krateczka.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:17:9a:93:0d:f0:89:8c:88:a7:f3:cd:e3:54:6c:26:79:24 was issued on by Let's Encrypt.

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=krateczka.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:17:9a:93:0d:f0:89:8c:88:a7:f3:cd:e3:54:6c:26:79:24
Serial Number (int): 356481102827940306102437236985823872055588
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d4:1f:d6:fc:f0:a1:6e:50:46:eb:e4:7f:55:07:3c:86:ff:a1:4e:56
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5d:95:61:a4:00:af:9f:9b:c8:b4:c2:c4:50:90:52:8a:0b:07:34:92
Fingerprint (sha256): 1f:44:55:e3:a6:0d:e5:36:ec:ff:17:5f:57:3c:1f:92:15:53:5f:ff:81:d0:f6:ef:dd:e3:c7:2e:8f:40:d8:f5

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 krateczka.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for krateczka.com

Public Key Algorithm

RSA

Key Size

4096

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

krateczka.com

Other certificates including the domain name krateczka.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for krateczka.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 356481102827940306102437236985823872055588
 . . . . . . . . [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 2018-12-16 02:03:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-16 02:03:45 +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 'krateczka.com'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 831367043067813729233199396036347721690219518555781255473745304825566748468082092955091679264345124972780068274996483598273526333307319481795958671352446678287371439313315429222196147629703730766864948441181263673417014808573724211791313611063786415448086835492926856906230291081769606791075080494420054838764212124051560020172368992487742843340471108606525035384821320055714864076435799214542464722459012075468867180366267434179972277875867833044535052398105413248099824131149407562777953754415067948680543700808605129145972788136697323844939421103756962122268217664116302495193701590601458079376556906788485424069761644831455394813650514000925077100659981563834230978480019501716891111632610650898792280673635694268700883292985797712534677854495909797878353734903233096205295782013569852581850210227162262262646468343238291412996631480218086355697919209926538184522238612401717921385000739934171079636179349097946344359158137814598173154681875636168805866424307946500191844096885787568607743573483659069277497482207530103001940257348834008722620251359553710094450384233727437532774931840478283931582474852972868866873139381351364378449212413814176098363233674767196122045127242920794439489815686568288016470804774478926125584108107
 . . . . . . . . . . . . . . . . . . . . [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)
							d41fd6fcf0a16e5046ebe47f55073c86ffa14e56
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'krateczka.com'
 . . . . . . . . . . . . . . . . [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)
							00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000167b4f83a3a0000040300473045022100d8ea1e8185aebf607029250fae20e1f73ac6ddade6c82127dc0fa8dc4f11493a02205fd2576f41fac09e0021acab3ab54c28caa329007cf36c05818dcef67f121a76007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000167b4f83a270000040300483046022100fd128e7bdc7d33c49ae75427bde161ffb23deaff91839a59bbc9c6b1650f9874022100cbcb608452ce4e1b22b22e199e90734f1d6627cf9a228ba0434953666c4a9745
 . . . . [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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