klab.com

Issued by Amazon

About this certificate

This digital certificate with serial number 02:69:88:82:35:f8:50:f0:44:3c:65:b4:db:28:2d:42 was issued on by Amazon.

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=klab.com

Amazon

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

This certificate has expire since

Certificate Details

Serial Number (hex): 02:69:88:82:35:f8:50:f0:44:3c:65:b4:db:28:2d:42
Serial Number (int): 3206415885786113473594700882294353218
Serial Number lenght: 122 bits, 16 octets

SubjectKeyId: 32:ba:5a:27:b7:16:80:ca:87:f0:eb:05:10:c3:71:f9:3a:1e:a8:03
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): 6f:d2:89:1d:59:ca:13:ae:3b:3a:80:0f:81:9a:75:fa:e6:b5:94:a9
Fingerprint (sha256): 31:f3:6b:8b:91:06:e9:3e:d5:91:c7:31:57:b5:db:e3:dc:34:d0:72:a2:a8:e5:02:4b:93:47:13:69:80:b9:3b

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-1.crl

Check the revocation status for certificate klab.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for klab.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

klab.com
*.klab.com

Other certificates including the domain name klab.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2AVzWRrp6Mo3LIpc/z/m
QqT7LCVhr2YcepsZRYTueK3jtgxljYTpGo8IJ4As2IxvRnOPzLMNBRXz3qp25F40
VwaVDBX2XDuVsJI/F/ZnnMbzd5GwQA2IqZe8qdeMYysOGi/1PfsMxzUnNHATPJ4D
aCoe64+yqs9/DqwRfdclRzZk6QLdu+4XOPYvoDX45HU9PuFCge7grU7PkbfAx+uQ
5n3BwFMt3WOWtfwgTo/1+suK4l2+11uI0bIkcoY3Yl2tlLlcoQHxk1CVFw20PA2j
vFKyQ0J/FDHAfb2F9SMmzBKPdRaIdsAzSJ6TPRuktGVUlApk1LlceFm3eVUEqLX3
HQIDAQAB
-----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 3206415885786113473594700882294353218
 . . . . . . . . [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 2022-10-05 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-03 23:59:59 +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 'klab.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 27270161653045946999913680774301759238722871753247790992835289590234648621385712919768688440178114903253872445626298724817951579023833516137722340316290583303231258614643859226362627939894988442977512122719080956661760911828972450279968260729149916588929040457580160709686000266969185466785384304949632617440609645416757662462420598229997175473244847240915487881053730092509003555164689197413790799361243774002404917641077513612982030539333208700586183235943794773235000118747776985804733895227545285727481058687423049286195454984809756469854448119906127014564319710495074104743324825104840442526078113640518235059997
 . . . . . . . . . . . . . . . . . . . . [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)
							32ba5a27b71680ca87f0eb0510c371f93a1ea803
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'klab.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.klab.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 (54 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-1.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 (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 1.3.6.1.5.5.7.1.1 (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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (366 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (362 bytes)
							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
 . . . . [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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