pot.gov.pl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:28:99:58:23:51:88:06:82:d4:db:cc:89:7f:df:0f:d0:3d 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=pot.gov.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:28:99:58:23:51:88:06:82:d4:db:cc:89:7f:df:0f:d0:3d
Serial Number (int): 275151981993940836795980963470973206515773
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1f:01:f9:e1:a2:1a:25:7f:cb:05:76:24:38:7f:36:80:3b:c2:86:b9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4b:d2:c2:b6:f7:12:6b:8d:ce:9d:d2:2c:04:23:c1:97:fe:68:2c:c6
Fingerprint (sha256): fd:0c:6e:23:81:b7:1a:91:41:18:18:e3:4a:14:00:a4:bd:e0:df:2b:6b:84:dd:1d:86:ff:03:10:f6:7e:93:f6

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 pot.gov.pl

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for pot.gov.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

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9J89s4X3hB1ofiZw9stY
PXiCxeyBZkfZoJnWTqa1G3Pt26Zf0fxOpLVVY42rYiPjbSPtrevdpzdCwKtu3tJl
0A4e1Go//wXCIS6T2isFZvrGlFYKmV63/iSsnjH/C4gI6cHrKWqEHy4Ehr6AYy9G
zXIoa0pbo7UujlFGFZHaYvy5HPvyxz+pY+fS6sZBYeKuPBxoq1ZwinhzDGJUnhPM
4aOj7JFSO9tM+17nzBSce7RiPwfDii/pV1GWEZwgIvRwanCdOqscc0vKcLHw3Odk
1ywZa9n1Q9I6vIoss5D6f/d8uceMd7gEuW+w1XTcgFez6NE/KgqccF25CJbQGLSe
UQIDAQAB
-----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 275151981993940836795980963470973206515773
 . . . . . . . . [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 2020-10-15 04:06:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-01-13 04:06:33 +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 1.2.840.113549.1.1.1 (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 30880671085610271534424389595481947005272080278516094396748598734035282166485692450605176481112163126846544784521027874434112797015772002578595138123414987596593661157774576059337849437657822389515921421360114079796367502649764343979779122565785624039773127265774317394650887839440968649196002565017493877291483687334238524838694125208187524942138915753732576713045207293348312787580838937078055671792751312758080617318495488458075814701635423475344189195804403287420084374383034827490135705081098106106244545476850470644518936092863663129532324389020580851081497965477068324528096635961563274622147527499994639933009
 . . . . . . . . . . . . . . . . . . . . [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)
							1f01f9e1a21a257fcb057624387f36803bc286b9
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (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)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001752aa712060000040300463044022017d5a78a4b81a385401d451068dcf37a4c75f37b60bd195ad919156ffacf9a2202206df413e708263c461f6ed6e8cf16750344cfeb0e6668cea7d8ce9b9a2900ffda0076007d3ef2f88fff88556824c2c0ca9e5289792bc50e78097f2e6a9768997e22f0d7000001752aa712430000040300473045022039e65401ebe2a13cfd4d6f49a0e2a04bb696bb6e3ddefd8a518d902d81078950022100b08e3a74fcdbff2de6ee446c374f8c462873beaee5a3676fa4ce3c1f0c58c41a
 . . . . [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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