www.curio.io

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:c1:3f:6d:20:20:b2:89:ff:b5:e9:d2:30:b0:bd:e2:fa:55 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.curio.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:c1:3f:6d:20:20:b2:89:ff:b5:e9:d2:30:b0:bd:e2:fa:55
Serial Number (int): 414207948518501803710585908300887416306261
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 63:ea:fd:72:d2:41:62:9e:07:5f:25:25:78:0d:a4:08:53:6e:0b:1d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6d:fd:11:cb:da:3a:b3:7c:01:ce:48:e0:bd:06:72:e9:5d:da:6e:3d
Fingerprint (sha256): cc:55:79:02:69:33:aa:17:dd:ff:df:d0:91:20:da:4c:19:58:f5:22:41:db:84:7f:2e:f6:54:ae:28:b4:96:fe

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.curio.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.curio.io

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.curio.io

Other certificates including the domain name curio.io

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.curio.io 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 414207948518501803710585908300887416306261
 . . . . . . . . [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 2019-03-12 04:03:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-10 04:03:06 +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.curio.io'
 . . . . . . . . [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 781241878721563818694506217372925859933917723067943744803909627245438192059261794700946808695482575802966411725297444462438532379291396241910232440567047453096692875258746386901730490118660705460112679058883496916893165980509816439784644038707821058635007307889219639413159419626534484687539519527956779418763583411462835662503974052134698205978309649212086573959380463896195001761095691337292525316767406727741792471481739473901999122539401560751858468542170149854139010690702685140385363494097990590404644521164743335892376504567103404705237226072400684947968295020220383840570697431718297152920362654280880710426586240239607543754268566781242033589161822818760119451601183502430056874490211823005010922271910613131279004907174106571096794527342739697962080339301647290460045119215140600887170750892585777161822777463283988255074745840117207943647651952368338671729797413711144157257146570336269484079903680899516291106468529618279194949867098418966603963413621270725826989396189058534424996534644552961390526303478353324946788704184652781370214636545070891199489315427768355374149881681966665170126462037685707728006840172372276055931151921428719600100447495601421895375971083485496233699234518866775030310527028176664496718746639
 . . . . . . . . . . . . . . . . . . . . [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)
							63eafd72d241629e075f2525780da408536e0b1d
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.curio.io'
 . . . . . . . . . . . . . . . . [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)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001697048646f0000040300473045022100d94afd652d56e2a8cd7e8474aa9cb30765b3c3ed9934354cdd5a11313a33d3530220018545b4c5b77528b4a2e78f8705f0a5cdb9052128069e7a3fa83200b7d9b16600750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169704866680000040300463044022052f6be68f65d242f9cb868eb2b821bf994597a621bec635349336b6f580943c102204065b095f73df4e031d63187eca72f0d5ab7e21512037034122b052fd8d0e277
 . . . . [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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