osservatori.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:aa:0d:c0:11:17:fa:2f:72:e3:3b:35:7c:28:08:64:ce:93 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=osservatori.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:aa:0d:c0:11:17:fa:2f:72:e3:3b:35:7c:28:08:64:ce:93
Serial Number (int): 319203137403482960936314600649189633609363
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 51:90:a5:81:3b:8a:db:17:4f:0f:5b:26:33:b4:96:08:b7:59:86:ad
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8d:12:06:dd:9d:c1:46:b8:ef:ab:ca:19:26:69:76:9e:c8:6b:54:d7
Fingerprint (sha256): 42:e9:f9:71:dd:63:c8:32:ba:b5:cf:0a:53:08:a3:2f:e0:ba:7a:c3:70:6b:4f:f4:ed:bf:89:bb:64:29:47:91

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 osservatori.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for osservatori.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

osservatori.com

Other certificates including the domain name osservatori.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for osservatori.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 319203137403482960936314600649189633609363
 . . . . . . . . [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 2019-05-25 09:05:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-23 09:05:34 +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 'osservatori.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 807873490975696626784155895446597006095261075916406929697646090228425496308161623522246214331784309562107170376403144752648870110881232488270378678631242352372169564398056543916982806052656181947818565631617007277747220075625493326300805320008742642002896205799802232688755003940657202973657574720808481145875055381369368137144886967652448840412881086093693334979353200503217797835914669522110919043411070840158567598176102950473219910853228957072914824283335906250065318371187486720230714565977120183673297061749985288303090763485631033906549012208175831534920219720287661183823784691504092954660667777132323355864595419842607230333176769924739451375166863705058182139449908761461418791250547998516555589356166286761333309746997389581317917949716308855571909819866988098546493424144640361653168828579542462837269728358726146604964428274131441147228603014035871283272830175935297555108416399561437126637164099906626846456320514393820179586438693179459209716963505995267526859379033524196397393576553816290365982895340948551190779870474729932743272892743427675028066668395924745546224637077189173211386065583820049243294944522037784581857526499460709759784881080570939231230269561942343752540727615262254698682272498159212882117720993
 . . . . . . . . . . . . . . . . . . . . [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)
							5190a5813b8adb174f0f5b2633b49608b75986ad
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'osservatori.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)
							00f0007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016aee73e9960000040300483046022100e5df97e5ccbc0eac7f3841043baee1e34fb83722de68d84895aad4761d9f0d49022100de1afffe3a65d2fe6a760127449f867037bca2770ad60c5e051f0c221cd36c1e00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016aee73e987000004030046304402204b412ccdb275c21415d45faaefda682782dafa2cc77309b48e404abcdbb3d8a10220616f7991f5473f72fe62dc03c49a204e1ade6e6b9d90da586e6a47c11048aa3c
 . . . . [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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