certyfikacja-it.pot.gov.pl

Issued by R3

About this certificate

This digital certificate with serial number 04:d6:32:f2:73:79:e5:1d:17:f1:ab:dd:0e:1c:31:ce:d6:1e 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=certyfikacja-it.pot.gov.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d6:32:f2:73:79:e5:1d:17:f1:ab:dd:0e:1c:31:ce:d6:1e
Serial Number (int): 421337290525885448312927477679221929596446
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 83:fa:dd:70:6f:a5:1e:37:b0:fd:ae:1f:ea:b0:78:09:27:62:e9:74
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a1:df:c1:55:e9:41:1d:66:6a:35:b9:1c:33:62:5f:5e:a5:42:cc:a9
Fingerprint (sha256): 23:7f:81:40:5e:49:79:db:9b:22:e8:2b:18:13:6e:87:f6:cd:7b:97:25:8b:9c:3b:44:20:50:6f:57:35:6d:cc

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

Revocation information

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

Check the revocation status for certificate certyfikacja-it.pot.gov.pl

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for certyfikacja-it.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

certyfikacja-it.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
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maps.pot.gov.pl
konkurs.pot.gov.pl
certyfikacja-it.pot.gov.pl
konkurs.pot.gov.pl
pot.gov.pl
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*.pot.gov.pl
maps.pot.gov.pl
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maps.pot.gov.pl
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poczta.pot.gov.pl
*.pot.gov.pl
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bezpiecznyobiekt.pot.gov.pl
pot.gov.pl
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eden.konkurs.pot.gov.pl
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maps.pot.gov.pl
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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 certyfikacja-it.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnHUNTbATQ36YrgbNTwo5
D9KUJFQgMo4Ybow5Zx84Gy0BMiyEmUL44YFIYIMp+4fgQtbI343v6I9PAt50QOPk
LQEAO7Ua0qctLBruTyh02KeLbH27rx03qssiPelhKrM24bIbpebOg76QKpAYaToL
Yv116HbpSpCUaR6JSB03mh91tDbZIPciR7+G5XoSJAPE1tB9HLhHokXZZJIC0AdJ
VSZBaC2exmGNIOO4/+auL3kiXdbAgOzQp1QcZ6wfAQ9zOR6v3kxbB3ARAoz7mYKS
0loK/mHU6n4eoaFbHRmIOY0i6qoZxWzQhf/KtfI7XURnW91yGm+0matplbpXHox9
7QIDAQAB
-----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 421337290525885448312927477679221929596446
 . . . . . . . . [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 2023-06-22 05:40:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-20 05:40:46 +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 'certyfikacja-it.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 19750896050742543523600692900790149848203450271670207244910134144705228263371799935988494020793884764124414374928304074649241382743019251673595375447997192405797713394754390796974110154729269265905623164763703282920204312567123071803379480222445895707491490796022293451851441552789351848414986382815893282508091794114622866919440211922199940602447581891175498223693591359135295887529628755274082146990971616919933515686857967269481189896008187653027905375189217240103060675856905749088315880498747999776571774524310814923439545244612185671867905163641591898096822298023544462422930934474102263311542891040778274766317
 . . . . . . . . . . . . . . . . . . . . [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)
							83fadd706fa51e37b0fdae1feab078092762e974
 . . . . . . . . . . . . . . . . [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 'certyfikacja-it.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188e1d586880000040300483046022100943776b69fa3c0ebce6699c68befdb7e8ccea40bc2239c24eb331c619eab4df0022100958b2e46c1ab5e6f09e150c131d140635e78d396c5e3eaf4051a3ed826c066950077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000188e1d586970000040300483046022100b5293d7da215e13ee86a599917c71a47e8ae650a42da44e56e086562ad5280da022100d8b26d489cd0d56c0eb55098c046751af7548633bf1332d15e65eb2e5c03a2b5
 . . . . [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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