smartcitiesweek.com

Issued by E1

About this certificate

This digital certificate with serial number 04:6a:ae:7e:93:b2:da:ae:0c:83:ee:b2:40:a0:de:b4:ba:5c was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=smartcitiesweek.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:6a:ae:7e:93:b2:da:ae:0c:83:ee:b2:40:a0:de:b4:ba:5c
Serial Number (int): 384751017517015717272450155400357754485340
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6a:56:88:ce:5a:47:76:12:9a:95:94:2a:fd:a0:77:28:e6:19:c8:a7
AuthorityKeyId: 5a:f3:ed:2b:fc:36:c2:37:79:b9:52:30:ea:54:6f:cf:55:cb:2e:ac

Fingerprint (sha1): 8d:a6:db:38:0e:c7:20:24:c1:fa:89:00:49:3e:c6:72:b0:82:9c:bc
Fingerprint (sha256): 57:9a:cb:14:8f:3a:88:ae:06:5f:ab:da:35:87:66:fe:d0:6e:fd:f7:47:7a:00:a7:04:a4:ee:45:7a:b8:8e:c0

Issuing Certificate URL: http://e1.i.lencr.org/

Revocation information

OCSP Server: http://e1.o.lencr.org

Check the revocation status for certificate smartcitiesweek.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for smartcitiesweek.com

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

ECDSA with SHA384

Key Usage

Digital Signature

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

*.smartcitiesweek.com
smartcitiesweek.com

Other certificates including the domain name smartcitiesweek.com

(limited to 100 certificates)
washington2019.smartcitiesweek.com
smartcitiesweek.com
insights.smartcitiesweek.com
smartcitiesweek.com
insights.smartcitiesweek.com
dev104.mci.smith-and-williams.com
washington2019.smartcitiesweek.com
smartcitiesweek.com
australia2019.smartcitiesweek.com
insights.smartcitiesweek.com
smartcitiesweek.com
smartcitiesweek.com
australia2019.smartcitiesweek.com
washington2020.smartcitiesweek.com
smartcitiesweek.com
sandiego2019.smartcitiesweek.com
insights.smartcitiesweek.com
insights.smartcitiesweek.com
dev104.mci.smith-and-williams.com
dev104.mci.smith-and-williams.com
washington2020.smartcitiesweek.com
australia2019.smartcitiesweek.com
dev103.mci.smith-and-williams.com
dev103.mci.smith-and-williams.com
sandiego2019.smartcitiesweek.com
www.smartcitiesweek.com
www.smartcitiesweek.com
australia2019.smartcitiesweek.com
dev103.mci.smith-and-williams.com
smartcitiesweek.com
smartcitiesweek.com
smartcitiesweek.com
smartcitiesweek.com
smartcitiesweek.com
washington2019.smartcitiesweek.com
partners.smartcitiesweek.com
sandiego2020.smartcitiesweek.com
smartcitiesweek.com
dev104.mci.smith-and-williams.com
australia2019.smartcitiesweek.com
dev103.mci.smith-and-williams.com
australia2019.smartcitiesweek.com
australia2019.smartcitiesweek.com
partners.smartcitiesweek.com
smartcitiesweek.com
smartcitiesweek.com
insights.smartcitiesweek.com
*.smartcitiesweek.com
dev103.mci.smith-and-williams.com
washington2019.smartcitiesweek.com
smartcitiesweek.com
washington2019.smartcitiesweek.com
dev103.mci.smith-and-williams.com
washington2019.smartcitiesweek.com
sandiego2020.smartcitiesweek.com
washington2019.smartcitiesweek.com
sandiego2019.smartcitiesweek.com
smartcitiesweek.com
smartcitiesweek.com
australia2019.smartcitiesweek.com
smartcitiesweek.com
smartcitiesweek.com
dev104.mci.smith-and-williams.com
*.smartcitiesweek.com
partners.smartcitiesweek.com
washington2019.smartcitiesweek.com
washington2019.smartcitiesweek.com
australia2019.smartcitiesweek.com
washington2019.smartcitiesweek.com
sandiego2019.smartcitiesweek.com
partners.smartcitiesweek.com

Certificate

The complete raw certificate details for smartcitiesweek.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEZbQIPOSXAEQbu+T2ni35UPG1T0s9
zrs+fLlLJ2NTAZaGfX1uBH3ngl3EoMp6Qi8gkYZwDvXQajudMu1K1tT8WA==
-----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 384751017517015717272450155400357754485340
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . . . . . [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 'E1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-14 15:03:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-12 15:03:48 +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 'smartcitiesweek.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				000465b4083ce49700441bbbe4f69e2df950f1b54f4b3dcebb3e7cb94b2763530196867d7d6e047de7825dc4a0ca7a422f209186700ef5d06a3b9d32ed4ad6d4fc58
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							6a5688ce5a4776129a95942afda07728e619c8a7
 . . . . . . . . . . . . . . . . [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 5af3ed2bfc36c23779b95230ea546fcf55cb2eac
 . . . . . . . . . . . . . . . . [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 (73 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://e1.o.lencr.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://e1.i.lencr.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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.smartcitiesweek.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smartcitiesweek.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e3db49a6c00000403004730450220266d51ae3ca1cc828c9c4f2527f9f5cbd9baef4da3d4e65e64d97551ee2275e2022100b6c5842180a3019cbc55eaad2cb5ee8c3e2a88f3f5536c707863669214654fc80076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e3db49a730000040300473045022100af2441927b517fc6868b366d98ca8a5192f1dfbc9c216119247009e5fbce3d0302202934271860e9eb7d399c230ea8a7f2fe95270bea45b9d0d3c79a071b6ff9425b
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . [c:0|t:3|false] BIT STRING (832 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25539372158696893410780939447264493982139573355352900614951675795678762983997200006085041435833161169102500013617831
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28475733123408168187607705742203416593433995056402389486837351148312505165823260669324115729265671896203791309615704