knowmebest.com

Issued by Amazon

About this certificate

This digital certificate with serial number 09:ed:7a:1a:e4:71:af:14:00:8c:5e:33:e4:67:58:03 was issued on by Amazon.

With 4 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=knowmebest.com

Amazon

Organization: Amazon
Organization unit: Server CA 1B
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 09:ed:7a:1a:e4:71:af:14:00:8c:5e:33:e4:67:58:03
Serial Number (int): 13196102902140885518752512671150987267
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: 90:60:07:2a:43:98:c3:87:99:9c:bd:ee:41:2c:f4:c6:95:2b:05:3f
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): f0:1e:48:29:2b:fe:fe:df:eb:09:a5:70:9e:5f:8a:3d:4b:13:8a:da
Fingerprint (sha256): 5c:74:d6:7b:71:4e:d1:68:98:f9:87:bd:3a:0e:ee:8c:56:17:3a:20:64:08:40:e2:17:c6:37:56:98:69:93:49

Issuing Certificate URL: http://crt.sca1b.amazontrust.com/sca1b.crt

Revocation information

OCSP Server: http://ocsp.sca1b.amazontrust.com
CRL Distribution Point: http://crl.sca1b.amazontrust.com/sca1b.crl

Check the revocation status for certificate knowmebest.com

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for knowmebest.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

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

knowmebest.com
www.knowmebest.com
dev.knowmebest.com
staging.knowmebest.com

Other certificates including the domain name knowmebest.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs6ieqzkZCIvyJ+wl0f47
6TMqUU9QNub+T3btx4Epuk1yyihy/iuCk3dS5RcV1n9LaO/S4doIoI1B2zOt1vV8
PuZHmkYA1a0ONxO+3bYGhLavNZxu2IKTQPGe/ZHJv26BN7PWnZfC75XxRSJ/zwtw
97zML9qarPKSJeG19C6N2ED4GKjMCZHhcWKnItPfSoo9rbaDSJY2lDwGntanFIq4
ortlu2VzirzVjtSwuRXEd6lbBjaJaP1gn6I0GAss5nFpDk/KLAUaGbvs5LtBPb9m
gTKv9eHYwHU0SR0LFF4IZZqBubE2Yi4Q6giyP3gMjm0RniYMtk+GmpNlsVb9LHkG
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 13196102902140885518752512671150987267
 . . . . . . . . [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 'Amazon'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Server CA 1B'
 . . . . . . . . . . . . [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 'Amazon'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-30 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-30 12:00:00 +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 'knowmebest.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 22679806111406669697502021831172874105090075628391267194373463885904777206958253688624927780212931525358275598972388519054887326344606977315715269416244683065704720097587272319190318137816687581795145189490528032924635242002256911667031533926134591873029230151157972914646338944916837012007251958762981706429418222984201588843659680341834570352734113539697773838781053285497351720289074397350739076610013912537406036064779373130783761680091166859225855225182402892858370782488420531223715608686972424508158190674981223654038675444421333777821173276097145258650778841793014092334263378786300716042389273570719139694227
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 59a4660652a07b95923ca394072796745bf93dd0
 . . . . . . . . . . . . . . . . [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)
							9060072a4398c387999cbdee412cf4c6952b053f
 . . . . . . . . . . . . . . . . [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 (82 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'knowmebest.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.knowmebest.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev.knowmebest.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'staging.knowmebest.com'
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.sca1b.amazontrust.com/sca1b.crl'
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.114412.1.2 (digiCertDVCert)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (105 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.sca1b.amazontrust.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://crt.sca1b.amazontrust.com/sca1b.crt'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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