smartcitiesweek.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:7a:e5:fa:2f:25:ab:dd:b1:ae:d6:ad:a7:e4:84:9b:39:d3 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:e5:fa:2f:25:ab:dd:b1:ae:d6:ad:a7:e4:84:9b:39:d3Serial Number (int): 303156998801142495257231450453089367833043
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 0a:1b:dd:6b:6c:ce:43:af:a6:e2:5e:5d:14:47:a3:43:e2:e0:41:a8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 17:1a:b0:d6:84:a0:74:e5:d9:65:9f:73:e4:94:8f:72:1d:8c:9e:06
Fingerprint (sha256): a5:9e:fc:b3:1a:15:64:01:70:9b:83:8e:63:97:22:47:c6:e5:02:63:97:ca:77:f9:ed:7c:34:34:ed:c3:b1:9b
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
www.smartcitiesweek.com
www.smartcitiesweek.com
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australia2019.smartcitiesweek.com
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australia2019.smartcitiesweek.com
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insights.smartcitiesweek.com
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dev103.mci.smith-and-williams.com
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washington2019.smartcitiesweek.com
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australia2019.smartcitiesweek.com
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australia2019.smartcitiesweek.com
washington2020.smartcitiesweek.com
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sandiego2019.smartcitiesweek.com
insights.smartcitiesweek.com
insights.smartcitiesweek.com
dev104.mci.smith-and-williams.com
dev104.mci.smith-and-williams.com
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australia2019.smartcitiesweek.com
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washington2019.smartcitiesweek.com
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australia2019.smartcitiesweek.com
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partners.smartcitiesweek.com
Certificate
The complete raw certificate details for smartcitiesweek.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFeDCCBGCgAwIBAgISA3rl+i8lq92xrtatp+SEmznTMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMDgxMzM4MzZaFw0y MDAxMDYxMzM4MzZaMB4xHDAaBgNVBAMTE3NtYXJ0Y2l0aWVzd2Vlay5jb20wggEi MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCnX8bI3WtykpkE5rE8H1A4rODd fki/Ho2YbE+3QJzebqx9g7B/nTI2C48FzS4XnemMGlWTZCbv1RrY3RNLNzBqmW4n FN1S5w+Xy3Js4glxejguWMwNKW92/Dq+DcVziRjYVpc6RB8BJ6V7l/nlojPRB6OV mOTgJK5huoP/0FU8rz/qbMCHZPDgt4DCg8ecBuOyLwdbXeiB12780EvC32GgHWSO FEif4cIOzf7quChqcfhJyDIGSFZkJad5M6EyLYO1SyC+f95lnulzqqqEo5KjoIMq H6XZelOLImoPlCAaKlMcYSNod28ex+jFzcdqyOlS+qM/Hw0H2zDXCVtNRMbhAgMB AAGjggKCMIICfjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEG CCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFAob3WtszkOvpuJeXRRH o0Pi4EGoMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUF BwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNy eXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNy eXB0Lm9yZy8wNwYDVR0RBDAwLoITc21hcnRjaXRpZXN3ZWVrLmNvbYIXd3d3LnNt YXJ0Y2l0aWVzd2Vlay5jb20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC 3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcw ggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdwCyHgXMi6LNiiBOh2b5K7mKJSBna9r6 cOeySVMt74uQXgAAAW2rzsEGAAAEAwBIMEYCIQCnz55GLx6golBz0p6p9ULRRW2D yCLw3kI7k+zHplpmgAIhAOlqundlYKwGKVByYwOwk5IgutrizV83RSNR9iaODEx5 AHYA8JWkWfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFtq87C1AAABAMA RzBFAiAG3hWvz5kA+0DqJNtAZzg2JVSTxF0+MqDXSstzTs02CwIhAKDzKeGBb2aI Rt9N6FG88GkjMJ+s3jYFyrTaw3ueI/TvMA0GCSqGSIb3DQEBCwUAA4IBAQCYQPuE 8gkK0RnpW+Uc4pA2MojZcg2rkTCE/AGBHOdyMapXRGaQsiykq0PgAKDgi7X99MT/ XQRhVYQm4bpE9hYJxJSVnNjaWuZpIEWwD6jxBIrIAyb3FPTprIrSXvcWCSpd7ceZ 4PCpDDn/nbksXJvORxTbi43XxVmVldycvXU0476VyV8y13pLx6lxeAbxP3E9gkoE FaUseVRFBBaB3QQQOC1fdBECjvkT8UqwjNWKl29ksUOj8YNCORynZLDnp2Ucot8e boY+2wmn1at6pEhJPjB16yTJobbSbJeEuaUFf7OXmzaDT5EFggPj6MVAXP2r3CGQ iwWjJ2GVnr1LTNGn -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp1/GyN1rcpKZBOaxPB9Q OKzg3X5Ivx6NmGxPt0Cc3m6sfYOwf50yNguPBc0uF53pjBpVk2Qm79Ua2N0TSzcw apluJxTdUucPl8tybOIJcXo4LljMDSlvdvw6vg3Fc4kY2FaXOkQfASele5f55aIz 0QejlZjk4CSuYbqD/9BVPK8/6mzAh2Tw4LeAwoPHnAbjsi8HW13ogddu/NBLwt9h oB1kjhRIn+HCDs3+6rgoanH4ScgyBkhWZCWneTOhMi2DtUsgvn/eZZ7pc6qqhKOS o6CDKh+l2XpTiyJqD5QgGipTHGEjaHdvHsfoxc3HasjpUvqjPx8NB9sw1wlbTUTG 4QIDAQAB -----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 303156998801142495257231450453089367833043 . . . . . . . . [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 2019-10-08 13:38:36 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-06 13:38:36 +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 1.2.840.113549.1.1.1 (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 21129026082947236507776271788910691459599423194467167674966055216969920583846460421779873933870199113997955992842356327251378602988747524747041467666574561022155810362490277200868943930047471269563558079690115660212187449527111434761572567559642298785491937851002911482558452914880775594464510976908485423087041772601218277330583428369880526597445929325686244663977742240328617231816423553509234212397439126535708895190187997054505947574363260857662126106653227803430866189010282199948065943428839127514767753320665110244199254159159404136042602509444595207954530717437720922877256491492665963361483735460455576291041 . . . . . . . . . . . . . . . . . . . . [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) 0a1bdd6b6cce43afa6e25e5d1447a343e2e041a8 . . . . . . . . . . . . . . . . [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 (48 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smartcitiesweek.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dabcec1060000040300483046022100a7cf9e462f1ea0a25073d29ea9f542d1456d83c822f0de423b93ecc7a65a6680022100e96aba776560ac062950726303b0939220badae2cd5f37452351f6268e0c4c79007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dabcec2d40000040300473045022006de15afcf9900fb40ea24db40673836255493c45d3e32a0d74acb734ecd360b022100a0f329e1816f668846df4de851bcf06923309facde3605cab4dac37b9e23f4ef . . . . [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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