DV SSL/TLS Certificate for www.sifattura.libero.it

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the www.sifattura.libero.it DV SSL/TLS Certificate

This certificate with serial number 05:77:3d:5c:28:d0:a5:2b:1c:e8:ac:dc:01:71:96:9e:5c:cd for www.sifattura.libero.it was issued on by Let's Encrypt.

With 4 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for www.sifattura.libero.it provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:77:3d:5c:28:d0:a5:2b:1c:e8:ac:dc:01:71:96:9e:5c:cd
Serial Number (int): 476136592749273734553632959353831863246029
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 4f:ef:15:18:9e:dd:08:27:34:fe:d8:95:86:ee:d4:e0:5e:0a:67:8d
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): df:29:ac:47:a2:a8:ba:7a:60:41:44:17:6a:c4:df:2c:e7:37:ce:d5
Fingerprint (SHA-256): 1f:dd:1c:12:47:7b:14:b6:dc:b6:96:11:77:3c:b8:a2:c0:f2:8d:52:99:d3:e2:62:45:e2:bc:8d:7e:be:af:28

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/78.crl

Check the revocation status for certificate www.sifattura.libero.it
4
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.sifattura.libero.it

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for www.sifattura.libero.it in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsjAtSEmAHk8hNxfsGnee
Cm017G2j9f68efeYWzXVKpRlSM3abVaKSBdpJmO3Wh0g0I/lXKgOpssbOJ8ujCB+
ofqWfz7JIKfLGYrYJ25B878GVqAUT8gO+/KzhQr3fm1a1oBTUa1ysMZNoT6QdNyl
xzWN0ycojKbkufJWG60KQ5Sz8XYoA04aTeuQ1JPybOoggZV3+yqSIeKiP/3jiHYF
UP61f2cly/GkObn0OogHaMHf9NqEQjmwlAJ/GvJM9VJaAa90L8OQDx3g1ModJejC
aoNQM5hJNstuioN5QNb1d+nkjck6s3k2EVW8qvzd3CPyiYfIz8vSQ6edAmNSRuVm
dQIDAQAB
-----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 476136592749273734553632959353831863246029
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-20 00:21:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-18 00:21:11 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.sifattura.libero.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
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL []
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22494175191020957241083117131821483917328873093643604329435711430572493465284274209319878041559527393366551433060243932620589114105775343227639134500042394216680210869746855870865181961168156736223750042649645033059625697511779431142432966277175296301480589630301190703509187509129769378881143565661667590506189353019004275431479936937296042895496011118768637321781328730364300572962715444381933860143757931879201417917914301617532538341155524612634159678129136929415969421247555664704367380372769491121971424541704313464361587221239552569314121099288289945542103542116936659190372630197178042354049822175059983558261
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							4fef15189edd082734fed89586eed4e05e0a678d
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (97 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.blog.libero.it'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.community.virgilio.it'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.genio.virgilio.it'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sifattura.libero.it'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/78.crl'
 . . . . . . . . . . . . . . . . [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)
							00f0007500dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001978aeb8f4e000004030046304402206e7f6bf599a6b8f09eaae10a09e110609f456ab3c90ef8c8c21ca2c607969e8002206da17ed4378a289c9a5257c7917aef5162399eee5a2d34b0eb0d9d8fc473ed8c007700ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe0000001978aeb9ea30000040300483046022100f2b135170ac74daee42c2caed33ee2f23338a2123ce7edba3d661c67577a9b22022100a69706550929804d387988c281b645bc5aa41daf01180295a517e394dc4709e1
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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