www.duilio.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ed:1c:95:0a:07:0c:7c:a7:6a:73:e8:ac:55:3b:36:a8:67 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.duilio.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ed:1c:95:0a:07:0c:7c:a7:6a:73:e8:ac:55:3b:36:a8:67
Serial Number (int): 342021770995039612806084390694072624785511
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 12:30:77:cb:b2:f3:ea:05:c3:2f:89:5e:24:a8:93:a9:af:3a:a2:88
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a9:45:5e:ed:49:0a:f9:53:5f:ec:f0:f5:05:aa:3a:bf:69:39:22:10
Fingerprint (sha256): 67:c6:6a:50:4e:1e:51:cc:8c:c0:fa:5b:26:9e:a4:eb:8e:d5:a6:8d:b2:43:a3:99:62:3c:c2:87:d9:e1:9f:e4

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.duilio.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.duilio.org

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

www.duilio.org

Other certificates including the domain name duilio.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.duilio.org 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 342021770995039612806084390694072624785511
 . . . . . . . . [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 2019-08-29 11:43:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-27 11:43:24 +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.duilio.org'
 . . . . . . . . [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 788057934269550062025718152196754994444866601704999664385491352868036626056535726078914831763097450488924817942688573838425244094099017228699917999737806528985020693748483712532584992874410689245777679879240679070479073531528896054301984661781281971905415515094854420931937348005270512576393348587994817295876544110264434995063459768140048835739827034387123102678881625029161253539567415732522053278112513659165193005318995268150827900494636842642629063555518781504413720240328472406617780777854093138188289839433234534634207235156144265599930757820043070117770428007833734663335916951020624852329129215043289824734955186718264419568335179376192744173942540734071185945600808975237636059204069382411180219515240606873120902317652821518123010218350774758271935828771362459384985414455062509736052994930240511992093715530703451259005348730272417769824788158063904250315688124928330699892413917207421792990032385505275781718802281522241408285165388386904720777748431115914527425852967018749154537884310961698010735909260617408525492201785034269250479342594564310946508764328246763912632281521502900403895457397227231132288692119170322955951052043364565415623952178832031859428568415545309269863498379235448547772423993877805693744732331
 . . . . . . . . . . . . . . . . . . . . [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)
							123077cbb2f3ea05c32f895e24a893a9af3aa288
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.duilio.org'
 . . . . . . . . . . . . . . . . [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)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016cdd66eada0000040300463044022021d0d8ca07352149cc26d3e2c6c39e36acd5db3ac8ce1ecd7aa142faee43a345022021a587b991512b434591ac68c13c8ef6a5703165a9944f567cf7a82463f51490007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cdd66e9b00000040300473045022100929ada27984f76bdbe9e60985c252cc1fcdbf22852d3e0f92a85092c6de8fdfe0220145a9d4d57946b80047440b9705fb380c10a72366a9a82cee52a58ae41e0b159
 . . . . [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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