contrattiazienda.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b9:0f:88:c3:dd:f0:cc:9e:b4:e2:94:d0:3d:dd:ab:f0:26 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:b9:0f:88:c3:dd:f0:cc:9e:b4:e2:94:d0:3d:dd:ab:f0:26
Serial Number (int): 324309744220617710555670158744797804490790
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 39:0c:2c:55:b5:83:24:f3:4b:53:fc:57:ef:92:e2:00:bf:00:7f:08
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 94:35:c6:55:8f:40:61:74:82:16:f7:cd:b3:51:68:68:aa:c4:1f:6b
Fingerprint (sha256): 0c:a7:78:96:03:fd:4c:1b:67:fb:ca:4f:17:3a:c3:09:2e:3b:a1:d6:74:d7:94:f8:6d:9a:6b:d3:07:f1:9a:de

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 324309744220617710555670158744797804490790
 . . . . . . . . [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 12:19:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-12 12:19:15 +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 844545696857430228626243071586203110803823565370202885182663503771489624645901367920929791649388888915241719805891401742220328170965420285039485528762903531063743025776452656241136433464560765624310273565161680489783805239360362756926469095676110300328688994273712226226820073118438765308772888158624035059994271651351161832726431506292384658763086016473225946067706685008131987483348476923612674366887497545297311520035446730458073084878630544470524174914028536753263952375879379282478543068573394776150927754266855528355989458530851543648284562331725217211018825100830631364539183643469156377874711291143191924025438774158044661742095846733241858434086766659761217901267941262471069212192575122468838721935643158221958114766843345823173965331879420869412500294272057917295207227622086237746279606663858759955546589564323864285746935897946485660339089273478115936950623251838830006147253578742538957578657998497415685550862737948167664647091255172629181194472818133627909723294348303849084105919748144274585442753187213630053523683666014663829653959874378878480351502174010921146785661957376973488301550993051790795926906565144639859353845351718689970628567971044475317646751874128082870695334254329174611147236363646879434339344491
 . . . . . . . . . . . . . . . . . . . . [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)
							390c2c55b58324f34b53fc57ef92e200bf007f08
 . . . . . . . . . . . . . . . . [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)
							00f0007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170d932e16f0000040300473045022006dda5ad1bba75e540fa49cc01c7199b1789723fc30a057d79ee44e2a67238d4022100c851dcbd880c5652f2aa78b7605b8252691bcecf3fff3ee085154853b768956000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170d932e1c80000040300473045022100d2ab0fbf0d1a27d1fd50b82645608d0359063aa8b387a4ba2867ab8fe9f93a8e02201cd9fe8bb6fdcc9fa1ffaf9f6e8e7a46236c4b4f29466a48e7ae03fcc229abf0
 . . . . [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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