DV SSL/TLS Certificate for www.labmtm.ru

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the www.labmtm.ru DV SSL/TLS Certificate

This certificate with serial number 05:e0:a1:32:2d:06:02:2c:30:bd:e7:dd:5f:ae:cb:40:ad:f2 for www.labmtm.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 www.labmtm.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:e0:a1:32:2d:06:02:2c:30:bd:e7:dd:5f:ae:cb:40:ad:f2
Serial Number (int): 511998946084440220778177543298980723600882
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: be:51:e3:2b:04:bc:e9:da:b1:23:e5:04:f5:60:5b:c7:74:54:94:b2
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): 59:d2:a4:c0:c9:78:7b:f9:07:ac:51:bb:a3:11:10:08:98:3d:7c:da
Fingerprint (SHA-256): 99:33:4f:3c:b5:a1:49:20:c3:9e:2c:a7:fd:29:84:19:97:f7:86:a2:4e:be:cb:cb:ba:67:73:33:f9:87:8f:dc

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/115.crl

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

Advanced Certificate Properties

Technical details of the X.509 certificate for www.labmtm.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 www.labmtm.ru in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxX936ByBBScGtjvSxVfh
QjBS4IK3/h0JdtJ/5mJu/8Uld2N/3JR1LgHkuO5OByN2z+/2r99uBC5Oc8rFauMO
yWosZDspp9hEIYTD/ybZcIW4UaCMsfW49I3gxlizfxoouoBBUlrQM+ULalgaf5Sw
bTnCMiyAK1+hPw9CuHiAD3DJnRJMaTX29VqVIFPqLt3xzzzJ6DuSjpaLw93en0AS
E8KN27Cu7FrG2C+lEwAqqP5S5Qi6gfMOEG3y7VnB29084DD27aGFbu+gs/p/Ou0V
XckK6miRvhrwOiVRRH+qcQPtJA0XrgjwHYWdnttzaZxD3iaSNlaEd2naFmo44N/0
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 511998946084440220778177543298980723600882
 . . . . . . . . [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 2025-05-08 12:02:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-06 12:02:51 +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.labmtm.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 24931803081910303877658162797160906426969376958443205218102271170073163793804629331944145120981199505972798955876632573755908974630781058529026786145816355110046368525175652564166636753278069795460158500608891040996663819702303093665892537290961729177506362603021758808343458136108660927696250834311564562472611601637752573769805548856865345441871421555378548915103258979793471480787369877762329215875197826336130882441444714130957931837520564469159977119838852876414726067550132496340911503896385019956964830547728840088865597231895342768326176937666656202405766270313990762134595797596452953324884199168388651545731
 . . . . . . . . . . . . . . . . . . . . [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)
							be51e32b04bce9dab123e504f5605bc7745494b2
 . . . . . . . . . . . . . . . . [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 'labmtm.ru'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.labmtm.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://r10.c.lencr.org/115.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)
							00f1007700a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000196affc7da70000040300483046022100813fd28d80087943c5cae9da514d7616f563e72c6892fc8499f9871a4651210e022100d4b800fdc516f1a402bf96dd242a074fa4d417e6a93f1d0093bc2eb68f73cb120076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000196affc7da80000040300473045022100efab48fb136850445828d170e94dfec4a06d16a691c658711e350c237dda659d02201e34c8ee0d27460b1aef0d7847660155b1066711dd088f8b254ed1bb4ce02903
 . . . . [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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