zstztarnow.pl
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:55:9f:4f:e5:63:7c:df:55:81:47:10:2f:f6:ba:10:a0:3f 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=zstztarnow.pl
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:55:9f:4f:e5:63:7c:df:55:81:47:10:2f:f6:ba:10:a0:3fSerial Number (int): 290472621078896168670039118402543521144895
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 7f:9d:67:f9:5f:97:68:28:49:42:6b:d4:74:58:7d:65:5e:57:c2:2f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 9d:26:5c:f2:cc:db:89:f8:e5:1a:c3:97:85:d5:45:22:12:be:b0:9d
Fingerprint (sha256): 81:1e:d5:35:3d:7c:99:21:62:4b:3c:a5:d5:9f:dc:54:30:11:0f:10:df:37:55:77:59:47:e6:77:6d:2f:5f:a3
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate zstztarnow.pl
4
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for zstztarnow.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
www.zstz.tarnow.pl
www.zstztarnow.pl
zstz.tarnow.pl
zstztarnow.pl
www.zstztarnow.pl
zstz.tarnow.pl
zstztarnow.pl
Other certificates including the domain name zstztarnow.pl
(limited to 100 certificates)
Certificate
The complete raw certificate details for zstztarnow.pl in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFiTCCBHGgAwIBAgISA1WfT+VjfN9VgUcQL/a6EKA/MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAxMDgxMDM2MzFaFw0x OTA0MDgxMDM2MzFaMBgxFjAUBgNVBAMTDXpzdHp0YXJub3cucGwwggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQDCSM32+hj3AnkD3vsm3woLYowJoiJSwp6J DENAZP5302Hz6E5eqoexqPk40cvLNEO5nqYQwp1Z2IoLhGkpyIj3lcDd/P+mOpyN rL67Jc3cLYeo/uXQWizc1LPvp10X9uX/iwR5w6DtUAS8Lroux82WUQJ4A2Ll44HI iRfutnRa6V5n5rUo+oj3AnQMtnkAvZgRmtIMfKqSbfL/VuIkToSNkrcdzp0EcfZg jYhVRFw6Q+3vykU5Vmp3F0qd9vVmXlisnegx17f3VmQvxm4Fs79wsGGQ4VC1vE8D 244BKFIDp5nIKbmFEICi5WhvTS7v89CRHJD5TQuSWo/Q9fC+vfshAgMBAAGjggKZ MIIClTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUF BwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFH+dZ/lfl2goSUJr1HRYfWVeV8Iv MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMw YTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9y ZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9y Zy8wTwYDVR0RBEgwRoISd3d3LnpzdHoudGFybm93LnBsghF3d3cuenN0enRhcm5v dy5wbIIOenN0ei50YXJub3cucGyCDXpzdHp0YXJub3cucGwwTAYDVR0gBEUwQzAI BgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nw cy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgB0ftqD Ma0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWgtP/D8AAAEAwBHMEUCIHiv svwlEZsoqT13GpQJkgGOzywgFzummqu5gY+n/6mIAiEA9fjO/qrMN1Dt9kh6Q3YB TtSVpWxw+8nqUEuoGMu6wcEAdgApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTl RUf0eAAAAWgtP+8qAAAEAwBHMEUCIH6iRgwB34koCXVvpUHTdo053QIugeYHcpAf QSFqyl9rAiEAtM6jwxCV7ynghd4TSZSpHH5pdTxZZEHtoPP/WbOpgdQwDQYJKoZI hvcNAQELBQADggEBAGnNXyyojHRrlgE49QgGhCaaCf009mFUEWzX6KT6opBL35Ea f3kPu2BGGIvxRPROFMjWUxMs9nuGLICoId5CA5WyBqcZvzcdF57rUgEB4mdfG2jA sDsHGSl8Q2D/fTC1nHDJ42BKRco9axrXtBrv1PxESc+GMMgtnuIgh3PKv3OM088k PuRFInGt3PqO0mqE/wufFGQPuLCUIRnHrLM8YuL3BLFxaBukExXCe//XiNWxip+t bgYsmbsPIJo6ftlXvMFe9nS3X/b3bLXNbqHXyCJGwCXrEMP3/BDe8zDNzQRVTaEZ nt5dNZuoC77AEqBJOOGIOo9xT7eCALuCKbuKuSQ= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwkjN9voY9wJ5A977Jt8K C2KMCaIiUsKeiQxDQGT+d9Nh8+hOXqqHsaj5ONHLyzRDuZ6mEMKdWdiKC4RpKciI 95XA3fz/pjqcjay+uyXN3C2HqP7l0Fos3NSz76ddF/bl/4sEecOg7VAEvC66LsfN llECeANi5eOByIkX7rZ0WuleZ+a1KPqI9wJ0DLZ5AL2YEZrSDHyqkm3y/1biJE6E jZK3Hc6dBHH2YI2IVURcOkPt78pFOVZqdxdKnfb1Zl5YrJ3oMde391ZkL8ZuBbO/ cLBhkOFQtbxPA9uOAShSA6eZyCm5hRCAouVob00u7/PQkRyQ+U0LklqP0PXwvr37 IQIDAQAB -----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 290472621078896168670039118402543521144895 . . . . . . . . [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 2019-01-08 10:36:31 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-08 10:36:31 +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 'zstztarnow.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 24526132424989505641277126033394282995453631160137767569985214200664983268841996033340561134054490352625234291337745911081679315511673404833104727056907358032636528009247733171684257947685974300575073291813475865404117464393420953733128127713793228082837099416312712860678810922497334348555824322360570416243201121582547316086968199763504564320401393387678905044952865830712552376972753426165750309234128636546128258340699214506649254463283967915937483168820474683204185085192382342368996996940712445889492327513940636002158163152529415166655130615899471958537455738129510016473842835438912299653731705324802949380897 . . . . . . . . . . . . . . . . . . . . [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) 7f9d67f95f97682849426bd474587d655e57c22f . . . . . . . . . . . . . . . . [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 (72 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zstz.tarnow.pl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zstztarnow.pl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zstz.tarnow.pl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zstztarnow.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001682d3ff0fc0000040300473045022078afb2fc25119b28a93d771a940992018ecf2c20173ba69aabb9818fa7ffa988022100f5f8cefeaacc3750edf6487a4376014ed495a56c70fbc9ea504ba818cbbac1c1007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001682d3fef2a000004030047304502207ea2460c01df892809756fa541d3768d39dd022e81e60772901f41216aca5f6b022100b4cea3c31095ef29e085de134994a91c7e69753c596441eda0f3ff59b3a981d4 . . . . [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) 0069cd5f2ca88c746b960138f5080684269a09fd34f66154116cd7e8a4faa2904bdf911a7f790fbb6046188bf144f44e14c8d653132cf67b862c80a821de420395b206a719bf371d179eeb520101e2675f1b68c0b03b0719297c4360ff7d30b59c70c9e3604a45ca3d6b1ad7b41aefd4fc4449cf8630c82d9ee2208773cabf738cd3cf243ee4452271addcfa8ed26a84ff0b9f14640fb8b0942119c7acb33c62e2f704b171681ba41315c27bffd788d5b18a9fad6e062c99bb0f209a3a7ed957bcc15ef674b75ff6f76cb5cd6ea1d7c82246c025eb10c3f7fc10def330cdcd04554da1199ede5d359ba80bbec012a04938e1883a8f714fb78200bb8229bb8ab924