www.duilio.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:68:79:92:7a:97:25:e3:36:9b:a3:18:fd:df:73:a2:1b:06 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): 03:68:79:92:7a:97:25:e3:36:9b:a3:18:fd:df:73:a2:1b:06
Serial Number (int): 296887821104318810860078720602564741700358
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f6:7e:af:d8:79:c5:90:71:21:1e:04:71:f2:af:52:6c:67:e5:56:2c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 63:ea:41:76:e2:8b:87:79:87:8f:c1:b3:1b:10:18:12:ef:91:10:3d
Fingerprint (sha256): 6a:d9:10:f0:fa:60:81:7f:27:6e:9a:b0:c6:ec:5e:ab:f0:48:8f:1f:15:07:e6:e8:92:59:7d:3b:cc:13:60:87

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 296887821104318810860078720602564741700358
 . . . . . . . . [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 2019-11-10 09:32:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-08 09:32:10 +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 770008485771038429927389078156867360744751117204899357583277059835905705281792345095796048331531059307396125205403134059087329593654173655089092859552033005239731430123451440617776600362671007438375343235767628601430945304313413738921084947611823391295088528129230404982442849312206778797362494267712863574330209133087257656976829310208151908931772584240711725235395133625582606862159129898191859857278899890736312265911087374184897955087261149636545106151715846114192482894275301858034369243151815134236846793843680689375120203383914761165978973235313998651429380212379765986381577384850652794396502040473896605244696137039131897021811850247445517572776081608281324839005364855421159757159953082592378293855979440939401661808291285587932632427815678569937862655688560732476157229431112853215791093680906701000258265893776910942854905080694915230338072413137165733831770710013775616006789801051765138429896640665299933687727523294086123947831141063349022823584735921065377286898759512232274002685441243265253822793457856161370980417239237277342253945794463968668023956207732316918651323486685976974568171119491827525527690931757758121727494996282472724111602972371508363622146331480311683513506025532056534851339682881624377294265503
 . . . . . . . . . . . . . . . . . . . . [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)
							f67eafd879c59071211e0471f2af526c67e5562c
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e54defc800000040300473045022100fbfcb393180a657b94ec52367d2f9638a09cb9c1581013c3d5339f44c3d8b43f0220627a8f937158953934b67495296503600e1fd7e2a6b7c8b7e6864f7b73ffffdd007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e54defe700000040300473045022100c851e5ff5d96793291752be885922c31ee813e3931a6e3d43b183e92fd8b0b570220219758bb7ae9ef734d7f72d9edeb987e205ff95ff47c5a36acd39cafdd17fc18
 . . . . [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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