gcov-kazan.ru

Issued by R3

About this certificate

This digital certificate with serial number 04:d6:40:e4:33:af:25:90:76:0d:56:fb:26:2d:45:ed:ba:77 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=gcov-kazan.ru

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d6:40:e4:33:af:25:90:76:0d:56:fb:26:2d:45:ed:ba:77
Serial Number (int): 421355825731815242138621097876732695657079
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2e:67:39:ef:b9:fc:95:fd:d6:b6:12:fd:cb:d3:d3:cc:dd:3a:41:be
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 10:1b:db:e6:cc:db:a4:11:47:f1:a1:3b:43:61:3a:09:41:bf:a9:95
Fingerprint (sha256): 69:83:90:52:c1:32:44:59:97:d7:d0:4a:09:4f:5b:c7:7a:40:44:0b:0c:47:57:1b:e8:81:39:ef:45:63:49:0c

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate gcov-kazan.ru

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for gcov-kazan.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

gcov-kazan.ru
www.gcov-kazan.ru

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gcov-kazan.ru
gcov-kazan.ru

Certificate

The complete raw certificate details for gcov-kazan.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 421355825731815242138621097876732695657079
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [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 (countryName)
 . . . . . . . . . . . . . . . . . . . . [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 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-02 23:55:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-01 23:55:30 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'gcov-kazan.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 (rsaEncryption)
 . . . . . . . . . . . . . . . . [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 808275659117360152207583697793724684267549542737509684062912624323964355088880192759249052229172951278542892603175444156362540948763765520195930031809630220706242697146238420691994254341262278075858873227179277063615217665259411152763895112945388394809881201239884193220064941600071469077746511952713902914208187988092008846146218910399469612036454697078429976049485812179107678552276020228682461214938347137854596638017864451869040602029623418325073642809163491900786328656901497712956108489610979445946209649904872014849985057721584405365729633195008724417790811953171173476872083794253397270348267325249365753572808351017660290291095533320143274576268730607689078384408626988744341489461496712738256939295961906408308990634299344591776791785499157600698703640426750544475932957422009475583651002329906755605924289346105412313733612492000514512312958081742809388330278733579848135761147496545593421276705043381716478669563208624769275774224623697614576474209533708098025093074078978948906687054474332868174130864595540058885993637212667739107268769003304193692873709057938343760978423957327845950636565849805561081320599454729693791103557288810767146872263346852861912469594693568703648301679489556715461377298224670959818313779217
 . . . . . . . . . . . . . . . . . . . . [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 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [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 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [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 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							2e6739efb9fc95fdd6b612fdcbd3d3ccdd3a41be
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [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 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.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 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gcov-kazan.ru'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gcov-kazan.ru'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c2d2c5cf60000040300473045022029d4b64592800c1b983eef981a7f03097db66bd8a4a2ee882308d34c45f6808202210099d5424d6d98df5259c1ad8a252d30af5f840f73b13d2dc2404ba1d4ba0f7f2d0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c2d2c5cf40000040300463044022066ecc4a43d0ffac54c2af9ca4d13bfb2c59e35c6e6f2e3bb1e21b675bc57e65c02204f34bb001004c4d0c03fdd24975c35d1398cb93533d67b413082a72fa2da0f5a
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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