www.sikur.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8a:9e:72:be:f1:ca:d2:ad:25:3a:3c:be:a6:08:a6:8a:e1 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): 03:8a:9e:72:be:f1:ca:d2:ad:25:3a:3c:be:a6:08:a6:8a:e1
Serial Number (int): 308506438248360720099903092517067752377057
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 05:f4:ee:db:05:b1:69:16:72:bd:ab:2c:39:9c:97:b8:c3:75:68:f4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 16:4d:5f:e0:f2:5c:26:36:07:94:55:03:b6:a8:5c:c0:3a:b9:7d:e7
Fingerprint (sha256): f3:bc:9b:84:f4:92:2e:2c:b2:ae:cd:88:37:9f:cf:4d:26:59:a1:e5:30:9c:cc:a8:d9:6c:3f:58:8e:13:a2:ab

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

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sikur.com
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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 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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk9Q0JYUJBHQsSID5Z0IY
Wtp1wP1LKEr7ei8JS13IiVu0F0+MG7n0DJOPTMRLnOuAay0OYkCLKYl61ufTi8T2
k3/sKXUVtqHsYmYOTKjjkIqUgBtL9Pqr8z0/pxJzILKlJ+FpruwpcAEE4ATgATsd
lDdXuUcp3BL1huFIxGEZfBz4mf8MfBIE2DHD9SYBwMHkuVUBtCfmE/bQjp2UOsDC
Zuc5St5SFGqAwRfIiKIpqZw7JwCdf6kRoJ9sVMNru3dNeUmrfaTUtS6JQlCHKOrJ
pgVsmTruzQ+Q/seEajKdhA6DuliO8P4CdWXtoTRzSGtQLuum00MZEM+argjKKrV1
OwIDAQAB
-----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 308506438248360720099903092517067752377057
 . . . . . . . . [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 2019-06-26 22:26:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-24 22:26:50 +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 18661672373293918885730119979376538320427095132954929582616370131555162602253268097399208459247420903232337328150026597102758805888670197885940305409353270521433248938866631801225069618032899405371540120961577373776334396266271288590713485796115386205923242376175007642201139591387249188771452895571756043091662555284933404051591084235436974758409391967593435236844766575049099870235643534233501525535090226433625386119710360099611073852587150362702933876552898436720350361767757596067706748177598251062343202376869050659011525416667742421319006250269574946604445981282688165470454575907967466911628836478253396227387
 . . . . . . . . . . . . . . . . . . . . [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)
							05f4eedb05b1691672bdab2c399c97b8c37568f4
 . . . . . . . . . . . . . . . . [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)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b961cfd39000004030046304402203170a6034a9e11b23d71011a3503a06759704ea22e45e9fb3f1d97c6213f0eb30220652b10479c5ad7770e8ae5e6d3e8a7087331cb449756a25b4181016acc2bc6e900760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b961cfd260000040300473045022100a49f9ecaa0cb4fdc14fb8168e87ccd14a817ad70239e4dce05a591f21aebb61b02203939d9a74b60fd0412a2324c0b3dac64c5f5cea1d97667b0c83f57d808f01524
 . . . . [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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