pot.gov.pl

Issued by R3

About this certificate

This digital certificate with serial number 03:0b:f6:43:e9:58:ed:83:39:38:f7:6b:6f:00:57:2c:f6:8a was issued on by Let's Encrypt.

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:
  • 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=pot.gov.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:0b:f6:43:e9:58:ed:83:39:38:f7:6b:6f:00:57:2c:f6:8a
Serial Number (int): 265407306535110696715084501712376177686154
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 36:e0:56:5c:8b:b8:db:d8:8f:57:ae:6a:9a:b2:c5:22:93:d3:3c:11
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a6:d7:99:20:bd:a7:b2:fe:38:47:2a:bb:1c:02:d1:db:e7:a7:3f:d4
Fingerprint (sha256): d9:7f:7b:39:b8:e8:fa:12:45:6c:77:97:cf:ec:e2:c6:c1:b1:79:62:f2:91:10:ba:1d:3e:4e:5e:25:a8:8e:de

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

Revocation information

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

Check the revocation status for certificate pot.gov.pl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for pot.gov.pl

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

pot.gov.pl
www.pot.gov.pl

Other certificates including the domain name pot.gov.pl

(limited to 100 certificates)
*.pot.gov.pl
maps.pot.gov.pl
*.pot.gov.pl
en.fotopolska.pot.gov.pl
pot.gov.pl
*.pot.gov.pl
*.pot.gov.pl
maps.pot.gov.pl
konkurs.pot.gov.pl
certyfikacja-it.pot.gov.pl
konkurs.pot.gov.pl
pot.gov.pl
pot.gov.pl
*.pot.gov.pl
maps.pot.gov.pl
pot.gov.pl
maps.pot.gov.pl
pot.gov.pl
certyfikat.pot.gov.pl
maps.pot.gov.pl
pot.gov.pl
maps.pot.gov.pl
poczta.pot.gov.pl
*.pot.gov.pl
maps.pot.gov.pl
bezpiecznyobiekt.pot.gov.pl
pot.gov.pl
pot.gov.pl
pot.gov.pl
maps.pot.gov.pl
pot.gov.pl
*.pot.gov.pl
eden.konkurs.pot.gov.pl
*.pot.gov.pl
*.pot.gov.pl
pot.gov.pl
maps.pot.gov.pl
konkurs.pot.gov.pl
maps.pot.gov.pl
pot.gov.pl
pot.gov.pl
pot.gov.pl
konkurs.pot.gov.pl
pot.gov.pl
maps.pot.gov.pl
pot.gov.pl
*.pot.gov.pl
konkurs.pot.gov.pl
pot.gov.pl
pot.gov.pl
pot.gov.pl

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEX5BbKZ8Buzm2PTlI/TPfpf9JER3k
X0NX4laNAO3eVpeG8OpzI8pPcvNHmbDU+/QiZI0I1GFP0b4zeYFYONRaJQ==
-----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 265407306535110696715084501712376177686154
 . . . . . . . . [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 2023-09-17 15:52:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-16 15:52:31 +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 'pot.gov.pl'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00045f905b299f01bb39b63d3948fd33dfa5ff49111de45f4357e2568d00edde569786f0ea7323ca4f72f34799b0d4fbf422648d08d4614fd1be3379815838d45a25
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							36e0565c8bb8dbd88f57ae6a9ab2c52293d33c11
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pot.gov.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pot.gov.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018aa40eddab0000040300463044022058a87d942620f502ea0fa4f55386ef0636f09f8a043a6354db80cf250e6bf9e7022057685e48ee8b7b5c82095c1022616da8935acd03a622f22f0abd8d198f9a984d007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018aa40eddda00000403004730450220598a153960da953dd278a2091a2eaccf6776e66c0cdfb5c9bc75523da962feca022100e1fcb985350c7844a39256d3f2a1946023e34d12d7ca6f2c1f3da07114bdd7ea
 . . . . [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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