*.prospeak.pl

Issued by R3

About this certificate

This digital certificate with serial number 03:dd:eb:4a:77:a0:a1:9a:f5:e3:4d:a5:e6:db:88:08:3a:4e was issued on by Let's Encrypt.

With 4 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=*.prospeak.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:dd:eb:4a:77:a0:a1:9a:f5:e3:4d:a5:e6:db:88:08:3a:4e
Serial Number (int): 336852016120118390431815718679298311731790
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2c:7d:33:74:cf:12:6d:f6:64:ed:b4:f9:37:c1:db:ae:2b:78:18:4b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 71:11:08:d5:6d:5c:a4:a1:49:e1:d4:9d:4e:21:02:54:83:03:9a:c5
Fingerprint (sha256): ac:ae:8c:95:35:15:f1:c1:b1:60:13:e4:d9:f1:18:7a:8e:fe:e4:49:50:c2:9f:40:91:3c:dc:f2:38:2b:14:f7

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate *.prospeak.pl

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.prospeak.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

*.prospeak.nstrefa.pl
*.prospeak.pl
prospeak.nstrefa.pl
prospeak.pl

Other certificates including the domain name prospeak.pl

(limited to 100 certificates)
prospeak.pl
prospeak.pl
googleplus.prospeak.pl
prospeak.pl
googleplus.prospeak.pl
prospeak.pl
googleplus.prospeak.pl
prospeak.pl
prospeak.pl
prospeak.pl
prospeak.pl
prospeak.pl
googleplus.prospeak.pl
prospeak.pl
prospeak.pl
prospeak.pl
googleplus.prospeak.pl
prospeak.pl
prospeak.pl
prospeak.nstrefa.pl
prospeak.pl
prospeak.pl
prospeak.pl
*.prospeak.pl
prospeak.pl
prospeak.pl
prospeak.pl
prospeak.pl
googleplus.prospeak.pl
prospeak.pl

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwcx524uyuTZUbUKOibor
avFkJTCEMhwj3Rb4P+zGLFCOkNPTAMJ0DsEM/gGftibz7Vyjpkuqn9cak7twVfKm
c41s/6P+ERdTEiWgxf2qvTdDGl/EYUda21onWZ5yfxfqxIk5ILZIi7N2OgE2CeKV
/vNsOIdaI2G/peNg01w/uhm2h4a00q17O4zLBUmtK28Ah459E1n9Ls/fPOzmRzkE
Ns53BdoEG4EHHlvRrOVXzcNr71OgrNV8paThNPOjTzMO8eNtnZ9dwOV8DwiudwKq
wWoSH0hprRASaOCAnEToqQiCLtLi25RlMXRZbaMd7RIzTjvvqPyPKQQHuUhPDSkr
CwIDAQAB
-----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 336852016120118390431815718679298311731790
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-24 00:40:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-24 00:40:47 +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 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String '*.prospeak.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 24464823735150149437539672830212101847567760871658275693585092474711458394882599171184536273077253786397215106172565880216352047069173159563645352027260004975048183234473466880517929317541305791207605089946742429669383538568704521820586253559211568461010910203276123899574888028510990790755739565524180568025746289184955193659228942622763911995926926896043918959468397571500522426862280319601554220017326708159648109303517887836243175930591978882454806150786440609413541803229688481209443105479532814644673676803209442285973593176534799909553408772182986549340502376841009175191169999399446024220902773908511713209099
 . . . . . . . . . . . . . . . . . . . . [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)
							2c7d3374cf126df664edb4f937c1dbae2b78184b
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (74 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.prospeak.nstrefa.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.prospeak.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'prospeak.nstrefa.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'prospeak.pl'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018dd8c5a674000004030046304402206c7795a458ebd47157040eaa0ebffcb64d9bdf61ac187c54712e40a893e54736022052cced8aa2703777243414e75c4b14c03a7858206fe9335af953012ece69da96007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018dd8c5a6a100000403004630440220567698ee7b0444c22c021faad601baf4907143291ed153599d4dcd0d5bb4da3602203457d9889a105a9eba7ba4fa8f4ed9ffbe36cd39ae221fdc05d25fdbee172956
 . . . . [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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