smartforum.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:8a:63:d3:fe:23:d2:da:85:1a:48:39:55:94:ba:8c:8a:94 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=smartforum.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:8a:63:d3:fe:23:d2:da:85:1a:48:39:55:94:ba:8c:8a:94
Serial Number (int): 395540804662920633106462650473896974518932
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b7:60:ae:c4:2d:40:ae:cd:1b:87:9b:46:2a:6f:46:cc:87:b1:f0:14
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0a:c8:43:c4:38:6f:c1:5f:f2:bc:6d:b5:05:93:49:21:3d:bc:7c:6b
Fingerprint (sha256): d9:ab:c5:15:da:01:40:13:8f:8d:d4:44:94:21:ca:19:82:2b:4d:91:b0:59:ad:48:c3:e8:37:af:58:69:45: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 smartforum.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for smartforum.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

smartforum.co

Other certificates including the domain name smartforum.co

(limited to 100 certificates)
smartforum.co
smartforum.co
smartforum.co
www.smartforum.co
smartforum.co
smartforum.co

Certificate

The complete raw certificate details for smartforum.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 395540804662920633106462650473896974518932
 . . . . . . . . [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 2019-10-10 11:15:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-08 11:15:20 +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 'smartforum.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 827990807972173604870378774156900505275421665124517562993182552237655973820470580833115796762939615471534256314944745591040174563613239178371758122354279742848696400075388225832370485869334271723813497596341316776002789122727336365307758070903884460539800839971922279719970986380612885776152952441465274615299581309068616455675479876056664814289105885371717871346783825995676058084480246034293675497915868305675030196852505520629227032183017007171850215156801702849757045176621792923440625521776766703240415741571488286140861079537287142299245768572542594766317812913830935474775491552312345614463413704660756124350241392206907612931900519334273818075230563942548307023782354089465408519260288520843211942214252551511732736851736486596793259542349939743574075449162927315506240140052939466539399576606866159593746627930113761332068121605285841907665725787293815785324012206022330406235939177617887325074214275426363911350591035731189916493767876883055026821643273704210630193244397704543132484702165521475876890762225035419359645025959300504057044868705819576173018251392078841095712493788798169050851502503202611595917498196436859003345820618054060986670711025229077337875394961982609610905503492305352114799473380042501980828137013
 . . . . . . . . . . . . . . . . . . . . [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)
							b760aec42d40aecd1b879b462a6f46cc87b1f014
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smartforum.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016db5984ebe00000403004730450220174284cf496dd6843b8fcbf3e3c68e0125f50df4056422bdbccaed3e41a65f44022100d13b28fa514081a57fa2b6084135c8c8374f47bb744e530a383b3b8d64678f0a0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016db59852d70000040300473045022044fad3090f476b2dde2c91ac18bc7fe6629d1bd3bdad29d4e533a286ca628aca02210092bcc6e681fe0d269dd241e63430cdb18522c88ee7c1821b1425ef8ece20b08e
 . . . . [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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