contrattiazienda.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f9:18:de:f7:fa:f3:98:fe:1d:09:31:aa:f4:65:53:e8:16 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:f9:18:de:f7:fa:f3:98:fe:1d:09:31:aa:f4:65:53:e8:16
Serial Number (int): 346100226350033452599591753012046128736278
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: de:d2:d1:37:b8:cd:b9:45:af:e9:c2:fd:d0:ec:f4:b7:5a:87:c8:1d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 83:47:7a:23:0d:30:96:06:82:99:71:20:75:c1:44:41:70:a6:aa:6b
Fingerprint (sha256): 41:8f:95:b3:bb:af:d5:19:85:ee:79:b7:25:db:2a:34:51:a6:e9:7f:47:8e:75:a4:5c:ee:58:80:33:89:ce:a9

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 346100226350033452599591753012046128736278
 . . . . . . . . [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 2019-06-26 03:40:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-24 03:40:47 +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 818078328430442097230293248269367677821262210993018519736175122190194188040309797290557613449977226575693089125378748735066066409902380030394051096486985173366047365199370648789641515857367409533467115414469388477533307095221809140458433514946198853231735184540826368763448619407721877786883910812799769510351945835403902663903944045871411740396163797867398762415384882301842231039393566528456055952582514999816392095863062700165637980529804989842698477658397098028108698860411429209704413826679757100021582232590844082843539740103907539221440948340198165119869543454763700268763792987601908870630397938218526669604073400414840517233524041960863018383951226922809913534116343620282353188965886916516191486181105636525631223729691946439043757735916257348824925950272328220847267767293005278269022575240793342510971983406085268491478259551031025402922011757277416380984690870782635054122009397173454558094894079426592655818486752000735826474180711645637001974719239573342511865187646513870663737784819743019986506962072601318836161906146259508347555087541681659401957788196108336959058429975535394854252083753383549612158492893795882970210445089004869296430009224144877712884204538912880567580136816337699782100598725960222764122801841
 . . . . . . . . . . . . . . . . . . . . [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)
							ded2d137b8cdb945afe9c2fdd0ecf4b75a87c81d
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b92160d730000040300483046022100921954af573cbd4f585174f33cd1fff14c770fea9bfb51c984c7de99013a2b070221008d2f99a1d047e2645535b120f9b699a814d3511e3c91141b029187f966bd43fd007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b92160d9a0000040300483046022100df6bfc431d5996c7952769b133d439249583ef8095448548ba723dfdaf02efa6022100bd035a475ac8ce97b8b45eb6148e3cae1d88bbc2b7a178ce4104b02f1b226d71
 . . . . [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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