yogika.ru
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:39:3e:63:ef:93:91:19:a9:23:29:60:d2:bd:73:94:53:8e was issued on by Let's Encrypt.
With 8 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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=yogika.ru
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:39:3e:63:ef:93:91:19:a9:23:29:60:d2:bd:73:94:53:8eSerial Number (int): 280815883742089233599983539300635552011150
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: d6:14:9e:01:31:78:4a:7a:fd:5f:32:92:22:c3:d4:46:1e:9b:7b:d3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 10:8b:b5:ec:e8:cc:81:bf:d9:a8:d3:4f:55:b5:5f:23:8d:45:42:6f
Fingerprint (sha256): 48:a7:04:f8:47:1c:3d:3a:f6:8f:8b:10:07:8a:9f:d2:a1:3a:88:1d:d9:f9:27:b6:75:1f:df:a0:04:fb:b1:db
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate yogika.ru
8
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for yogika.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
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
cpanel.yogika.ru
mail.yogika.ru
webdisk.yogika.ru
webmail.yogika.ru
www.yogika.d-steel.ru
www.yogika.ru
yogika.d-steel.ru
yogika.ru
mail.yogika.ru
webdisk.yogika.ru
webmail.yogika.ru
www.yogika.d-steel.ru
www.yogika.ru
yogika.d-steel.ru
yogika.ru
Other certificates including the domain name yogika.ru
(limited to 100 certificates)
golubkiny.yogika.ru
yogika.ru
inkitur.yogika.ru
yogika.ru
eurbox.ru
convenientgate.yogika.ru
convenientgate.ru
yogika.ru
yogika.ru
grantkhv.ru
inkitur.ru
bridgge.ru
golubkiny.ru
yogika.ru
yogika.ru
yogika.ru
yogika.ru
inkitur.ru
golubkiny.ru
interiorr.yogika.ru
eurbox.ru
bridgge.yogika.ru
yogika.ru
grantkhv.yogika.ru
yogika.ru
yogika.ru
interiorr.ru
mail.eurbox.ru
eurbox.yogika.ru
yogika.ru
inkitur.yogika.ru
yogika.ru
eurbox.ru
convenientgate.yogika.ru
convenientgate.ru
yogika.ru
yogika.ru
grantkhv.ru
inkitur.ru
bridgge.ru
golubkiny.ru
yogika.ru
yogika.ru
yogika.ru
yogika.ru
inkitur.ru
golubkiny.ru
interiorr.yogika.ru
eurbox.ru
bridgge.yogika.ru
yogika.ru
grantkhv.yogika.ru
yogika.ru
yogika.ru
interiorr.ru
mail.eurbox.ru
eurbox.yogika.ru
Certificate
The complete raw certificate details for yogika.ru in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFzjCCBLagAwIBAgISAzk+Y++TkRmpIylg0r1zlFOOMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMjgxNjQ1NDBaFw0y MDAxMjYxNjQ1NDBaMBQxEjAQBgNVBAMTCXlvZ2lrYS5ydTCCASIwDQYJKoZIhvcN AQEBBQADggEPADCCAQoCggEBANbD5JZ+DHnNGpFs5bOmaez5d+BxMtVufBXEzYeK oqb9UqvzynHcSxUyot4aWlVQJH9XA02iy29pXSsi9nUlfct2EZ/xValaFXz3f5Uw kWE0Irih+g90avVnUAzsXEPWqu4Kw7AyO4IZ/v6KlCRsHftC9rXbd8V0nz/JfubL T3osEO/M8mkdv2R4MQEGtO9ojweZ+rDHjewUv6mJZdO7Ixcr3NrbZnxrgh1jKol6 8g+OyjBnlpDF9fw2eh6OTnOK9hBju8+Uq5+1QHl7C4c+vvi+3KFqRwbUUhbOSwMe 12eRsP6iKGVLmRmTgnQgYaRb2U+UQpwmH7mSBCopWac4HW8CAwEAAaOCAuIwggLe MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIw DAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU1hSeATF4Snr9XzKSIsPURh6be9MwHwYD VR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4G CCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8G CCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzCB lwYDVR0RBIGPMIGMghBjcGFuZWwueW9naWthLnJ1gg5tYWlsLnlvZ2lrYS5ydYIR d2ViZGlzay55b2dpa2EucnWCEXdlYm1haWwueW9naWthLnJ1ghV3d3cueW9naWth LmQtc3RlZWwucnWCDXd3dy55b2dpa2EucnWCEXlvZ2lrYS5kLXN0ZWVsLnJ1ggl5 b2dpa2EucnUwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEE AdZ5AgQCBIH1BIHyAPAAdQBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFF WAAAAW4TeTMnAAAEAwBGMEQCIGvZ7oQzXOfKqRCSA28CdjVYyH3VOIrtWHQd344X MoeXAiBwSQhL7wPkAQqoosYxBx10UFNfsCc5cZtLVVFAecDNjAB3ALIeBcyLos2K IE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABbhN5MxUAAAQDAEgwRgIhAN5Xb72n 7C2O1qJxhaDsAdoryfSBmTmLwsigp4laxuNoAiEA4HUROoKtyxQLHpYemWzp/pNb CB8pv1O8dwekcnyoIqYwDQYJKoZIhvcNAQELBQADggEBAHfg1ozZCL+fk09xEFPZ h9ROFOWA1KJToTRjfAwjkT8DuP2c25aAfXmoSgak2YzC8Wltv0/zPp82GM/euA9y BH7ekgBQRi0Yd05HHiL4N0quhr0RiC7aL1yymKc4J9M2yI+jyhxD6W+XjgdmgBFG QW4ajL1meMtBPbmHpBI53AEedWQ4ktFXb7n9nE0E7N7m9XMDjE1YCLcMV1mbps0V 85nPYnAWz0nHZdL840XpsUiX2UKdiBDQFi2nlmhBSwI/HJWGHWGnABSmiMUnwJou T93NitE45vP0FPfcaS1LNNtTYpJXcsZcuAbSIE7FHOQtiYf5UJGdeMVbFx0gpjMj GeU= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1sPkln4Mec0akWzls6Zp 7Pl34HEy1W58FcTNh4qipv1Sq/PKcdxLFTKi3hpaVVAkf1cDTaLLb2ldKyL2dSV9 y3YRn/FVqVoVfPd/lTCRYTQiuKH6D3Rq9WdQDOxcQ9aq7grDsDI7ghn+/oqUJGwd +0L2tdt3xXSfP8l+5stPeiwQ78zyaR2/ZHgxAQa072iPB5n6sMeN7BS/qYll07sj Fyvc2ttmfGuCHWMqiXryD47KMGeWkMX1/DZ6Ho5Oc4r2EGO7z5Srn7VAeXsLhz6+ +L7coWpHBtRSFs5LAx7XZ5Gw/qIoZUuZGZOCdCBhpFvZT5RCnCYfuZIEKilZpzgd bwIDAQAB -----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 280815883742089233599983539300635552011150 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-28 16:45:40 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-26 16:45:40 +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 'yogika.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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27111595662516746864694967169499910459948998229535697183626748476922044958690848937185839826961476010156387223852891823742965168137751784765488953202269715089927200431250784789274816996042215797045162281127111881837492021258714199861758899287948910652494713580185736654585988114367558248366165520671168396112120849791505368503138919350160804945525622123144057736960431129645651314914100382961106956818394196229830818479238682369140281404422331359803342625059905777167988883004557916666417636257190136839379398536972170064497778277670908502080415170510267043596310158743206952446789748023925573290345507810061535681903 . . . . . . . . . . . . . . . . . . . . [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) d6149e0131784a7afd5f329222c3d4461e9b7bd3 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (143 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.yogika.ru' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.yogika.ru' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.yogika.ru' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.yogika.ru' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.yogika.d-steel.ru' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.yogika.ru' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'yogika.d-steel.ru' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'yogika.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 (69 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [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) 00f00075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e13793327000004030046304402206bd9ee84335ce7caa91092036f02763558c87dd5388aed58741ddf8e1732879702207049084bef03e4010aa8a2c631071d7450535fb02739719b4b55514079c0cd8c007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e137933150000040300483046022100de576fbda7ec2d8ed6a27185a0ec01da2bc9f48199398bc2c8a0a7895ac6e368022100e075113a82adcb140b1e961e996ce9fe935b081f29bf53bc7707a4727ca822a6 . . . . [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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