www.citybroadband.my

Issued by R3

About this certificate

This digital certificate with serial number 03:5d:0e:a6:34:42:e8:88:ce:b3:11:fe:40:4f:0b:1c:76:c6 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:
  • 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=www.citybroadband.my

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5d:0e:a6:34:42:e8:88:ce:b3:11:fe:40:4f:0b:1c:76:c6
Serial Number (int): 293002590092133846673701613536721768314566
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: df:1c:b7:3e:3a:f7:b4:5c:b3:43:7f:51:0b:b7:ef:39:78:a1:6c:ce
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 74:7a:2e:5b:55:e7:d6:2c:fd:a5:1f:df:03:68:d7:4f:f1:97:e3:33
Fingerprint (sha256): f4:25:bc:db:43:69:7b:42:82:0f:53:46:cc:cc:45:bb:27:ae:b9:3f:b4:5a:80:5a:0b:d5:a8:d9:dd:b4:6c:ef

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.citybroadband.my

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.citybroadband.my

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

citybroadband.my
www.citybroadband.my

Other certificates including the domain name citybroadband.my

(limited to 100 certificates)
citybroadband.my
portal.citybroadband.my
citybroadband.my
citybroadband.my
portal.citybroadband.my
citybroadband.my
citybroadband.my
citybroadband.my
www.citybroadband.my
citybroadband.my
citybroadband.my
citybroadband.my
citybroadband.my
citybroadband.my
citybroadband.my
citybroadband.my
db.citybroadband.my
citybroadband.my
www.citybroadband.my
citybroadband.my
citybroadband.my
citybroadband.my
citybroadband.my
citybroadband.my
citybroadband.my
citybroadband.my
www.citybroadband.my
citybroadband.my
citybroadband.my

Certificate

The complete raw certificate details for www.citybroadband.my in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFBzCCA++gAwIBAgISA10OpjRC6IjOsxH+QE8LHHbGMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzExMjYxNTE4MDRaFw0yNDAyMjQxNTE4MDNaMB8xHTAbBgNVBAMT
FHd3dy5jaXR5YnJvYWRiYW5kLm15MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
CgKCAQEAxAc+t8yN7kWgXoMXT01XSAd6lfjt4/1bjK8y25pddJxTbPCkDzHWxess
ht4XWTJEZ4DflD5TP75X4kytKLuq7/afLHkxifTdUTd2iBb4aLW243lSyRBGIjFf
RRVpHXe9dC8iSjMt7IUAx8zUjVzTlvj8qxCD66sYsdU1eX3A3t3pJtdGSqAXK6As
zj/2FYim9ZK+1u3J8RiWVMAoIkGqH65X53FlLjAqCrYDO23nag4AbKt0rkFEXm2o
gEXlT3f9u0r3uy72VxBjb5OvYgoceJNIil2HaoMSlifD+vDNFeUx/bJnmaG22X/v
go1jmRSpNyUCvgJTLeDIswhTedTivwIDAQABo4ICKDCCAiQwDgYDVR0PAQH/BAQD
AgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAA
MB0GA1UdDgQWBBTfHLc+Ove0XLNDf1ELt+85eKFszjAfBgNVHSMEGDAWgBQULrMX
t1hWy65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0
dHA6Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVu
Y3Iub3JnLzAxBgNVHREEKjAoghBjaXR5YnJvYWRiYW5kLm15ghR3d3cuY2l0eWJy
b2FkYmFuZC5teTATBgNVHSAEDDAKMAgGBmeBDAECATCCAQQGCisGAQQB1nkCBAIE
gfUEgfIA8AB2AEiw42vapkc0D+VqAvqdMOscUgHLVt0sgdm7v6s52IRzAAABjAxs
d2EAAAQDAEcwRQIhAMBMCh2eQJta7K6T2io5YJsxGUPPcV1XYNh0M8ao20u9AiAj
wf2Zpt7++c7B9knUYH14SWIj32UA44QdQJVSIKvtUwB2AO7N0GTV2xrOxVy3nbTN
E6Iyh0Z8vOzew1FIWUZxH7WbAAABjAxsd2UAAAQDAEcwRQIgWrvK3TZdbZ/xz0/d
pfC1ePMOd9pDr0NKfEuyZE6OJvECIQD4tC/XU0VcfHyqZSBTrfAqHxhtN0ixhUcl
0sNrkoPk5DANBgkqhkiG9w0BAQsFAAOCAQEAa4KZRiPd7yOW2/P04YUdmh0e5+14
6DfafA/nq5u9VnvMcjO0lqV43OU86ZlEFbzf0lM7KIl27R9LYkwtYNxFIo3cc2p2
frQFjBq8jcjonwA8kqnYJrwsSU4+AZXqggc9VULGwlnZe11yVznfVxaMDiG7bXrW
3cbjlYAoevvKiEKGgzgUt2iikOKrMnpGQCulywFojmsCSDEtS7LkoiGwSEzi22Rx
oi67LiEjVjNG/G3fqGD7DVZ/icxIad1sIh/h0ya2S1qfDoMJALAnYUjhIccfY/8S
ui7lsPOXS/wV4fgiLjGRn5yZirkljLGaNfO4vpTxbS920NvE+mDJQlYhtA==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxAc+t8yN7kWgXoMXT01X
SAd6lfjt4/1bjK8y25pddJxTbPCkDzHWxessht4XWTJEZ4DflD5TP75X4kytKLuq
7/afLHkxifTdUTd2iBb4aLW243lSyRBGIjFfRRVpHXe9dC8iSjMt7IUAx8zUjVzT
lvj8qxCD66sYsdU1eX3A3t3pJtdGSqAXK6Aszj/2FYim9ZK+1u3J8RiWVMAoIkGq
H65X53FlLjAqCrYDO23nag4AbKt0rkFEXm2ogEXlT3f9u0r3uy72VxBjb5OvYgoc
eJNIil2HaoMSlifD+vDNFeUx/bJnmaG22X/vgo1jmRSpNyUCvgJTLeDIswhTedTi
vwIDAQAB
-----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 293002590092133846673701613536721768314566
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-26 15:18:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-24 15:18:03 +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 'www.citybroadband.my'
 . . . . . . . . [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 24746280412081804518006534058206730927689823061239901893427067731751306190279823629577892745656097533233372994093255314192587909021260667602462895668129307350711180510277235709212185699030858748248539420004786033510345957262988378294105000129635522739786272244854307230187747191860204780163942794751427784193137888856238550442042046781451856058948850989454932411021807837159700631297379031183091747684234711035873601042871300896545479818802959656899971943966082865257569136382686296776410075406259021765387459268268534687733022592531274195785260549914879351006795533044107207714728217567632198500509370518598688498367
 . . . . . . . . . . . . . . . . . . . . [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)
							df1cb73e3af7b45cb3437f510bb7ef3978a16cce
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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://r3.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://r3.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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'citybroadband.my'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.citybroadband.my'
 . . . . . . . . . . . . . . . . [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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c0c6c77610000040300473045022100c04c0a1d9e409b5aecae93da2a39609b311943cf715d5760d87433c6a8db4bbd022023c1fd99a6defef9cec1f649d4607d78496223df6500e3841d40955220abed53007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c0c6c7765000004030047304502205abbcadd365d6d9ff1cf4fdda5f0b578f30e77da43af434a7c4bb2644e8e26f1022100f8b42fd753455c7c7caa652053adf02a1f186d3748b1854725d2c36b9283e4e4
 . . . . [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)
		006b82994623ddef2396dbf3f4e1851d9a1d1ee7ed78e837da7c0fe7ab9bbd567bcc7233b496a578dce53ce9994415bcdfd2533b288976ed1f4b624c2d60dc45228ddc736a767eb4058c1abc8dc8e89f003c92a9d826bc2c494e3e0195ea82073d5542c6c259d97b5d725739df57168c0e21bb6d7ad6ddc6e39580287afbca884286833814b768a290e2ab327a46402ba5cb01688e6b0248312d4bb2e4a221b0484ce2db6471a22ebb2e2123563346fc6ddfa860fb0d567f89cc4869dd6c221fe1d326b64b5a9f0e830900b0276148e121c71f63ff12ba2ee5b0f3974bfc15e1f8222e31919f9c998ab9258cb19a35f3b8be94f16d2f76d0dbc4fa60c9425621b4