zstztarnow.pl
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:88:b8:8c:61:da:36:ce:69:6b:00:0a:76:13:36:0f:52:30 was issued on by Let's Encrypt.
With 2 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): 03:88:b8:8c:61:da:36:ce:69:6b:00:0a:76:13:36:0f:52:30Serial Number (int): 307860566553995423076766075114267540935216
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: d9:4a:0d:52:01:ca:9d:f5:08:72:ae:01:b5:da:95:8d:e5:c3:7e:c7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b7:d1:b1:30:a2:d8:9b:9e:4a:23:64:b8:04:b8:78:e5:36:b9:5c:9b
Fingerprint (sha256): 86:90:cf:d7:33:c2:a5:f4:8f:93:14:29:44:4a:e4:9b:09:18:61:fb:78:2a:c9:1d:c9:b4:13:8e:be:64:0a:a5
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
2
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.zstztarnow.pl
zstztarnow.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----- MIIFZjCCBE6gAwIBAgISA4i4jGHaNs5pawAKdhM2D1IwMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMTgxMjQzMThaFw0y MDA2MTYxMjQzMThaMBgxFjAUBgNVBAMTDXpzdHp0YXJub3cucGwwggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQC9RhAQWWjE9erNZFwC1dKClYnBUe/C6SuH Yf+257XP9pubXGONvW1alrzw+zfZsH3k1XKYY2ixx4kLUdH3+pGZkIomI5A/RXA7 tjVnUcUKfbTmo/3hDgBxAhRZbCpp+a/2B2YUKq53sM8xUyPkio5w9rRHddkAbTMf TLS+VYoppaN7uO1Twc/drGKDn1ucHSPY5yDyhXnYgL3GAwU6kpo7+qOB4UeK9IxR xw98OP9NwAIZhPdOulEzoR4OqrJSCtEKNz991SiOcQro4WDgk3nArU7/teWWL0CH zTLqhZomQ8es7wWd7oFKUvtRe5Rq8pvVDROhBedYByweYhI3S1lzAgMBAAGjggJ2 MIICcjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUF BwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFNlKDVIByp31CHKuAbXalY3lw37H MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMw YTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9y ZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9y Zy8wKwYDVR0RBCQwIoIRd3d3LnpzdHp0YXJub3cucGyCDXpzdHp0YXJub3cucGww TAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcC ARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2 BIHzAPEAdgDnEvKwN34aYvuOyQxhhPHqezfLVh0RJlvz4PNL8kFUbgAAAXDt4lYB AAAEAwBHMEUCIQCzElmZEERDgYiMSOAF/5ZcGkd6xIjYf2bxV9l4bDPHngIgYvUE 48T8mBCnWta7LpcgVpnOVn3dx58RN2qnLFDLo+MAdwAHt1wb5X1o//Gwxh0jFce6 5ld8V5S3au68YToaadOiHAAAAXDt4lYrAAAEAwBIMEYCIQDkmVF7442fWqYakJ6T BBgzmj0wcYowxN7X+HYhL6qURgIhAKSAUz3ILO7cYcq7c7Uy9e6Crs0RLHa8/oyc YzfFcelIMA0GCSqGSIb3DQEBCwUAA4IBAQAJR6OobCNhdbBQeusjotwa19Gp1o1Y iug/rCTqxqzd/XC7cmm6XrO62Ek8JE1FthWezzWNq/5SXu+Wv0q5npwAP/VKyqYz N9AEl8nM0x68bIrxLqAb/JFddxMIxov0/fkHyEZFpHO8dtcW6axiMfR4L/82jOuE zcVz2SGGAMsPBN+KytVrpw9SvRn7iO8Z9wN9Da4LyYPl9yQqH6HzQ2QfbRSX7pog cXtpSdj9REwZmnbJSfmT2Jfnd001fHjw2zaaj6GCgTM0BBByhaksN8sqeA/kT++5 ldRtcc66OKbw538TwiqHjrsUXLpJ0h+AHsA4+Liy7dJxr41DFhs73/Jv -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvUYQEFloxPXqzWRcAtXS gpWJwVHvwukrh2H/tue1z/abm1xjjb1tWpa88Ps32bB95NVymGNosceJC1HR9/qR mZCKJiOQP0VwO7Y1Z1HFCn205qP94Q4AcQIUWWwqafmv9gdmFCqud7DPMVMj5IqO cPa0R3XZAG0zH0y0vlWKKaWje7jtU8HP3axig59bnB0j2Ocg8oV52IC9xgMFOpKa O/qjgeFHivSMUccPfDj/TcACGYT3TrpRM6EeDqqyUgrRCjc/fdUojnEK6OFg4JN5 wK1O/7Xlli9Ah80y6oWaJkPHrO8Fne6BSlL7UXuUavKb1Q0ToQXnWAcsHmISN0tZ cwIDAQAB -----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 307860566553995423076766075114267540935216 . . . . . . . . [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 2020-03-18 12:43:18 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-16 12:43:18 +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 23893588868016068680127399259751097878365536427500153812143424860176468357527393557038550342448878488911387211826787449608403240128018773617887553988509466224467089784646694350938122199906199923358527772141217406460971800077376785844833937785570665247533455847527295709098985450953465978464645432309827035760809732233776831867372334107266808657521317636702030015448868087495968702452472124629387423423286323924069471973600237424239690051674426539337510223377429521944290690432659917960946804692649445713683694665546634208197105828337890623934752551625532541060438097834899449617277579710883579223917938340316404472179 . . . . . . . . . . . . . . . . . . . . [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) d94a0d5201ca9df50872ae01b5da958de5c37ec7 . . . . . . . . . . . . . . . . [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 (36 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zstztarnow.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170ede256010000040300473045022100b312599910444381888c48e005ff965c1a477ac488d87f66f157d9786c33c79e022062f504e3c4fc9810a75ad6bb2e97205699ce567dddc79f11376aa72c50cba3e300770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170ede2562b0000040300483046022100e499517be38d9f5aa61a909e930418339a3d30718a30c4ded7f876212faa9446022100a480533dc82ceedc61cabb73b532f5ee82aecd112c76bcfe8c9c6337c571e948 . . . . [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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