blog.sikur.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c6:c2:0e:24:57:18:a6:aa:81:40:20:48:35:16:cc:a7:a0 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:c6:c2:0e:24:57:18:a6:aa:81:40:20:48:35:16:cc:a7:a0
Serial Number (int): 328970710106032073869859462564521607735200
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c7:4d:00:e2:94:ff:23:7c:38:07:4b:9f:6b:d2:d7:7c:36:3b:37:eb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 03:e8:94:31:72:72:15:3e:36:23:e5:c2:1a:04:e7:62:8c:db:ad:41
Fingerprint (sha256): 37:d8:b7:40:ea:42:55:cc:ac:81:a3:2e:31:8b:f1:ca:53:12:ca:56:d8:ce:01:c1:17:02:20:d6:ed:ce:84:b2

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 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)
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blog.sikur.com
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vault.one
www.sikur.com
partner.sikur.com
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vault.one
sikur.com
licensecontrol-api.sikur.com
blog.sikur.com
sikur.com
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connect.sae.edu.rs
www.sikur.com
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partner.sikur.com
*.sikur.com
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licensecontrol.sikur.com
sikur.com
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homolog.vault.one
portal.sikur.com
phonebuilder.sikur.com
blog.sikur.com
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messenger.sikur.com
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www.sikur.com
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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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtG04ONxnL/fd9U+bxhyh
qfW16vYSMZH9aDanDH4vJF3WYyqhDqiqkWBpHT7iFpLm7y6MSQjceaPPo6zl52np
GE6m24lqTlkwdoIeBE0vXVrO60KhIO45mDl0L4XMncJ3L5+n76NitprGWCdc4ssz
AFLK3pNuQHZZS5brVBbap/zAo+w5BJAThZPI5iRXr1gltLOqs8bkdoTUWBiLwbQr
1JdqZFQELu1RZNJ2vxhqWmf5ZPK0jwopEyEb7w3bKa7KRNIJXEut48YMphL+FZco
1VJtlqjuZyCPf89raEmse+/DK9f6xhnRuaMZSwgENiA8Y9pW6IYzfqJPum1QjEOH
EwIDAQAB
-----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 328970710106032073869859462564521607735200
 . . . . . . . . [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 2019-06-21 01:17:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-19 01:17:32 +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 22776753094666159905535351225115873268013322771145678767596788145442492486558048912348288481111322504884140092802424373992673031281474626533935430502584007917603085943278808538713273397332375901478725396064918578206278602770550389923919106525441574287755324361942779972917733331382210899772605630253353706986548657526454192154318807341230140904892225467986277229247233709986199577180434612654936530006536760432777572545085327435459456299437276485576165054788622876551353351352441705826719748778173108537129280397772121365188605312973982185370190301045110659834864200240388308801859819946223020214731243512672588891923
 . . . . . . . . . . . . . . . . . . . . [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)
							c74d00e294ff237c38074b9f6bd2d77c363b37eb
 . . . . . . . . . . . . . . . . [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)
							00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016b77d31f1f00000403004730450220427a08940df453031a66d1afbc1587dd81383307d3e008d87a0515b2f5bf3722022100e6851c7502fc1bc73eb66a31ca79eced43299ce454135b1463580d525770776b00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b77d31e71000004030047304502210091bb4d6f4c52f3902e7f74c68368ae1d893c88fc0a65454c97641cd767c1c71f022054e39f9931a3c340ec529658c36ea22e64e1b92492f971f0f2f84497113a5f9e
 . . . . [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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