contrattiazienda.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:86:9c:45:28:33:f3:bc:de:cf:04:c9:9c:b3:2c:50:3e:ad 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): 03:86:9c:45:28:33:f3:bc:de:cf:04:c9:9c:b3:2c:50:3e:ad
Serial Number (int): 307142413613924633445162411185710077853357
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 49:45:a2:82:ae:a9:e3:22:c2:72:fb:08:8a:a0:69:7d:17:5b:65:1e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 71:ca:4a:30:68:26:41:61:d7:95:f7:6b:1e:3e:ce:f2:a6:1b:73:56
Fingerprint (sha256): 6e:f9:bf:e8:72:6a:f4:d1:60:9a:f5:86:e0:38:07:cb:51:0f:35:74:cb:66:a6:a1:11:a8:43:5b:06:10:c4:57

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 307142413613924633445162411185710077853357
 . . . . . . . . [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 2019-11-09 07:12:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-07 07:12:18 +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 '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 963733612242253252425366754262570271841697940590338470794422976416417546175850524129203460489073406572105544863706243387175746529704230677978346964103277414065876085572702081699415749966556125433049674367814792816572578399015914694166779516121010773682087764174458863186626271844626456629934139822167205418743073551927022731035532710914618175929362132173698262840384931044110430719740733937495542601744276152086779061258829343936549140811354860209179308612026574367702446190856035553439244440234521348754936596452188231210709425672780084651581265716806982404733463717935362127129550944215780183005229553920472597524455837724267372400380150765063017061223343810635844641390209673633374823621826795167355550971911285076103772295116648020856980031858238926570545631881368639043098211294207099099317927231323126846953640751482394078994509794662168519722327050324228710212894608258350590597682071835282035851667015688072312861246727377674800529796570311561149943072500404022151665378422529777196879441414941200716396758414004760823813801937314898976994344108447971097955084653977110919580284768101594296103678791741623384084715697498278322139477389938653599380219998174887693945605174658851288863558384885189662582065807742830253156868333
 . . . . . . . . . . . . . . . . . . . . [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)
							4945a282aea9e322c272fb088aa0697d175b651e
 . . . . . . . . . . . . . . . . [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)
							00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e4f38935b0000040300463044022065b357994e401d83058f143f3c63e8869882c19acadd293c7ad57154492a373002205c5b3e97c03707b0cb59350227d0eb2e3d7dc70eb37af72f06cdb81017d59f1d00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e4f3893a900000403004730450220366f475fa7becbc4628a4731372856b53ac71ea7e8000b3fc52dfd122030128f022100b20115f5fd1cc125c702cfee25622eb292126795cc2766679bafa2992d5162e7
 . . . . [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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