contraddizioni.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:22:2a:c4:75:e7:8f:d4:dd:52:9d:27:22:f9:85:3d:12:b6 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=contraddizioni.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:22:2a:c4:75:e7:8f:d4:dd:52:9d:27:22:f9:85:3d:12:b6
Serial Number (int): 360075591859748276499013148555251703157430
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1b:fe:20:cd:b8:a8:6a:5f:4f:21:57:c7:71:80:97:af:44:96:f4:0b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ce:3f:56:fb:36:75:d8:e7:cd:05:db:56:50:03:36:df:c5:86:59:ed
Fingerprint (sha256): 55:e8:dd:17:d1:96:93:3e:90:6a:b7:c4:5b:68:6f:20:74:a8:72:7a:c6:a2:83:d0:88:7f:a1:40:90:79:03:12

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 contraddizioni.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for contraddizioni.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

contraddizioni.com

Other certificates including the domain name contraddizioni.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for contraddizioni.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 360075591859748276499013148555251703157430
 . . . . . . . . [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 2019-10-11 07:30:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-09 07:30:56 +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 'contraddizioni.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 752177793806260518711647762163325726853917723843837043009421652275900196086863949929653610143302264072135914135994556364463336983341361040199245466620595402756197630611432513571582152945128861080690208346556674616411287146052218411492698580502830830750702459040580365117374966470682599653367210844163590812635373505488095069731151275123813362125278338397545253011735080116446873731605372755608484613262349091557742898353225883800726155746641344310953294942183479846749097670466761559129308471763976984651225432051859407190459091300661303570903997319683107930577544678677894103831330987256249771083742568622366942347835218934891259211593560041532431228134119493784017900003219589365852205547242643285333225168171558681831611572302112097064885355033872949361258892514624281814810352012254322506680618310426785967235251669712808424897452192287548187233839900028959711324227865694664354671652133690451069108618020835567384591890045072727066725747629534721630380243657257747819173452632417877751276263588638776032369588542170593787653409958944627401842022306451623536761887791963411680322378473636330768611793037718182279616793676115076552624228820568582794182007318262188024382419619372633971365335353382316348656149124831078572510040977
 . . . . . . . . . . . . . . . . . . . . [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)
							1bfe20cdb8a86a5f4f2157c7718097af4496f40b
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'contraddizioni.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)
							00f00075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016db9f1369400000403004630440220369135444312c1e697b4e86a79d465d74b2fd1057729f534fcfe4eb24399185902204c2eadd0d85f5d70dae57d7d5ba5b4715e2c6e6303d75518f249a52a7b66253d007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016db9f1368f0000040300483046022100812f2dee3cb65d86870a0b3ec97be719a6139624d822412b38dd678f9ec6e2b3022100c7b8e27717975311685ab606c3e757311f5db73fe31d4485c00b447cf66c1074
 . . . . [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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