blog.sikur.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:5a:16:5a:55:1e:be:e0:87:34:ac:04:a2:50:e8:05:7a:22 was issued on by Let's Encrypt.
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=blog.sikur.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:5a:16:5a:55:1e:be:e0:87:34:ac:04:a2:50:e8:05:7a:22Serial Number (int): 291991982867230472710826531169546247961122
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c7:57:67:19:3d:11:af:bb:c1:06:f3:ae:a9:24:60:49:a0:9a:4f:bb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): bf:22:e8:f4:73:43:59:c7:32:85:23:1b:28:0d:09:ea:32:55:13:fc
Fingerprint (sha256): ac:20:32:3b:85:e8:13:41:bb:66:6c:d3:29:75:01:9d:6f:15:9d:d0:95:d0:52:f7:c3:58:24:02:1e:db:0f:d0
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate blog.sikur.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for blog.sikur.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
blog.sikur.com
Other certificates including the domain name sikur.com
(limited to 100 certificates)
blog.sikur.com
sikur.com
www.sikur.com
sikur.com
sikur.com
intranet.wangerland.de
blog.sikur.com
one.sikur.com
partner.sikur.com
sikur.com
www.sikur.com
blog.sikur.com
blog.sikur.com
blog.sikur.com
sikur.com
vault.one
www.sikur.com
partner.sikur.com
sikur.com
partner.sikur.com
partner.sikur.com
vault.one
sikur.com
licensecontrol-api.sikur.com
blog.sikur.com
sikur.com
blog.sikur.com
connect.sae.edu.rs
www.sikur.com
www.sikur.com
partner.sikur.com
*.sikur.com
www.sikur.com
licensecontrol.sikur.com
sikur.com
www.sikur.com
homolog.vault.one
portal.sikur.com
phonebuilder.sikur.com
blog.sikur.com
sikur.com
blog.sikur.com
messenger.sikur.com
blog.sikur.com
partner.sikur.com
blog.sikur.com
sikur.com
www.sikur.com
www.sikur.com
sikur.com
www.sikur.com
sikur.com
www.sikur.com
community-test.quanta.com
connect.ditmer.nl
www.sikur.com
blog.sikur.com
*.sikur.com
sikur.com
licensecontrol-idsrv.sikur.com
blog.sikur.com
sikur.com
panel.ecommercity.pl
phonebuilder.sikur.com
www.sikur.com
www.sikur.com
www.sikur.com
sikur.com
www.sikur.com
sikur.com
sikur.com
intranet.wangerland.de
blog.sikur.com
one.sikur.com
partner.sikur.com
sikur.com
www.sikur.com
blog.sikur.com
blog.sikur.com
blog.sikur.com
sikur.com
vault.one
www.sikur.com
partner.sikur.com
sikur.com
partner.sikur.com
partner.sikur.com
vault.one
sikur.com
licensecontrol-api.sikur.com
blog.sikur.com
sikur.com
blog.sikur.com
connect.sae.edu.rs
www.sikur.com
www.sikur.com
partner.sikur.com
*.sikur.com
www.sikur.com
licensecontrol.sikur.com
sikur.com
www.sikur.com
homolog.vault.one
portal.sikur.com
phonebuilder.sikur.com
blog.sikur.com
sikur.com
blog.sikur.com
messenger.sikur.com
blog.sikur.com
partner.sikur.com
blog.sikur.com
sikur.com
www.sikur.com
www.sikur.com
sikur.com
www.sikur.com
sikur.com
www.sikur.com
community-test.quanta.com
connect.ditmer.nl
www.sikur.com
blog.sikur.com
*.sikur.com
sikur.com
licensecontrol-idsrv.sikur.com
blog.sikur.com
sikur.com
panel.ecommercity.pl
phonebuilder.sikur.com
www.sikur.com
www.sikur.com
www.sikur.com
Certificate
The complete raw certificate details for blog.sikur.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFVDCCBDygAwIBAgISA1oWWlUevuCHNKwEolDoBXoiMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODEyMjIxNzA5MzZaFw0x OTAzMjIxNzA5MzZaMBkxFzAVBgNVBAMTDmJsb2cuc2lrdXIuY29tMIIBIjANBgkq hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0fPx0aNtrg5htGl+UlrRU/4Uge+B+uRV JSbiyo0yRuZ0t1r5OMHEoAEfW93+zyB7swFzQJIhTdJTx/bYxKmNhoxqjSMDuppp X4X81jc9QgmTHe+kDUw9ezRTsZ5wpXtby+ivRoeA7Sf2VVt9Ckjr21J76rOEu27z FW9rW/fPOTkQS1n+xl4Vrk8XQ6qZCwmvjBFNSQt11HKkTbdE4hkTHgUt0KfeSdXW FOYiPVWerSpyrFsiCWDqHmURxtpFclD3kNtRWhPucqJIQ7X2sMDH3ZHEo9bAtHpB Mvxh125j+OOl13bvtOOI+Mby3aHUPvKrsA7G8o22Fmz3XCxwatS0WwIDAQABo4IC YzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF BQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTHV2cZPRGvu8EG866pJGBJoJpP uzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRj MGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5v cmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5v cmcvMBkGA1UdEQQSMBCCDmJsb2cuc2lrdXIuY29tMEwGA1UdIARFMEMwCAYGZ4EM AQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0 c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHUA4mlLribo6UAJ 6IYbtjuD1D7n/nSI+6SPKJMBnd3x2/4AAAFn1xu1CwAABAMARjBEAiBFvO/KTg2o IghlXJnhHFB9pc/S4OneKIsrSJOlwMd9cQIgGVwFjdZfAbMSmqv5mUa03838fXqn 9xf9KdMXxeKrriYAdwApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAA AWfXG7VXAAAEAwBIMEYCIQDsjhvf955rCxUq60aZOZ4rrg52MIYpQxX6jC5lIbs8 CQIhAPoinGTeZqt4B+yM+t1ZG7s+cXmX45gJvPRxy9giuYOHMA0GCSqGSIb3DQEB CwUAA4IBAQBt2hSQh1g16sugx3XXDf1iLlZiK1xO1VBiypr1runSRSgwq17xWXxe uv62ALo+RgKmhI/v4Wylbx9+B7BCKWLtVlMx3mGHWeo5rdqtt5HIfUtf1dZOCkb6 5TsOhd+EysB3MBLgfwHOQczF6ceUbyvXJIEZ4bNrB/eWGiYqTcHVojgGvvgRZNKt yZLbzjrIsZeU5nw6H9NE593u0FjXb9lGtTQHJutLspptLc/QZVkWrWACmE4oc+im wj2ToAn6LTALMSIzSxZJSjxSTpwGZwV4i8x9UXzRJokn6Zft3da87uvU9bgd/KQt 0PnmaRF+aML+aMA6R76fYUeO5NnFSzBK -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0fPx0aNtrg5htGl+UlrR U/4Uge+B+uRVJSbiyo0yRuZ0t1r5OMHEoAEfW93+zyB7swFzQJIhTdJTx/bYxKmN hoxqjSMDupppX4X81jc9QgmTHe+kDUw9ezRTsZ5wpXtby+ivRoeA7Sf2VVt9Ckjr 21J76rOEu27zFW9rW/fPOTkQS1n+xl4Vrk8XQ6qZCwmvjBFNSQt11HKkTbdE4hkT HgUt0KfeSdXWFOYiPVWerSpyrFsiCWDqHmURxtpFclD3kNtRWhPucqJIQ7X2sMDH 3ZHEo9bAtHpBMvxh125j+OOl13bvtOOI+Mby3aHUPvKrsA7G8o22Fmz3XCxwatS0 WwIDAQAB -----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 291991982867230472710826531169546247961122 . . . . . . . . [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 2018-12-22 17:09:36 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-22 17:09:36 +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 'blog.sikur.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 26504099306072901691765274849645572253181413403494923344548996388910969981075255965323193961216364363604387649416835246602453420011463297516955050260378916823115499862023204630119851133928670188831339128237038130086352038786295170611776279232225001033633851325836642149627049211066111033193185000130192793689594813619169682720931307223147629652672658788356448657640590606668769396951406521349155709019478873373505211981301127031146536844722365884586240918849247422990002974315698175665405383841964732646663192152938625196879316735411571415497394322775546144187914926198331522483875958366674285527225293751893557032027 . . . . . . . . . . . . . . . . . . . . [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) c75767193d11afbbc106f3aea9246049a09a4fbb . . . . . . . . . . . . . . . . [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 (18 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.sikur.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 (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) 00f0007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000167d71bb50b0000040300463044022045bcefca4e0da82208655c99e11c507da5cfd2e0e9de288b2b4893a5c0c77d710220195c058dd65f01b3129aabf99946b4dfcdfc7d7aa7f717fd29d317c5e2abae26007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000167d71bb5570000040300483046022100ec8e1bdff79e6b0b152aeb4699399e2bae0e763086294315fa8c2e6521bb3c09022100fa229c64de66ab7807ec8cfadd591bbb3e717997e39809bcf471cbd822b98387 . . . . [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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