zstztarnow.pl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b5:54:4a:cd:23:47:05:48:ad:68:b5:f4:30:cc:57:3d:32 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:b5:54:4a:cd:23:47:05:48:ad:68:b5:f4:30:cc:57:3d:32
Serial Number (int): 323040009750273000597438254497133189610802
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 68:3d:1c:03:3a:d5:e0:41:f7:c7:2b:a8:56:27:fe:af:c4:b1:3e:db
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 14:e4:d6:f9:76:a3:5b:1e:63:3b:6f:4e:74:fe:44:f0:56:87:0a:bd
Fingerprint (sha256): 16:57:b4:0b:b1:05:91:76:b2:9f:d7:02:bc:11:2f:d5:53:69:a8:f3:3b:8b:70:96:27:ec:e1:1d:2e:cb:9d:dc

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check 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

Other certificates including the domain name zstztarnow.pl

(limited to 100 certificates)
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl
zstztarnow.pl

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvOh5wHLo/sA9H9OivF1C
T3oYBAtd3GdmOx+CF48z5tltHYtWEM8xlccBF0URUsanMK2ba6jFJVDcvdFwYS6P
gqQkrEs36t9kgTfzB8F6r8SGY70SDyz2FMubPBWY9oR8yC2E9K54XH7mE8OTQbvp
sUg9in3Hvxe5YJLjM1+lHafmEMsxoqRJaJK9ObuwEN0RkjWM3dXfRU6Y8JEE/S+D
nfndXw23eTxDKTIHJ1sOJ9ScNu5VibMJq55HVs8S/QbVIbWyq1VAOcJv9K5Gl/XC
9kJ2hkzewU+fHkYpWHI8pDGyVIN9w4EWzr8iUPg3JNY+F3g5F78Cg3pOHCsdLls5
UQIDAQAB
-----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 323040009750273000597438254497133189610802
 . . . . . . . . [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 2019-07-07 12:47:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-05 12:47:41 +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 23847439321038434673268620098312933301976671187208744336709119328428335050180936707681364870200333113911074845290319849536149521141960693908138651951870756106994841748002461249922573111549904979085128965913666812444449901895676145669382088862625999206237544723080626643492879308284377627559573435873772591202898839724630708074484091889975580722134755183596587787508826291718824818632538978226108784821852033612788489755743672794371048331415492161450741089475718346261757527105328135886897571003701678351924586161719676892388231048266819235229185776377536347043542551567218285905035306577549007969427576286763714034001
 . . . . . . . . . . . . . . . . . . . . [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)
							683d1c033ad5e041f7c72ba85627feafc4b13edb
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016bccb0b6310000040300483046022100fd4e69439ae9f89cf4c8792e949a2cda079399b4ca5d97401e08b920136f41860221009a37f063982f8295564a1cc36e07f695f21364bb6872acabc584c27e316f7f1000760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016bccb0b64f0000040300473045022100a6c8efb88e645cac4d82111121b421975f0de6b32f328f4fd04336fc3793f56102204d9efd7851cbaf82ff432016d19d968aabf458799e3aec5d48fdea4c5f584e69
 . . . . [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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