DV SSL/TLS Certificate for infofo.ru

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the infofo.ru DV SSL/TLS Certificate

This certificate with serial number 05:9b:19:ee:53:c3:7b:e2:17:78:cd:01:6b:b7:6a:9c:26:f3 for infofo.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 infofo.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): 05:9b:19:ee:53:c3:7b:e2:17:78:cd:01:6b:b7:6a:9c:26:f3
Serial Number (int): 488339664697021478033397007068765555009267
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: fc:c9:0f:be:18:a2:b7:cd:ab:e4:e9:81:51:0b:a6:97:64:f0:87:7a
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): f3:fd:c2:a1:9e:6b:e2:d5:96:e7:e4:c5:ed:4f:fd:d8:e4:c3:77:4f
Fingerprint (SHA-256): 8e:85:b7:91:72:b7:31:16:d3:6d:e9:0e:3f:e3:08:42:e7:67:80:79:da:75:7f:0b:30:20:da:c7:28:0d:41:af

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/116.crl

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

Advanced Certificate Properties

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

Public Key Algorithm
RSA
Key Size
4096
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 infofo.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 488339664697021478033397007068765555009267
 . . . . . . . . [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 2025-06-03 08:45:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-01 08:45:51 +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 'infofo.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 811777878917587908531913349779542998493948860919606352625903415498676492658953621295584484358143125304862119260902186164707398620636777734160989189482935647559164148392921582811836771331928207810251235609577054588962950366787224245022118001341695181445488841949806005786495800704252326723021769957129715558945899189388213674643016457458180959786642397689838505440967290342747372038037092673342231858570272563829663694191806652483374084480982741391377605097868759805963971941073642309644504855450139674181445776692458671122603832691366609180557315732068846888504630749377680012999309324212729287378327494676319499944488956201256143118081322850421429888260504498081539412540551006913301717253796001812773078111889361971585904571112270384877267011981751550607651108702172950317166714502392658871412194853678724793628813049513280702987380988057612671350512923301345687707664542743798437145345892431001787012595888531333125220222198307963710124761629912362390598749134115081236382052927712441285268761227170128315685125088169987596553090802849745063763419161383581529173920788124517483432491821858691824602006063147688335852337985356757464921889319827740919582253210589248352741878789090312371656946060874741121548992337092942388929580589
 . . . . . . . . . . . . . . . . . . . . [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)
							fcc90fbe18a2b7cdabe4e981510ba69764f0877a
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.infofo.ru'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'infofo.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/116.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)
							00f00076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197352d7ac50000040300473045022100e6d5a9b2c5c7a53b8e05436ae5691ca15748f4d065169dd281a9b9328fb1e5e302204b6991f541a471f310c7d49f72df2f7cfe160001adf63820f9f29d7806f656690076001a04ff49d0541d40aff6a0c3bff1d8c4672f4eecee234068986b17402edc897d00000197352d7bc50000040300473045022100a693df23e34589cccd1f9cd779b49ac98b988cab48db132265dd0ff6de80db9e02207fcf72959deb68df8d33e6a1f263aab54e05660f8f8d843081aa7b4644790b1b
 . . . . [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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