contrattiazienda.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:fa:9c:c5:06:56:2e:4e:b9:22:98:e2:a6:40:3a:29:03:f9 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=contrattiazienda.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:fa:9c:c5:06:56:2e:4e:b9:22:98:e2:a6:40:3a:29:03:f9
Serial Number (int): 346615832103861345122009637345509658657785
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ea:b6:20:a9:48:d6:66:13:1a:54:e8:32:1e:5f:ab:6e:ba:87:e8:0c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5f:bb:ad:37:7f:ea:b7:7b:dc:82:40:95:45:97:9b:f3:77:a1:66:09
Fingerprint (sha256): e9:34:ac:c6:f0:64:5d:d2:14:73:be:ff:da:78:d5:4e:d4:45:2f:ed:60:44:5e:a8:a1:83:c3:d2:2c:7b:1c:cd

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 contrattiazienda.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for contrattiazienda.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

contrattiazienda.com

Other certificates including the domain name contrattiazienda.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for contrattiazienda.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 346615832103861345122009637345509658657785
 . . . . . . . . [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 2019-03-23 08:34:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-21 08:34:05 +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 'contrattiazienda.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 761445981701274200008640010623889057910425355549432729157743579189955805716280139468139217359907789122798529429906189932008098043066340666928984203630555855905204957694509164198055196993816491855928544548356701646147672368273642399858410519743943307349784156673149365884254239566320421767661516852458622358322748945460720923114734112041590653811170254165233261708482086220178569644886776692016376122323230428488401479103248412383991241002667994744292928743938306542289736325598129991457172850453435076502226439486249728960376443557319207866867128711788695341919567612624816779013508279646784269286843516621518822439676798722323012123274914663624080124057899553774470099190311209372080681315121742215954555679805946537775329794411790752334143911628069183531126053098236526783893179009707485961660452230987996099662785133413625327013613667222276046990471309166496161621472816128686511082795634844488620067956766677979556981548831124962086537095895402350348428731332062002695879363080877082329903076527516073725085117240815091136886579790772625495421823199358812581822771592875744662601672705414314837979482165675570602664858336860980769047653437540188412421643059606921660611011736926345889557724462474614729686533682786190041872160149
 . . . . . . . . . . . . . . . . . . . . [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)
							eab620a948d666131a54e8321e5fab6eba87e80c
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'contrattiazienda.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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169a9e672070000040300473045022100cd512d924adb45faf7235346f091c12792422b8125eeed4d31386691f9f7434202204d9b115d87e99e17c471a51dec9e4739f4ca1a7fba995bc853e5262a88ceb8b800760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169a9e674680000040300473045022100884d85bb8fb15b5afcb0abf5b1453f7562bf9e80e689103b360d5d3e2ebce96702207700aafe3f40147df7d31af184c0a593d57d6c55b1b5e58680c908974604cb88
 . . . . [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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