ludovico.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e9:a9:1f:b8:dd:26:9d:a2:e0:e9:bf:50:a7:01:6c:d8:3f 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=ludovico.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e9:a9:1f:b8:dd:26:9d:a2:e0:e9:bf:50:a7:01:6c:d8:3f
Serial Number (int): 340847453529834409277474161268836050720831
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9e:6d:2f:c5:4a:9d:fb:1c:ff:00:6e:61:2f:4e:ae:5d:a5:8b:44:65
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ed:03:17:32:69:3a:c3:d4:b7:7d:13:61:22:82:7e:c2:25:82:a7:6b
Fingerprint (sha256): 98:9a:93:aa:d1:02:bc:59:32:46:44:e0:c3:0a:ac:8a:b0:9b:04:3e:85:1e:fe:9a:41:93:25:85:bb:6a:a2:07

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 ludovico.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ludovico.co

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

ludovico.co

Other certificates including the domain name ludovico.co

(limited to 100 certificates)

Certificate

The complete raw certificate details for ludovico.co 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 340847453529834409277474161268836050720831
 . . . . . . . . [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 2019-05-28 17:07:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 17:07:01 +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 'ludovico.co'
 . . . . . . . . [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 636445096175453480460182321240753375352128604449300359829687175085228322514069631043984234771982369788483162086221470372526427877688263776405997546206202169263550704947703727522683868278582382280910163678780854750279831506522622536797364929133927581627947016187622011315357197325864181650518242671509056575765222588099716117789606474633094215225472425152927470193459286913369685401091328329648583567094883603934409827001690103330740796401474398934133539136278008575902266934737661870801188805263009895186569300967407626609859338314711949674984056507144813241288637911480033386144316960325253598421106224036672560799845976722775168466685187901357796153722454002746593451239130926586342957599745542295556889847265081282476346140645359264699803236165345403666762563161880104317471290931275890015660445677907243872615532906741829028012736574674990310458943284196534078819017809668878352855991199627043691323087630228066341853940315669527696811344011547582057257495460802923165248464198497914704893650477738813155320301673410346641599633116756247793842075895247384397499135436590398621865489683680247919871646735712455338898157380255389829704502576348940107505951583345327740211240124231397886116380595429204125359924116724603152129912639
 . . . . . . . . . . . . . . . . . . . . [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)
							9e6d2fc54a9dfb1cff006e612f4eae5da58b4465
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ludovico.co'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016aff9fc542000004030048304602210083e25266c0dbf30dd5500ded0e88973550fff5a974863540f1a04b22601275840221008305076a0b62f0dd9be979f6a1a865346af29ccc9406e5b038724c2735a8db5500760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016aff9fc71e00000403004730450220171aa35c1c51ae7dfd4f96aca56667d623a151b95a8a01e36fa673a47623a2a7022100fbcdbc5898b6e0c8e604931e07ff23ba38535c8b08a11ee6141d451bb6f855ff
 . . . . [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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