhuPlc1s67cNQYaUfypOUxkQz2k1eX6HYTSyN50b44vn6dvYBS8zQh
PklWh/15Yd+5GqwYLzkGkTyKuvrN1kt1DNOcDS9BoTGkpHzQgOPKGM2addDcMMOL
gwIDAQAB
-----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 564675861776598979024682286229406375505921
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-04 04:50:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-02 04:50:46 +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 'coffeeforest.ru'
 . . . . . . . . [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 23511585035492141106695355926123842461639419825849201093104592492239289909427647896276533524257165483660853960318519756796177338858901241956338820610982940066491458179280659646610126448539558877261115310843377353392245229914307300917335762936922931633096937960204761766993899655364335998083771379832984420833123339880655761921642300226354433573784395919102621293701987857011015583347716853159771781424104050209626818753137341226676946611730488414375176943732097721544575001558376398944843972311431217419681586443496555058937627990273455989087546375494224655339273981609070671448853456236641540239222937185789851962243
 . . . . . . . . . . . . . . . . . . . . [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)
							4972d4eb6a7c621fe39569cf973a19ba69554c55
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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://r11.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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'coffeeforest.ru'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.coffeeforest.ru'
 . . . . . . . . . . . . . . . . [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 (38 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://r11.c.lencr.org/2.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197397c9c660000040300483046022100f3e58644b10799a54f6a5de60687b888ce09bcd371a88e6d77d1967b84de53c4022100e6f1904747244f011760942216cdbe1ed290c38ffbc29f96ffb076c18d070aff007500a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000197397cabfc00000403004630440220705c346b70ab4245e05f622f12fe507d7325ea19a64a4ddd8f9059c94e64cc7002205e9a56c43a7f223584bf83f5cea1e1fdf872faa2828784a63a8ad8edd8a732b2
 . . . . [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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