DV SSL/TLS Certificate for larssengroup.ru

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the larssengroup.ru DV SSL/TLS Certificate

This certificate with serial number 05:7f:6a:8e:54:80:d2:2f:75:c3:a9:26:d5:8a:92:13:e1:a6 for larssengroup.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 larssengroup.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): 05:7f:6a:8e:54:80:d2:2f:75:c3:a9:26:d5:8a:92:13:e1:a6
Serial Number (int): 478918927445396191857287464965266998550950
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 88:2e:18:9d:e1:c3:66:f5:5e:55:16:47:1a:8b:c1:a4:94:30:6a:f5
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): 65:a0:5a:ce:d5:ef:9a:87:b1:4a:44:61:c1:4d:4b:1f:9b:57:e1:b0
Fingerprint (SHA-256): 4d:31:b1:76:4e:d1:b7:c0:3f:9a:e2:8d:26:b6:43:a1:c9:12:3c:00:e8:9d:ca:a7:6e:30:0f:de:1c:4e:d3:d0

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/39.crl

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

Advanced Certificate Properties

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

Public Key Algorithm
RSA
Key Size
4096
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
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 larssengroup.ru in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 478918927445396191857287464965266998550950
 . . . . . . . . [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 2025-05-28 10:59:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-26 10:59:52 +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 'larssengroup.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 691050627993547623747385792623012204983304806369050709988185830525611083554106857772644816896210242246930166461277548363855160657997568252338067201874340262133722633398302204428412361944977126890000403000191628807088490197420534841842638459499740269394583121943299279756172864321520875646333865580096091277500228647123705518554837003237205845894392813776467970696563038607186479524575323988286642007158331914249503219133055947768920151203871489155177303530038216545174600130350503190216740444453081203946433955718861812429315631293644694177484730128590121903618446838035557356367164987534058421310161923336459858892906649613810477247625891746834106512262438302997882328095941752853403953296246468564193515211658109032733895331057733881648664903823011193119975569903096927807753552284316287154221473539976665564587028975904780793805651607318918277491307036128466746250381273950946347332009364480835614957331453098288376243709661704017617181273509916083467480067958876371841328233188277410118427277429253169928447626199745088623343897653386183872777418712847770527804523899908536729604969163501688892099994746060640910332612189205535228763278609993309638827431105896702552868027591334703758758677474726948332577172280060029767720051189
 . . . . . . . . . . . . . . . . . . . . [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)
							882e189de1c366f55e5516471a8bc1a494306af5
 . . . . . . . . . . . . . . . . [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 'larssengroup.ru'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.larssengroup.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 (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://r11.c.lencr.org/39.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db00000019716c206670000040300483046022100b69d9a84a062d83f56ee062b65079ef3f96acb64b135aaf54ea8f514f0177a2b022100b19c7065854fc991d5a7c1c3d9b1da2a8f32863ccba537d875c789fa4a5be37f00760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a0000019716c20666000004030047304502210096301de46d6a50c1ef7feb5e4b5c57b4a2d8442396531df6c44649ae5134314c02207d8687bae10b3139407e988c3cce33020b6cb4409e6401b8f10c528549c6877d
 . . . . [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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