pot.gov.pl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ad:dd:8f:3f:39:fb:b6:29:fc:96:16:9f:fa:53:76:0e:96 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:
  • 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:ad:dd:8f:3f:39:fb:b6:29:fc:96:16:9f:fa:53:76:0e:96
Serial Number (int): 320500210440508042260907178552542402842262
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ee:25:a7:8d:4f:d1:1b:62:94:04:f0:c2:b1:e7:05:7b:ab:80:01:1c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): be:95:af:65:ab:26:f9:c6:7e:74:cf:cd:8c:49:b8:d4:8b:cb:4d:bd
Fingerprint (sha256): 08:97:59:bd:99:d3:05:05:e5:68:fe:de:f1:77:55:f0:71:ed:76:cd:a5:90:e5:5e:29:eb:fe:b3:3d:6a:f2:80

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

4

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
ppr.pot.gov.pl
www.pot.gov.pl
www.ppr.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAya7pt8NEphog4UEzYpnC
5eSIlcc7hFBrmrh56+1+QvDVUvg/PNlKskgYrdKUWR54MJ2vb3zUIp95rOGpNwH3
3mFqoMmTHtKdKE/eLKyoquDi+THjwE91BITPQIPPyeaQDxe5z7st5H11pK1lEJin
VtYVkTjalQBERFxCBOPEkXliXh26khoklCPJjTKc2DGLajZuXEtoTCnvhpw9msx+
83d9+5bSwpkKFziE9rtRbDyR33IZ+iWR1hVit93bfRhD+dL9Z8KiI1uclHpzVaWZ
WttX5He5HQtL+Y4NtSRozVn1ucMY1rBfYlgLmU6rWiLg+9RB9Bx8W4KbB296450a
VwIDAQAB
-----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 320500210440508042260907178552542402842262
 . . . . . . . . [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 2020-01-09 21:28:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-08 21:28:02 +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 25460152093561428372612422509904146466483219737225564984443575395586178346694797140935953403217960200060750621475735685216425642654497706640802883381426820980668852180498273695835433123049661783937907253883214825249170896065706701886469162079818328453332888165394778082841187253510555909232703055373473039448625809733650606871119220916838201246412357654938728701364673772209301352100535505132644494876587357698964151902506259431198126230450652864839304886099872224160595761816680474777881384534107050333392411986597257147593708311529085502123745264706050220518143711432664388030444494823318291429501528138763655256663
 . . . . . . . . . . . . . . . . . . . . [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)
							ee25a78d4fd11b629404f0c2b1e7057bab80011c
 . . . . . . . . . . . . . . . . [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 (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pot.gov.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ppr.pot.gov.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pot.gov.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ppr.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)
							00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f8c6bf504000004030047304502205b1cb2515747e9a8bbe004be6ae838a679a6c458dbf395858f23a0bec5371a14022100ee3a0c884458e7719e63643d9fd6105697768a4cecb68bfd910af933f05bf2d1007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f8c6bf4f400000403004630440220484f71be0e4fe6ec7e364d7239d729fa1707e6d706e5f180bc09bf84a26fc4ed022021dbd4086e934cd901481ace826f2f62f13b5ba04001e89f215f8f37d24215ad
 . . . . [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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