www.citybroadband.my

Issued by R3

About this certificate

This digital certificate with serial number 04:7c:8b:84:f6:38:82:89:b8:63:25:6f:18:a8:ad:fd:e4:b6 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): 04:7c:8b:84:f6:38:82:89:b8:63:25:6f:18:a8:ad:fd:e4:b6
Serial Number (int): 390829610293786725103502791711084301378742
Serial Number lenght: 139 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): 3e:34:43:fc:db:95:a1:2d:19:24:f6:c9:50:cb:35:22:61:00:e4:68
Fingerprint (sha256): 64:8d:55:59:b3:18:8f:fc:2d:b3:ac:92:93:e8:7c:5e:3f:4a:65:18:f8:4c:67:e6:8f:e8:c6:04:22:6f:69:da

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-----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-----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 390829610293786725103502791711084301378742
 . . . . . . . . [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 2024-01-25 15:17:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-24 15:17:29 +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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d416982b40000040300473045022100909cebfa973a3c759f7c98f195ca150db0f70123986cf90bdcd81fa7cbfe389c022054fd4256039f029f0f9c4d27088ad22f3fe828f07350062dd48d3d6c1b9f0292007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d416982cc0000040300483046022100f00c22c01d3148a3df080eb67d19761cc4a1d2f262b4a2c5512cea94dd749f420221008e701e768549830fca7beddee48db877268d96a4394b5bcfde7811af82ea8c0f
 . . . . [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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