duer.pl

Issued by nazwaSSL

About this certificate

This digital certificate with serial number 73:8a:93:26:d7:83:1d:24:33:99:ac:4b:e3:c1:e4:5b was issued on by nazwa.pl sp. z o.o..

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=duer.pl,C=PL

nazwa.pl sp. z o.o.

Organization: nazwa.pl sp. z o.o.
Organization unit: http://nazwa.pl
Country: PL

This certificate has expire since

Certificate Details

Serial Number (hex): 73:8a:93:26:d7:83:1d:24:33:99:ac:4b:e3:c1:e4:5b
Serial Number (int): 153580741073322827944659857706565362779
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: c8:f5:01:5a:ad:f3:ba:a4:1c:82:03:48:ed:e9:26:e7:4e:a0:17:ae
AuthorityKeyId: 54:dc:90:bb:9d:47:19:51:c3:79:68:2c:84:ed:2e:df:5f:46:ba:c7

Fingerprint (sha1): 00:43:9c:f0:fe:61:9c:4a:4c:0f:3a:73:41:05:cf:07:c3:9a:51:57
Fingerprint (sha256): 39:bd:44:d0:cd:89:16:18:41:17:61:8b:2f:fb:76:cd:f3:95:e8:a7:ce:42:bf:8b:3f:98:5b:ab:fe:9a:9a:a5

Issuing Certificate URL: http://repository.certum.pl/nazwassl2sha2.cer

Revocation information

OCSP Server: http://nazwassl2sha2.ocsp-certum.com
CRL Distribution Point: http://crl.certum.pl/nazwassl2sha2.crl

Check the revocation status for certificate duer.pl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for duer.pl

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

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

duer.pl
www.duer.pl

Other certificates including the domain name duer.pl

(limited to 100 certificates)

Certificate

The complete raw certificate details for duer.pl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4PE1GztGioys0RhIFUnf
6qcT/cY6F6E4iZfDjvbztanf7sGCC5abnr6uOf1bvpG7OGgXr5QyjujnRt5BYa3b
+SRSXWNAt6eDBPd3loKROJArHwH4cHga0sDdwXvdAPCcj9SDJwIwWNp2wOPFBUXz
QwCr9vt67i8dqK/91qcvnuIvu2w234/mTD7frwXYPFdO9NmNa6d5/BbHgYlAUSAp
bc/wcpZX1ZF00QRjLy7+zovK6KywjuQzqh368g+l23aYlpT3/XhAkI6eldHEGL4b
fawxgDttaQ82Sdl57EdNwgfWNMx3YGjk08+sEsCkMzugE/NOCj1abKe8yNf4DQVA
oQIDAQAB
-----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 153580741073322827944659857706565362779
 . . . . . . . . [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 'PL'
 . . . . . . . . . . . . [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:12|false] UTF8String 'nazwa.pl sp. z o.o.'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'http://nazwa.pl'
 . . . . . . . . . . . . [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:12|false] UTF8String 'nazwaSSL'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-22 13:37:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-27 14:37:47 +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 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'PL'
 . . . . . . . . . . . . [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:12|false] UTF8String 'duer.pl'
 . . . . . . . . [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 28396324137496687916348418684099369562412533919909956744144151208270779243034591983691672814983846708384778457142057637832468862571441396825374326613762426412689830542130823966916152944674487754421218584518641079768076476792615717272896562822154647332951944973530116214701038889850480529836889849073844359548406086490339926492560449530725430560984092003797868925444508158552968385466389727608767119772624370747460749571289485893762766440506946781491309827314129159236001129540326602495638507361610640260076145883613304611353773362377054943648078016957428530024104159490601486612491683407538401440952567109167222177953
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.certum.pl/nazwassl2sha2.crl'
 . . . . . . . . . . . . . . . . [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 (111 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://nazwassl2sha2.ocsp-certum.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://repository.certum.pl/nazwassl2sha2.cer'
 . . . . . . . . . . . . . . . . [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 54dc90bb9d471951c379682c84ed2edf5f46bac7
 . . . . . . . . . . . . . . . . [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)
							c8f5015aadf3baa41c820348ede926e74ea017ae
 . . . . . . . . . . . . . . . . [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 (70 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 1.2.616.1.113527.2.5.1.9.2.3
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://www.certum.pl/CPS'
 . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'duer.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.duer.pl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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