DV SSL/TLS Certificate for lightech-pro.ru

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

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

This certificate with serial number 05:a8:95:ff:ba:34:94:d0:fb:5d:9b:a2:f5:93:a1:d3:7e:fd for lightech-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 lightech-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): 05:a8:95:ff:ba:34:94:d0:fb:5d:9b:a2:f5:93:a1:d3:7e:fd
Serial Number (int): 492928250085283881096091606607011190636285
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 6c:16:aa:dc:09:63:ce:b6:bd:fc:b1:87:a5:51:49:31:ad:1c:60:64
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): b8:36:84:70:7e:45:4d:0c:ee:a1:c8:5a:af:48:19:18:c4:01:c4:6f
Fingerprint (SHA-256): b1:e1:fa:3a:49:87:bb:08:d8:72:ad:c4:5f:a2:59:22:39:ab:c9:5c:55:92:57:3f:8f:e3:eb:55:2d:8d:4c:b6

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/126.crl

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

Advanced Certificate Properties

Technical details of the X.509 certificate for lightech-pro.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 lightech-pro.ru in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoDMwhiSZmcFuhpLQXyqB
NxL9lEuNwN1AiUFf2WJTKpPskZK11MqRILzMT4QUh2isJt9AD2Cus68qipEquFWO
IPD5QPN5X0uz0NalughsPwVy9VstI015WoqRUVLo9c3hUsoV4pRSUc5N9dR6wmnu
7tTmyj2Xo5GKu6q8NW7MMRNJo/DNvTlaerWoA+Kr/ZGyLIDir4gPyfsJxez9i/eK
E8US+QN4bCLuyZukBkys6D2xs/i5tsBUKkSGJ9np2Lr/l6vQY137BOEZEYO2TKuo
Nc/H9SZ/hPVwkrGuyyTo8c0Nih8DLtopGt7W1ZhuspGZcGhjyz4nngmx7HAs1QQw
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 492928250085283881096091606607011190636285
 . . . . . . . . [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 2025-07-10 06:05:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-10-08 06:05:00 +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 'lightech-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 1.2.840.113549.1.1.1
 . . . . . . . . . . . . . . . . [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 20223371300926778712208539697624221108960289144330949472309619524940431306573149275202688573806283196207812806501833628981797153716415615066874758451470300994149488655502948952923979334944899131439542715982465891410362870393547615472030858287161292353105148544983300861200218361895700559791229786419286230024358201085534301213047893159036635742297906316438500662842926170004161604701783008452988271681847942023501948073783746451489131976695824557009375827307605425839960706044595841773943588847404143117219098789773155712355453822643961175344805227441605645299643765570222375655113530829016588874724306687997367300291
 . . . . . . . . . . . . . . . . . . . . [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)
							6c16aadc0963ceb6bdfcb187a5514931ad1c6064
 . . . . . . . . . . . . . . . . [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 'lightech-pro.ru'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lightech-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 (40 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/126.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)
							00f000760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197f3258c1b0000040300473045022100f5885fc12bdbad1c55b567d2dda0f138593ffe24801807af3385a99c93b75ac502206ea87e483ec75fc4fe0bfbaabcb652a8a8c43f028a43df3567f89d26932501f4007600ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe000000197f32593eb0000040300473045022100b1bb32092ddf6b0c7de1451e6c2d4b98acb6b94c80de5b8cd03de5b5994523b902202d4a22bbd5a71ee6366523dda7d35e3394fd8beff317c9f0757bbd1abf21a520
 . . . . [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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