contrattoazienda.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3c:73:4b:43:f1:2e:e7:90:d9:63:6d:1f:d7:51:b2:e3:58 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=contrattoazienda.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3c:73:4b:43:f1:2e:e7:90:d9:63:6d:1f:d7:51:b2:e3:58
Serial Number (int): 281907051830346650052076870584487384376152
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 19:49:7e:dc:4c:c4:cd:0e:3e:3a:70:0b:0e:de:8f:c2:6d:d7:b1:c9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1d:fe:68:c9:06:26:d2:e7:68:be:bd:56:05:5a:77:ac:60:e3:ec:70
Fingerprint (sha256): 71:73:06:a3:f7:c1:f4:9a:28:fb:49:47:dc:6e:60:c3:cd:d2:f4:6b:cb:8d:0f:6a:2f:ad:65:f5:71:f0:04:02

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 contrattoazienda.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for contrattoazienda.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

contrattoazienda.com

Other certificates including the domain name contrattoazienda.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for contrattoazienda.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 281907051830346650052076870584487384376152
 . . . . . . . . [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 2019-08-29 04:25:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-27 04:25:18 +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 'contrattoazienda.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 777380347739930348379108663092651570460614200719594379526214605520693721525437920081961296559213703345195490893093958950840749661849529725367200511207934315202927940187575629195203088418012288097480881216525204633408703414320923077613502512833013642427853140407492640301150706124023547007014415418420279612414741024252461992855048101965701084428302698699410487811998456759723312591854109892016025982115531571420158236992505906468030044504282503267374199727983526885128680167687884020495599919999145691026063510240493988812729272351148486235484105797879564411718549647638808617962907785871832782357599895545508164813538695482716083325196412622767454777932472068677728658075215388802084171707692627385123066227023913906236908399398056094737029418751860309102432185363219126924046804495789984241680124715568570109741660531436336898380975738833734022450366796392089434166602357335092928099389400321188138692957995155804184811507990861853789307513615378098684569070583826238724084776026546767408713897978414680378099317936323149040377387119735494759927978105036829564118849451056878536002834056437043251040656112011454630985950223918603744603211393275695302320779385199031051963370688155025712199555717537682629118545689988220591244337307
 . . . . . . . . . . . . . . . . . . . . [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)
							19497edc4cc4cd0e3e3a700b0ede8fc26dd7b1c9
 . . . . . . . . . . . . . . . . [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 'contrattoazienda.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)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016cdbd5d35f00000403004730450220755934c5882e93b008a95bac89a7344d5b8b0aab1506b6c28d517468df7d1dac022100b1594af4b31456c742b3f2d6ea4ff3533b7e09b2b883ade1036e6601f5e26f1a007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cdbd5d34f0000040300473045022100d93c13a65bf37ad6c372dc7ff8e97a5a4030c8630f942d7d9ecac963955dd2c1022024af26383869a6ed03bb199f067c05d1ef021dd995d70ecfe727f1f18f374993
 . . . . [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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