contrattiazienda.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f6:8d:11:14:27:5d:be:76:a9:db:9b:64:35:4c:0a:3c:34 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:f6:8d:11:14:27:5d:be:76:a9:db:9b:64:35:4c:0a:3c:34
Serial Number (int): 345233829883050972955292372344748747930676
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 90:3d:58:04:53:0b:f3:08:89:97:f9:8f:85:08:ac:ba:5a:aa:1c:d0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1f:57:d7:40:68:a8:6b:5c:4f:5a:38:2e:23:05:27:ed:d0:d4:95:94
Fingerprint (sha256): 22:ad:80:95:79:c9:7f:77:0a:d7:3c:bd:b4:9c:d7:2e:df:4a:77:b2:2d:4d:6c:88:05:2e:d3:85:73:a4:91:81

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-----
MIIGXzCCBUegAwIBAgISA/aNERQnXb52qdubZDVMCjw0MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MjgyMzMyMjhaFw0x
OTExMjYyMzMyMjhaMB8xHTAbBgNVBAMTFGNvbnRyYXR0aWF6aWVuZGEuY29tMIIC
IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA7TRDL0jFDmEQcvYEwd07CorE
sENnu/4Kjdx78EINCPqhp9WjfEH862SNoWWA3rDIorQEkf5K6z76MqY6GD1gnlcq
JwnPx+JrwFNosVHMOoIZmD7HQmf6XJvnB5pwsk1Wzq9y3JZqhpCq6GPAEmdBN+ZW
SvtV2PeRsdXLCyKaq5M8Ljt+aAhQzrFUn/zfnkgxZqUEjvQuYwluay+otvxw/q+l
u3ty/fsd2D9U0Wd435E5z48Z6ybKv1PpTFn9AsckAIikDaBKB63cZt/UPssv0BNO
tUkRli5rx2qn+EavIZfkHwEhDfGwrPWycheIdDxHHPbqWiY0Qhp3kDHloVu8X3Th
DXJpK57J7LmO9omICErr+vaMtzILNVh/HQ2zE7GMQ9ElykYZPTnSg4oq/EE4OuI0
RTwD/YBIEKWDEOvRMom/0ORYK3/BVZrCtkk7Bp7jV6sOFNMQTs27VygIcqu9ED2k
a1knu1PGONQlVw7qNE3drmpn8Nq/HF17g/2zHM4+Stz3ZbuGLByjQH1mVIsKc2V8
CP+Gk8DVjvsYbmeFbEpaknc8mj7UZ00JAS8LKOFL+5oqDzuqQAVUxXBZTHDNETdu
0P2GWLdhgYaMKU265WKzEGdGTawLk94HrzCEuR1t462eBlVIAifp4ZmsyCFtyipF
41VlOQirwK2xjtsKtyUCAwEAAaOCAmgwggJkMA4GA1UdDwEB/wQEAwIFoDAdBgNV
HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E
FgQUkD1YBFML8wiJl/mPhQisulqqHNAwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3
pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2Nz
cC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2Vy
dC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAfBgNVHREEGDAWghRjb250cmF0dGlh
emllbmRhLmNvbTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAo
MCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisG
AQQB1nkCBAIEgfQEgfEA7wB1AG9Tdqwx8DEZ2JkApFEV/3cVHBHZAsEAKQaNsgia
N9kTAAABbNrJtmsAAAQDAEYwRAIgZYAt+or7NYUd7P8lIn4e3ugtj10uUtquzkQK
51OqIEgCIE9YQDpW4NEI59c8J4arJZO1VAPvOFPWCwHh1b3oejIhAHYAKTxRllTI
OWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFs2sm2CQAABAMARzBFAiEAvzbr
wgQvL0sBFCnLTWXUd/ESVya1muXMlNiPEiAMs4ECIE/zBt8EJTkaVcsLCj704c8h
xtA85FYIHfchye8pslp5MA0GCSqGSIb3DQEBCwUAA4IBAQAQTeN45AANZmD7NXBK
pM9lyiH167Pc4IXsJHzwc/ZYILX0IbNpscq+ZTrdFID7TOHrx5FVNnihDBf+7Wgj
CX2dB1RYjt1UX2N1REUBIgqu4xo5RX+s+EqYwJz2Ef3DR3CAICfFuAqg10rQGd7v
C/DorwFILXYVLz6ywYJAxF4yamSj0eVWzZrSUM3Y6Q/26OqP7/vzBezIMffwdDvq
1nSYApBjXk60hVvXwfc5HWJjhs5Ah3I7wzvqHa2ukjQMDhlRwdeQ/vy7b1RHQd26
tYMjOh4mT4IG6jiBTrK/+t0Y8zMMLYbjzevSCOYquIhNDxOqDLzaV3XZHP4AChBp
qaAl
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA7TRDL0jFDmEQcvYEwd07
CorEsENnu/4Kjdx78EINCPqhp9WjfEH862SNoWWA3rDIorQEkf5K6z76MqY6GD1g
nlcqJwnPx+JrwFNosVHMOoIZmD7HQmf6XJvnB5pwsk1Wzq9y3JZqhpCq6GPAEmdB
N+ZWSvtV2PeRsdXLCyKaq5M8Ljt+aAhQzrFUn/zfnkgxZqUEjvQuYwluay+otvxw
/q+lu3ty/fsd2D9U0Wd435E5z48Z6ybKv1PpTFn9AsckAIikDaBKB63cZt/UPssv
0BNOtUkRli5rx2qn+EavIZfkHwEhDfGwrPWycheIdDxHHPbqWiY0Qhp3kDHloVu8
X3ThDXJpK57J7LmO9omICErr+vaMtzILNVh/HQ2zE7GMQ9ElykYZPTnSg4oq/EE4
OuI0RTwD/YBIEKWDEOvRMom/0ORYK3/BVZrCtkk7Bp7jV6sOFNMQTs27VygIcqu9
ED2ka1knu1PGONQlVw7qNE3drmpn8Nq/HF17g/2zHM4+Stz3ZbuGLByjQH1mVIsK
c2V8CP+Gk8DVjvsYbmeFbEpaknc8mj7UZ00JAS8LKOFL+5oqDzuqQAVUxXBZTHDN
ETdu0P2GWLdhgYaMKU265WKzEGdGTawLk94HrzCEuR1t462eBlVIAifp4ZmsyCFt
yipF41VlOQirwK2xjtsKtyUCAwEAAQ==
-----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 345233829883050972955292372344748747930676
 . . . . . . . . [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 2019-08-28 23:32:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-26 23:32:28 +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 967708504098692801247267082010344327120734755534711987172580490805341515542050293472848824620070666148494082337401162179829214268724914764078164771816793600716201006154563274866693097428688743571587001268110323547508270358465017083866056747087257978698286960034380073975246691672076579688824082233424673788003035320039176107111642295365647117060547098312721330820878158574983482565668398028962218438898133615442844245803101636076192013091525261546200190716698978028824286517842880796098977773363529498055468564511475617452429797348483987019018451387100698518442816066931319650129075457108003118830160017976636373425901298661357460739699125950846100001829834034058039390168494006669227005405666947536051396489789060342719053694975860051146438460568781428743503181041403910034529484161346458043662030662458303114168932130296139016668283709191530372982627216039606629269914941950883917888176612597903314789661305044856686574343255943976097112999638979959907556216286476145833996384057755538102668796243828148110208855458856621731359030801674405143358801117370513721707751713114462649039979948975169036614295856304902623156300039732203783798496573528070957849453957824916735622400957609093052411543956569824693173664546218850353104467749
 . . . . . . . . . . . . . . . . . . . . [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)
							903d5804530bf3088997f98f8508acba5aaa1cd0
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016cdac9b66b0000040300463044022065802dfa8afb35851decff25227e1edee82d8f5d2e52daaece440ae753aa204802204f58403a56e0d108e7d73c2786ab2593b55403ef3853d60b01e1d5bde87a3221007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cdac9b6090000040300473045022100bf36ebc2042f2f4b011429cb4d65d477f1125726b59ae5cc94d88f12200cb38102204ff306df0425391a55cb0b0a3ef4e1cf21c6d03ce456081df721c9ef29b25a79
 . . . . [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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