poznanbolonia.pl
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:17:84:67:a3:78:59:c9:e9:b9:bf:f2:76:20:78:06:cf:3e was issued on by Let's Encrypt.
With 3 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=poznanbolonia.pl
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:17:84:67:a3:78:59:c9:e9:b9:bf:f2:76:20:78:06:cf:3eSerial Number (int): 269339348452050295742634066927366460329790
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 52:21:36:cf:d4:6b:30:68:9d:b6:6f:29:4c:42:69:94:a3:67:1c:bf
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 54:83:1d:ff:c9:20:4d:4c:0d:b7:7e:ce:2c:66:a7:05:00:2b:cb:06
Fingerprint (sha256): c3:49:da:72:8e:03:ec:dd:26:4c:4d:a3:92:fc:5b:11:38:5d:ce:15:29:ef:e1:1c:7a:df:47:ca:87:32:4f:4f
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate poznanbolonia.pl
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for poznanbolonia.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
mail.poznanbolonia.pl
poznanbolonia.pl
www.poznanbolonia.pl
poznanbolonia.pl
www.poznanbolonia.pl
Other certificates including the domain name poznanbolonia.pl
(limited to 100 certificates)
Certificate
The complete raw certificate details for poznanbolonia.pl in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGNzCCBR+gAwIBAgISAxeEZ6N4Wcnpub/ydiB4Bs8+MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODA1MjUxOTE1NDRaFw0x ODA4MjMxOTE1NDRaMBsxGTAXBgNVBAMTEHBvem5hbmJvbG9uaWEucGwwggEiMA0G CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCabKRKwTjhGVwKhF54R82jzxZK6j0X IJZoaN4y51Jm1lJBJVEXjU6Jvnp6B/N792FnXVoEJEMtsae1hcONwB3db9JPlE6H ruSwiRxciiPWtYw4MFa2l9SHTHrT7KArpDxn8ni6B18zG1DMxzQjJ34f2LaWyQJT V+JWq+Kqi85+YqziU4drriD8EJ7VV43pnKctjDCz6PafDkW+Ccfdx5fu3lNGEDx+ skFtvUpNqvpMILo2rn3px+Mj0rGMnIkXeIodCLWrn4b6EI+u1PmaaaR5x3zgjbGZ TgzDo4hZSAKgoWlS+I2b8hQdbBZaRG7qh2onQ8/JbGkaC0RUhfbUWTkpAgMBAAGj ggNEMIIDQDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsG AQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFFIhNs/UazBonbZvKUxCaZSj Zxy/MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEB BGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZy8wSAYDVR0RBEEwP4IVbWFpbC5wb3puYW5ib2xvbmlhLnBsghBwb3puYW5i b2xvbmlhLnBsghR3d3cucG96bmFuYm9sb25pYS5wbDCB/gYDVR0gBIH2MIHzMAgG BmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlm aWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVz IGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9s aWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkv MIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYA23Sv7ssp7LH+yj5xbSzluaq7NveE cYPHXZ1PN7Yfv2QAAAFjmPFZqAAABAMARzBFAiEA1AB5pzdtYzJx2QrW76+Vqq3V 1wHGjZU6YktUPf6ximMCIEwhOvyNqoSJxJ7iPK/pDQSJ3kidBTNZlrjDG15aabGi AHUAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFjmPFZtwAABAMA RjBEAiASOS/FHm4eKNinlIeVwhfAjhpJ2bwri5g3n0IT1W0chAIgTEcvYUXyRPkT PSJ08WTezp7MXtxYVoP/nSzSX5VKFKQwDQYJKoZIhvcNAQELBQADggEBAFpUk5RP seSI53sQhbAhwX+FsbGiUZsCf2ZBx9t5BrleaqMocZIh+LXgWXe5gZzBnyqLTGvz k59mIhKVW2FHB2s3VsIK6Lr0oigfUOMKClZRz0XSIle6zkzzoQyQLwCxw/UeEBql cHg90vo2vOm8QBvP7sJGkOppBp3f4GWXFHI4w3ndYkzjmKFC6hRW/fuLMHtci5Tp R7S0jxtf98QAT1WHxYGEs3nHW+L5NY3IsOCRnAT1BGWEwBgF4QYTQamUIUlBGjUp P2jsezQgjVJDGiCUvaR0Nl92hpOpF5i8wP3ASavyvFPuSpCPDKoMFjJeQVUuhBBY F9MjrL4nHFC1SY0= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmmykSsE44RlcCoReeEfN o88WSuo9FyCWaGjeMudSZtZSQSVRF41Oib56egfze/dhZ11aBCRDLbGntYXDjcAd 3W/ST5ROh67ksIkcXIoj1rWMODBWtpfUh0x60+ygK6Q8Z/J4ugdfMxtQzMc0Iyd+ H9i2lskCU1fiVqviqovOfmKs4lOHa64g/BCe1VeN6ZynLYwws+j2nw5FvgnH3ceX 7t5TRhA8frJBbb1KTar6TCC6Nq596cfjI9KxjJyJF3iKHQi1q5+G+hCPrtT5mmmk ecd84I2xmU4Mw6OIWUgCoKFpUviNm/IUHWwWWkRu6odqJ0PPyWxpGgtEVIX21Fk5 KQIDAQAB -----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 269339348452050295742634066927366460329790 . . . . . . . . [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 2018-05-25 19:15:44 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-08-23 19:15:44 +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 'poznanbolonia.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 19494272216126010332811785635293101755495393324997461916552159445166026915874293802023879279628863532099876080965773458414671528884647524673274042379985007665269903656369098289784800943767342734158726084972813022131646556383297955250509017425585504886287698547005048063562991293206663227523978743582785027654444284058361688255815417346289851316819429012106798386960152217466270298970584033073831498272892081741222809762735677477486935648370656378014502935049611744803118698652378498089821623120517092517058886379221329453553214877254637153936844857467048726996298629193883424531078840576781002710442408951346993117481 . . . . . . . . . . . . . . . . . . . . [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) 522136cfd46b30689db66f294c426994a3671cbf . . . . . . . . . . . . . . . . [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 (65 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.poznanbolonia.pl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'poznanbolonia.pl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.poznanbolonia.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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) 00ef007600db74afeecb29ecb1feca3e716d2ce5b9aabb36f7847183c75d9d4f37b61fbf640000016398f159a80000040300473045022100d40079a7376d633271d90ad6efaf95aaadd5d701c68d953a624b543dfeb18a6302204c213afc8daa8489c49ee23cafe90d0489de489d05335996b8c31b5e5a69b1a2007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016398f159b70000040300463044022012392fc51e6e1e28d8a7948795c217c08e1a49d9bc2b8b98379f4213d56d1c8402204c472f6145f244f9133d2274f164dece9ecc5edc585683ff9d2cd25f954a14a4 . . . . [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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