fosfory.pl

Issued by R3

About this certificate

This digital certificate with serial number 04:ab:16:4b:7d:4e:95:26:c8:9c:c3:c7:64:61:be:e8:79:b2 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=fosfory.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ab:16:4b:7d:4e:95:26:c8:9c:c3:c7:64:61:be:e8:79:b2
Serial Number (int): 406667063450220279385589722524521813539250
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c0:71:9f:0e:89:97:d8:bd:ad:52:6b:07:e1:ea:1c:51:33:cc:9d:1b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e5:6e:8b:e0:89:29:02:b0:3e:f8:10:09:ee:43:93:0a:c0:84:3a:50
Fingerprint (sha256): 17:26:9e:3a:24:d5:8a:3c:d3:04:57:67:8e:60:33:6f:6b:7d:a0:ee:2b:13:ad:b1:b1:c6:9d:65:10:d0:ba:e6

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

Revocation information

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

Check the revocation status for certificate fosfory.pl

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for fosfory.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

fosfory.grupaazoty.com
fosfory.pl
www.fosfory.grupaazoty.com
www.fosfory.pl

Other certificates including the domain name fosfory.pl

(limited to 100 certificates)
fosfory.pl
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poczta.fosfory.pl
fosfory.pl
smakoszewo.pl
poczta.fosfory.pl
fosfory.pl
poczta.fosfory.pl
fosfory.pl
fosfory.pl
fosfory.pl
poczta.fosfory.pl
fosfory.pl
smakoszewo.pl
poczta.fosfory.pl
fosfory.pl
fosfory.pl
poczta.fosfory.pl
fosfory.pl

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApwVxYMX60wTbGF6HHQID
lsJ07+TLmiA75lVGxe3SGxrQI5kYG5bdQNVZtMV6xLBuLZCVxNnDrQ6mKY2d2Pm/
TOpoBMgtWgwje1YQuvX/1tkpK17dLG0f9HhAlhWv823r239p3s4WdA8NJn0y6YwL
h7+MQlL/yA981XLT1m070FRNyTRsLBhF4vXz6Qs1cG7nHdaSJjcsPeeSKQhGLbSo
s/Y44vZvxjk9sgCuQCt+aPmOZXo45p9IkDXf28NAjybUTrXCPuw6ar+HuURHCTxA
XFrvvdm2rJep+nwrIwMcpsNgPMzXUWvRJSPJH6dEVMnQ5z7B9adLQKSidICyrWZF
+wIDAQAB
-----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 406667063450220279385589722524521813539250
 . . . . . . . . [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 2023-12-01 19:30:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-29 19:30:23 +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 'fosfory.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 21084480914920464601136071837362017112292379919267406023322101382851178853325231955526192696707810133955447888709538722851178921380118083063767378401556219965774279463438537501451469056427173073864127043520734345497192311543737217273575347870169356887248484596791490498050086662237130030424373409266979161266713354244173907362028911199911705556339129933175795650784022444456818014038521560910878335300213909322238383307439120665648217174678433691321735808440048120474023017824852667565990421984712194871414150407635417022604454526337025576385261012945069306438003293306928431153384190635151973303752921760944273901051
 . . . . . . . . . . . . . . . . . . . . [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)
							c0719f0e8997d8bdad526b07e1ea1c5133cc9d1b
 . . . . . . . . . . . . . . . . [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 (82 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fosfory.grupaazoty.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fosfory.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.fosfory.grupaazoty.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.fosfory.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)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c27134b16000004030046304402207c37b9961ac22525b2231116f34b171c68e45a89191bbbca4a8fa80efc7c52c702202f6d62dd678f7b0b9eb1cafda7145820fff930305b33c069e9f94e19a66bd171007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c27134b21000004030047304502201e97e6cf44718aca8b3461ae14ea09fe6120695392e7f4138a34cbbfbdb1446d022100d3d6a311670a993f0ee8720f5f94668743d09e771c0fe420ccca814c3b44db8c
 . . . . [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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