www.sikur.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:be:1f:d9:ef:0e:f9:73:f8:79:fc:3e:f7:ce:9e:29:82:26 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=www.sikur.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:be:1f:d9:ef:0e:f9:73:f8:79:fc:3e:f7:ce:9e:29:82:26
Serial Number (int): 326032845155228973962829105732580083860006
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 42:7f:bc:44:27:57:c5:7c:78:03:4a:e8:a6:f6:28:40:e2:dc:96:e5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fd:94:f1:3a:e4:3c:2a:e0:bd:79:db:fb:d7:b8:31:87:f6:99:03:67
Fingerprint (sha256): cb:0a:3b:6f:25:85:04:33:3a:a6:74:9d:68:79:e8:34:f9:13:4c:27:c0:dd:52:16:8b:34:cb:55:7b:9d:dc:00

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.sikur.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.sikur.com

Other certificates including the domain name sikur.com

(limited to 100 certificates)
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www.sikur.com
sikur.com
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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 www.sikur.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnJ4ui27Gp+7meriPyOU4
AYWRh0bs7kX5byQW1H/P7UM8SA1PFkxg9kivfQRXEF2n1eApOU0W298dKia5XDXk
xgI38PjZBq8/1+YS4Q290CndhEn2+sJGN5wUpmePgbGePa5aoBfKnstzkMNxMqoH
Zb4qlWl4qoaz1SWpsSwkg1qfnMISP26Vmnumy+yPW1zmA0nt6y85QJtVv3cpgD+Y
mzuZEf7BUUW7KyDVmOIYKvrVgGskSDtjN+Jcs55x2AXtdf+fLaEhQ+Eb/t2liAgt
+wkPXNCD0P5IFrskA9pp7GvHnteNj8lTgvuq7w2alK3I97JTg/yTXMug5qCqnXSb
6wIDAQAB
-----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 326032845155228973962829105732580083860006
 . . . . . . . . [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 2019-10-26 18:24:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-24 18:24:10 +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 'www.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 19771177934906130727141206565639145286995396845838395118128691839929558894055678463030696422297353060034743103007495858393646154541788710385110119616573051247411825378386605887651805092908668288160148638573906368348838531308798253666186789833726174987272979545781934316630915676499894030899714423069989074984684265432391630460662639847048871049222917754133880677458703455502688913137336468501679209550847502721521069280647162862911699957733952375898867758173621478731468237847253367893837132554561475148339298325678678713300020931569447652990181613607156869167922275495848127975534579023343402314549130724674748324843
 . . . . . . . . . . . . . . . . . . . . [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)
							427fbc442757c57c78034ae8a6f62840e2dc96e5
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e0986ab2b000004030046304402203133ec56e34e2e7627a7f76bbb6e53a4ba69c92412350d973de5130fa676551e02207bf1d68f3360cb36c9b1761201a527791912e006df5a04c2a9648ebf8f964368007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e0986ab1b0000040300473045022100f4c8a298d35067b6cb8e37bbdc98a93c8e441168884390562c27771f5dcd232b02207c8c984af5d11559a78eb4a7c4e18547bde0a35a19dd37ccbcb868304bf9f293
 . . . . [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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