www.sikur.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2d:6e:e9:be:a7:62:92:97:4b:c4:d3:da:b0:1a:b4:6d:fa 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): 03:2d:6e:e9:be:a7:62:92:97:4b:c4:d3:da:b0:1a:b4:6d:fa
Serial Number (int): 276796993058346784738887130343943282388474
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d6:44:45:88:4f:7b:85:60:b3:ad:1d:31:a0:44:3a:fe:32:03:d9:81
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 27:a5:e7:b3:ef:fd:75:5a:24:80:19:37:a5:f5:2e:12:42:ac:bb:af
Fingerprint (sha256): 78:ec:00:f6:cd:96:51:63:e3:1c:ae:0d:61:90:98:88:e3:2a:ab:93:ce:6f:cd:95:28:14:56:92:22:9d:a8:51

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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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2wm76R9W/x4pKVZYuLxi
NESibg+r57TcHdr9W5lnyUHTrldv+MNY+P9BrsBGsTImDeu1/5XFAMPry8ktav1k
RA/UvqNxPEJHH87LduTVST0pt4ie2Gklfm8oVYTKM3I6P/C6r3kdhH7ipxtWYJbL
ZZoJI/4bSYsggza5K/Rf5sJ4MtjKU1K9KInAPxt4Vb76rQyxVxmbDOfu+yKDEksE
DgqTby0lOFQOTAtqmbth/vKTE4g2+oPExfydYXAS7GSB4wvZwE+tgk/7H8Ed5ihT
qwRlktgJ+6RyA782dqtS9Gu9dZ2o2+PNOBxTwwKoVmiDGURKQrdccMmpGXP2h9z1
lQIDAQAB
-----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 276796993058346784738887130343943282388474
 . . . . . . . . [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 2019-11-02 19:50:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-31 19:50:48 +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 27650988814645403583087289520145444996833365885933210993043277089269267806707925307920821232032376572972184528119217801168011045968873362928383279663134434216597213379260249465679286316802800941834437184253565202302896166137841480589442514620610886895275564987241864372632180321009925148688093385392595694611875145225059462389393070358205393009141045105643809990119714657448342231121351286948748036469750827806026938792630878516729047744318936514009703509033315576622103630234927411673642762240160124018824866931021047651203017981894933520198058150917651186899574286497347955938334637037155990169834019303700018558357
 . . . . . . . . . . . . . . . . . . . . [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)
							d64445884f7b8560b3ad1d31a0443afe3203d981
 . . . . . . . . . . . . . . . . [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)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e2de27df70000040300473045022100888ea9809a7ed4f1b0fe0813fd46a207af75ce69932a40fd84190d6fe1cd9d0a02201237dae23b0a3b5d80cac5dc1252259c067aa705068100489190d36edbb4d7d6007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e2de27de6000004030046304402200bc12f73d7eeae5c47747b8e08eee4aafdc6cd399569e95a409f05393fbb1fed0220149be061548a6918e1ec17a1295c73f6f8de8785900f6313d545e7b5766bd345
 . . . . [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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