DV SSL/TLS Certificate for bos-pro.ru

Certificate is witin its validity period

Issued by Let's Encrypt (E5)

About the bos-pro.ru DV SSL/TLS Certificate

This certificate with serial number 06:e6:33:68:6a:9d:fe:6d:a0:f5:c8:00:a1:59:9e:19:25:40 for bos-pro.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 bos-pro.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:e6:33:68:6a:9d:fe:6d:a0:f5:c8:00:a1:59:9e:19:25:40
Serial Number (int): 601006992771488626035249044892242308310336
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: da:ca:09:0d:c9:47:18:b5:64:22:07:6d:61:3a:b9:2e:fb:37:bc:7e
Authority Key Identifier: 9f:2b:5f:cf:3c:21:4f:9d:04:b7:ed:2b:2c:c4:c6:70:8b:d2:d7:0d

Fingerprint (SHA-1): 08:16:d7:1e:96:f2:51:ca:0e:cd:8d:5c:51:ff:62:a5:f1:62:e6:fb
Fingerprint (SHA-256): 51:ab:60:49:b8:5f:07:e0:87:db:9e:80:03:4c:c8:45:11:fb:46:43:fb:41:7b:90:9f:7f:01:9b:1a:98:82:d8

Issuing Certificate URL: http://e5.i.lencr.org/

Revocation Information

OCSP Server: http://e5.o.lencr.org
CRL Distribution Point: http://e5.c.lencr.org/65.crl

Check the revocation status for certificate bos-pro.ru
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for bos-pro.ru

Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
ECDSA with SHA384
Key Usage
Digital Signature
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 bos-pro.ru in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE6yXVGXO80V4siV3d2hPNYKS64MPw
q//7LKR8CPOWShJytPnEiSFu85TMh+AvipQuJCWPLTQwE80wkADMl7W81g==
-----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 601006992771488626035249044892242308310336
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3
 . . . . . . . . [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 'E5'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-05 06:53:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-03 06:53:21 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'bos-pro.ru'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				0004eb25d51973bcd15e2c895dddda13cd60a4bae0c3f0abfffb2ca47c08f3964a1272b4f9c489216ef394cc87e02f8a942e24258f2d343013cd309000cc97b5bcd6
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							daca090dc94718b56422076d613ab92efb37bc7e
 . . . . . . . . . . . . . . . . [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 9f2b5fcf3c214f9d04b7ed2b2cc4c6708bd2d70d
 . . . . . . . . . . . . . . . . [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 (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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://e5.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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://e5.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 '*.bos-pro.ru'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bos-pro.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://e5.c.lencr.org/65.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a8454000001969f6e1208000004030046304402201c4cc06e76417364da301227a28380f37fc85172d13c5f4716f7ce467b222092022003dc5f30e2d620e97c0020708782b5c29138414c65397087a2e2085bcdd74ed5007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db0000001969f6e1231000004030046304402205dc1e8e9905036a5d4d757499ef4da657527b09fc9f937b16a9d0ff60866d45a022061513635276a943b524505544a9c38bf02a409c00ccf27db5cc8c4219028fdb5
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3
 . . . . [c:0|t:3|false] BIT STRING (832 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 29824097929009094514707962360188672909195718052249169198599663733034148681622773652856114519954690579750054672005177
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25359306414123155549905382224521392239958945986992755352285493004348388867502148566585509061355849175273651522147150