*.smartcitiesweek.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:7a:1c:6c:5d:3e:1a:11:05:08:2e:c5:66:32:89:16:a9:7b was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=*.smartcitiesweek.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:7a:1c:6c:5d:3e:1a:11:05:08:2e:c5:66:32:89:16:a9:7bSerial Number (int): 302889087602762238289475391863143315974523
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 1c:2d:3b:cf:7b:a6:4b:ef:21:a2:79:e2:71:0e:02:7d:d2:2b:da:29
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 93:74:19:ac:a1:51:8b:1b:b9:cf:27:4c:ea:4f:7d:ca:11:c1:92:5f
Fingerprint (sha256): ea:3d:46:d0:06:5b:4b:bb:62:37:0b:17:4e:bc:b6:0c:5e:c5:78:2a:72:5f:bc:21:26:03:52:e0:26:13:cd:66
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
RSA
Key Size
2048
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
*.smartcitiesweek.com
smartcitiesweek.com
smartcitiesweek.com
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washington2020.smartcitiesweek.com
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sandiego2019.smartcitiesweek.com
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insights.smartcitiesweek.com
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australia2019.smartcitiesweek.com
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australia2019.smartcitiesweek.com
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partners.smartcitiesweek.com
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partners.smartcitiesweek.com
washington2019.smartcitiesweek.com
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Certificate
The complete raw certificate details for *.smartcitiesweek.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFdzCCBF+gAwIBAgISA3ocbF0+GhEFCC7FZjKJFql7MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMDgwMDM1MjNaFw0y MDA2MDYwMDM1MjNaMCAxHjAcBgNVBAMMFSouc21hcnRjaXRpZXN3ZWVrLmNvbTCC ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANZCEdVtVwQHc+ALRRiyUY4M ZjSE15eXJGojkrfUVpSXaNQUdYO/0/CxGqWxu78tZ9yvqZ9Kb1gJnzuMqQrPsd64 +XkVCBxHA12x3n0a/Uv8tqPcP//450dA44GWqaNkI9Pc7Czwory/ADrzD5m7dc2S A/O3jLMNAYtslnAyHEbW7OiT5iQu7VhkgmSxdsw/dRerZ0g0e6YA5U2tYJ2XDi6D wL9bF7GEFL8WEuWT1ZJvIHPp8MkEgmRKU/qstRFeVkkCx+w0ewhFXm4vwBHjOCe0 d/O8wSV3V4nrU/LcMAvpAXzW0fKnvyRK566qUA8jArpkjGtuguvuEkLuHEFa2JMC AwEAAaOCAn8wggJ7MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcD AQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUHC07z3umS+8honni cQ4CfdIr2ikwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYB BQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2Vu Y3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2Vu Y3J5cHQub3JnLzA1BgNVHREELjAsghUqLnNtYXJ0Y2l0aWVzd2Vlay5jb22CE3Nt YXJ0Y2l0aWVzd2Vlay5jb20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC 3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcw ggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgDnEvKwN34aYvuOyQxhhPHqezfLVh0R Jlvz4PNL8kFUbgAAAXC3yFDEAAAEAwBHMEUCIE7uhC2iNc+Sq/EUFT564zf3aIGm Hh+pLYUqSsdj253AAiEAubJPWB1IGpMa1gAYAsEU5nTo+A7ORbkaTY7dEaDsi1EA dgAHt1wb5X1o//Gwxh0jFce65ld8V5S3au68YToaadOiHAAAAXC3yFDvAAAEAwBH MEUCIQD9z9JdKAs2vP9Agv9vZOj8Qif4mKbdDNGDnRPWeCSqhQIgYNjgPp3/z9/D 8VshzbCkHHnRG+LPao/V8Lv4s8voIQcwDQYJKoZIhvcNAQELBQADggEBAAjMLQNv 9Od9QYRq5WuAyCQi2pswFTWL3PcS1y5w4RQGSQID/nQvdD5DKumtZ6tucYjPYx6x ubUTtTFjqCOq23UlobwCMq/EFQk64BbQiGXajN4XvPp+78R4yOWVkPCCPvd1YrPA E8WwVuCL1rZW9gIRIwv45HH7Jr7aH7wkn6Wea6e/TQsKw5fg7KGn/dCaTbxfeCjO guWLHtBeQzxTXG8omXTS2OfoJ8hZ71xpiQ2Cob3UMKRvjw7aiaMYjTnJ7ulr6yQS bOuyXpusEHDymMBVrrnvBMYIptEMo55Sx1xtG+h7PZBqnCwGgUBzqxviY/Q9y1A4 zFkqAR+60/p5zi0= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1kIR1W1XBAdz4AtFGLJR jgxmNITXl5ckaiOSt9RWlJdo1BR1g7/T8LEapbG7vy1n3K+pn0pvWAmfO4ypCs+x 3rj5eRUIHEcDXbHefRr9S/y2o9w///jnR0DjgZapo2Qj09zsLPCivL8AOvMPmbt1 zZID87eMsw0Bi2yWcDIcRtbs6JPmJC7tWGSCZLF2zD91F6tnSDR7pgDlTa1gnZcO LoPAv1sXsYQUvxYS5ZPVkm8gc+nwyQSCZEpT+qy1EV5WSQLH7DR7CEVebi/AEeM4 J7R387zBJXdXietT8twwC+kBfNbR8qe/JErnrqpQDyMCumSMa26C6+4SQu4cQVrY kwIDAQAB -----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 302889087602762238289475391863143315974523 . . . . . . . . [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 2020-03-08 00:35:23 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-06 00:35:23 +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:12|false] UTF8String '*.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 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27047577427786608157950698243879863536934657586955540918163944742986782333771213134683517501186707226594770068601147014695183836907955808908851355348961459020970598444880772932603565160003962583489581122348285167640479723285423076713694960484211716052759359860342026679382009302076578113259781227082147946484679918677924138417731649630951327253140935564585069750401874837312228931687607083981435858071246907173458160633850586057870640215206627580990486952538409720278421156304293905851199965750074429930307290989028573070842833655509188102466265514091809558960713448307726202022111956921126763219851158206941717256339 . . . . . . . . . . . . . . . . . . . . [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) 1c2d3bcf7ba64bef21a279e2710e027dd22bda29 . . . . . . . . . . . . . . . . [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 (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 (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) 00f0007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170b7c850c4000004030047304502204eee842da235cf92abf114153e7ae337f76881a61e1fa92d852a4ac763db9dc0022100b9b24f581d481a931ad6001802c114e674e8f80ece45b91a4d8edd11a0ec8b5100760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170b7c850ef0000040300473045022100fdcfd25d280b36bcff4082ff6f64e8fc4227f898a6dd0cd1839d13d67824aa85022060d8e03e9dffcfdfc3f15b21cdb0a41c79d11be2cf6a8fd5f0bbf8b3cbe82107 . . . . [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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