lyubakirkova.com

Issued by R3

About this certificate

This digital certificate with serial number 03:a6:30:d4:e2:f8:1a:fd:c3:10:57:44:3d:7e:cd:92:b0:c7 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=lyubakirkova.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a6:30:d4:e2:f8:1a:fd:c3:10:57:44:3d:7e:cd:92:b0:c7
Serial Number (int): 317888639018369718338614203836987205660871
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 74:64:51:ea:bb:9f:f4:34:8c:d6:9d:0b:65:d4:32:ff:f4:04:eb:8a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 38:fd:7f:df:d2:b4:00:d3:21:ee:a4:7e:84:ee:d1:c0:57:2a:46:9b
Fingerprint (sha256): 72:1b:b2:18:a7:d6:b6:2d:89:ee:6b:7c:da:6b:dc:95:eb:5b:20:a7:4f:e4:78:3c:3d:31:f4:20:5f:2f:eb:f1

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

Revocation information

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

Check the revocation status for certificate lyubakirkova.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for lyubakirkova.com

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

lyubakirkova.com
www.lyubakirkova.com

Other certificates including the domain name lyubakirkova.com

(limited to 100 certificates)
*.lyubakirkova.com
www.lyubakirkova.com
lyubakirkova.com
www.lyubakirkova.com
www.lyubakirkova.com
www.lyubakirkova.com
www.lyubakirkova.com
www.lyubakirkova.com
*.lyubakirkova.com

Certificate

The complete raw certificate details for lyubakirkova.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2fHM7gY5xqgazy6guFXB
0O3ydUjbqKHhdNs03zlCaCy2w8/q5hGXr4mzwe5Aua+J01z/H+65OaD6M7N2wVtk
j3sJulHkViZgeLATVRNFGDkPG2kLjz88eiDzPLL6O/y0jS6uIRzZWVsFbAOCMPB+
oGviDj7KfeVaEm9lYYwIcM0zlNG7idZePIk1su0ALzufR/3JutTg3EwUmok177G/
bOrVjRvsK8pLjSlgVk8WBa+dXk7B9qtsLU28z1Ya87yFEVlpIQ3t8tU+Qa4tR5jh
baNtFIyXpdx2/OO4/bIu4JzSbc3EJCvAP6uPEBpVxnHqfBXwQz3+M9a1rYgu3W7O
KwIDAQAB
-----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 317888639018369718338614203836987205660871
 . . . . . . . . [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 2023-09-16 18:16:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-15 18:16:34 +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 'lyubakirkova.com'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27512948451614905480344359395178968256107458514262483339394592305767778301422898894058332682741142766563008229469529151151184830051921403600677983596708820101757236755404008469297839119296886130887555321236566628446259665626319845046333273293657439703546942610699125941368109904111544995916561761071991132331626217314970073312961351992762006723248396374007567868775994977579234720716190435144378796775992710949811388708659818291107474025338587060503719146550760408132159191802218907304287001325081884977818925428713673872824171785059037080364038036070549653507740961134130106279973276092744677103224431213805155831339
 . . . . . . . . . . . . . . . . . . . . [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)
							746451eabb9ff4348cd69d0b65d432fff404eb8a
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lyubakirkova.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lyubakirkova.com'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a9f6c64400000040300483046022100e6cc416454939e331e1819922ed61483946da8704567192e7d966af2aa8abeee0221008c3df0983184d424b0ae3a4cb63ec9711c81060a9010ffa1e70d1f6e12abc4b4007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018a9f6c643f0000040300473045022053fa3516bf2a7d002e1cebaa3aac8f506309a596dd93ca6d01b9e31bb36a4191022100955035cfaa7c592bd6ff9cc36a472aee2bfcf0a30684aafd4d114ec7faa32d58
 . . . . [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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