www.impresaedileeraldi.it

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:a7:7b:c4:81:25:d0:81:36:b4:fe:a9:2c:ae:6f:7a:0a:64 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=www.impresaedileeraldi.it

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a7:7b:c4:81:25:d0:81:36:b4:fe:a9:2c:ae:6f:7a:0a:64
Serial Number (int): 405440814355930337439374907194058747808356
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 74:cf:48:b6:d4:63:98:63:b1:c2:16:1c:5a:75:ef:ad:4a:57:c4:93
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1e:21:fc:24:d7:7b:be:bb:33:58:07:96:81:b3:62:21:be:6a:5b:9b
Fingerprint (sha256): 13:04:05:70:c0:01:71:59:66:1c:c6:c9:9e:e4:8f:9b:f8:8d:6e:b3:09:5f:c8:e8:5b:d3:15:ae:9f:ef:7d:fc

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 www.impresaedileeraldi.it

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.impresaedileeraldi.it

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.impresaedileeraldi.it

Other certificates including the domain name impresaedileeraldi.it

(limited to 100 certificates)
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it
www.impresaedileeraldi.it

Certificate

The complete raw certificate details for www.impresaedileeraldi.it 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 405440814355930337439374907194058747808356
 . . . . . . . . [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 2018-03-04 11:20:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-06-02 11:20:34 +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 'www.impresaedileeraldi.it'
 . . . . . . . . [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 655485327346389160352275884895156669237810597706866591207643442141791301095853024047664833505903057071231391088772359533317600166531101567278054663542815611815566440695704612827418967732210566158733339197790098189199669882665495536766633602147474336242439090269554781226851682932074457269241820480978761275382186739222526484744376236754509304104543021123302708804714924704184753230997556478422402189311459266763034729476139386748866252955810300017288566902276254833505080225560446363901065360253805677446449184667193293431218843863491666103111364698560954387682507520638863037801249049706635550966576227384230000975431129272501197778120875262017294770502124876981003736723495207991876824985574038313362124339980319225472157941242782284577796151593531752912093737078969837025636078016334880009119394439286391125238434565846942488900554698250874413117960833522546313279025824344628373282913346203228873957779110824506577553222984190561771046077122640075722048766907259983062970716936532796194755176270267291596006432848321369856934231881306558633049163069073799192993771592119728541778778978832615191794432496830000144624364379328617849661458025127640048936081650961098584841341761340887038019510616278737069022763772505578617332826091
 . . . . . . . . . . . . . . . . . . . . [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)
							74cf48b6d4639863b1c2161c5a75efad4a57c493
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.impresaedileeraldi.it'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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