www.venditacomputerportatili.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b8:41:c5:10:4f:f8:82:a4:4f:e5:80:e7:f7:42:02:ca:5d 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=www.venditacomputerportatili.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b8:41:c5:10:4f:f8:82:a4:4f:e5:80:e7:f7:42:02:ca:5d
Serial Number (int): 324036236341795056825701980618946590722653
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 79:f3:52:a4:0c:77:43:3b:c3:a7:f9:72:8d:e1:74:0b:ec:2a:7b:bf
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 86:f8:64:6c:1c:3f:90:aa:42:99:29:c1:96:53:67:3a:cb:ca:17:0e
Fingerprint (sha256): 6c:b2:d0:ee:9b:6a:dd:66:1f:af:fb:da:06:ab:21:31:5e:01:9e:ac:23:da:7b:b2:4a:bc:3f:44:29:6e:d4:db

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 www.venditacomputerportatili.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.venditacomputerportatili.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

www.venditacomputerportatili.com

Other certificates including the domain name venditacomputerportatili.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.venditacomputerportatili.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 324036236341795056825701980618946590722653
 . . . . . . . . [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 2019-05-25 03:32:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-23 03:32:54 +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 'www.venditacomputerportatili.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 782163465261104279553780807321846271165992419693516808465477279907235420590247662167782202919812507428047141866385059027479830302917678218197162213607030119247783139244075602994544925641206747430467438702958352798846969890163992179289016487646741035614304183660210591577115454418141345226431682056094286735023196016024668970180223505179888687365326281996064676342655300299517794780090073676138600049413940979990723318245713108885968424144391248121000207363578859865258229954500380013693905237676338536465947224379438947557070863059987859761088400385843113826882833762496423211448552528222070866339011325425032609863898831545312519405043902398405142700539659948426684356222953825761628246146389879695817455488100873916432577006601713265049894242081611180625496911110601960722196180656579250562399518898671954245150657103932651821598795851130868645931880702858457069633989327737356555592888486089010705200087746661135313434202403484475595916548217894650219577051726417896142803706752080142778094318319360209388211304814935725284075010911898933721979984556261978393970641551828216103468298505842625051782795254898593501791072138505913692373968877408028363051282645385052328045359168248365689086518477407820836993257119543566803020159517
 . . . . . . . . . . . . . . . . . . . . [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)
							79f352a40c77433bc3a7f9728de1740bec2a7bbf
 . . . . . . . . . . . . . . . . [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.venditacomputerportatili.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016aed43556f0000040300473045022057844aae3cd63d04260a85361f7efb68c7e1f12124359aa7e7d9a8e66ca34cd2022100c340db2475b4220481dab2562786e7c786c347344e4bfdbc31fd2da2542105810076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016aed4356f80000040300473045022100d0bc5f39af9a037fbc717ee6da149e1bd2fbbb007b41f8a1470ed7101f89d8c80220144f29fe44d270cec9c87562035df5ae4cb2304236ba92b10090416f993c1026
 . . . . [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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