smartcitychallenge.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:42:4c:d2:c0:d1:d6:c3:65:b3:b3:bd:fe:75:f1:ba:8f:f6 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=smartcitychallenge.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:42:4c:d2:c0:d1:d6:c3:65:b3:b3:bd:fe:75:f1:ba:8f:f6
Serial Number (int): 283897609632930420328109597738138318049270
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a9:b3:ac:77:0d:15:25:1f:6b:4c:ec:60:56:ab:bf:db:f1:8c:71:d8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 13:b3:26:8a:a8:59:50:64:49:e0:90:7c:d3:86:68:e5:bd:49:59:42
Fingerprint (sha256): ed:1f:fd:7e:0c:f7:e4:ce:34:53:48:44:e2:e0:82:bf:c1:7f:63:5a:61:19:69:6a:59:4e:43:20:8e:ff:3b:dd

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 smartcitychallenge.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for smartcitychallenge.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

smartcitychallenge.com

Other certificates including the domain name smartcitychallenge.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for smartcitychallenge.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 283897609632930420328109597738138318049270
 . . . . . . . . [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 2019-10-21 11:00:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-19 11:00:03 +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 'smartcitychallenge.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 694897714373158742494155528345338398842859386167293309942466462302489611547707598070360923027172064433077145300226190420874656657096426645303244177364113784569520301257550013568552223874025593240767688270851626249049242695169698446939954844721991054711094517001646350735132352057829650353401094406006831900745363770887072004289804891790788135666926653839724371567170774932985926747857526362231324393920062175740603977766664442825902257653818003360625770572500735950364103790772787220843858663633919802513792158085611823838003805917903607092123543530437323985094289023497584376815654790288889683112422304844041590264777987068230604186514496072562182943101954681414588220875670666311102192968652678890786679100570045258637749158587296956839346238208767605092599877445928363806815724990669723283389498577555297450344901073104238909407272980418565778215322670978249065030714142187006535313736416293360794209130096437652424835545433041551834100585735747972016686083271106425037131594531732170619267334598469164589699226464976385142697404868516136140688484013623270994162382680555099808039577524933499886373129217710187235515955282375564283665836173986635773878289659125052412080634991524592122012844234024180561058320937541186391381586853
 . . . . . . . . . . . . . . . . . . . . [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)
							a9b3ac770d15251f6b4cec6056abbfdbf18c71d8
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smartcitychallenge.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)
							00f0007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dee30445700000403004630440220332a0a5a64b75ff3ee807ca308e3ed7df309c7de615623c1208f052e65fe366a022076b5474b11f676686381074e0debe00a0b392728f65977f63a52fde3fca8fb490077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dee3045090000040300483046022100e113af3d3624313d89d676f5f739deb46686f91b74e86fdb9acaf6b4c5be804d022100bc80e44d7f12687c26f18d8a1a8c272e11ce2c294f587370508c36eb5df0ea29
 . . . . [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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