www.contrattiazienda.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:40:60:c9:a4:fe:9d:49:d2:96:03:15:6a:73:ea:2a:80:89 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.contrattiazienda.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:40:60:c9:a4:fe:9d:49:d2:96:03:15:6a:73:ea:2a:80:89
Serial Number (int): 370355868095732772342391742527626453614729
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 40:34:f2:e2:45:46:71:f2:ea:cc:8a:bf:35:a3:b1:23:7c:af:53:08
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d0:b6:2e:9c:e3:34:b7:d5:04:2f:60:d7:0d:01:cc:f5:5e:d9:96:24
Fingerprint (sha256): 0c:1d:90:62:7f:f7:21:3e:58:1c:33:a9:63:5d:27:db:23:f9:d6:48:af:2e:7b:6b:d9:96:52:08:47:db:e3:19

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.contrattiazienda.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.contrattiazienda.com

Other certificates including the domain name contrattiazienda.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 370355868095732772342391742527626453614729
 . . . . . . . . [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 2020-03-14 08:36:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-12 08:36:40 +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.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 637884402858447234221080522275068697910324645193511286668335545372604451718633053141438273783268244833050332030692507055096517799023162163573519070886596328891514356563770200200353560587498458756964300883336642043725857589613394627122766098963675327536465963802827621332364714365875721702278350413792838272869165325840564595353197242461692744860623383003222970206441623072009132794944634076673175766578375433486501973832096326276439929717125266156123532869296982811777110263310657836477317113861382324389719839016620305526592338717260188733100453900832699026159549896190336694992803531672770032588148720361140781039232411371545011031776904157258522993319710786983499861908338791989916131590244012623030461847683585461742071635785653024607061369760652862970032447286183024571909854148425426003808844557802981095534403998347444661361324565974171360917757185157074139592174373342748546120096852335242157210550531302290684001175009353842842112248103810235373395697241420149445192552151680775317700010131897379460502706348463030034887556714887114287449993983590482914912923286239449237962759188109124914603777046529724018126817684902157682624842093225421720501104289732901993003380093042052694284942182131981620292827516281435570352933141
 . . . . . . . . . . . . . . . . . . . . [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)
							4034f2e2454671f2eacc8abf35a3b1237caf5308
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170d8671b670000040300483046022100d47e0806958d7edbb4aca472c68a75ab62e9d570e78265800efe64f8868115ca022100a8407d3591b306bd6ba90f433c281cfb603112dc38ee9e18918743c0ceb8be47007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170d8671b640000040300483046022100b86b0ecfae2bf3c2c0d5d51776d113e63d3830a9f5f4af7e242077df9a8a1bd7022100afb08a84370275213f57d4e85807aec90d216cc373774e53e9c81ac846e21181
 . . . . [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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