www.klgco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:9d:d2:e7:0c:24:43:26:07:ce:0a:cd:cc:76:0c:d8:ef:28 was issued on by Let's Encrypt.
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=www.klgco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:9d:d2:e7:0c:24:43:26:07:ce:0a:cd:cc:76:0c:d8:ef:28Serial Number (int): 315041526947819143148143611780333997453096
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: cd:24:a2:90:11:fe:63:52:c0:7a:36:cc:af:9c:7d:ef:f4:de:0a:8c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 39:9d:c3:11:80:5a:0e:42:a7:41:57:6c:43:57:a2:a3:15:a3:eb:df
Fingerprint (sha256): fd:89:41:c7:29:1a:42:10:ce:06:d0:a0:60:47:d6:5c:f3:5b:97:6d:dc:b6:fb:5c:44:31:76:73:07:dd:ac:86
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.klgco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.klgco.com
Public Key Algorithm
RSA
Key Size
4096
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
www.klgco.com
Other certificates including the domain name klgco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.klgco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUzCCBTugAwIBAgISA53S5wwkQyYHzgrNzHYM2O8oMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIwMzM5MzdaFw0y MDAxMTAwMzM5MzdaMBgxFjAUBgNVBAMTDXd3dy5rbGdjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQC/9k3OupQuzUNR8SdWarqXX/bsZMeQiL+W khjXF2EKnCrBfSC9q9M4ddBRktR1KS4kHuS2l9nn6OhxqhBsPQFaASK7+VOYmshG RA9kqyxBY9YRjr4qbkD264A0dsn9m7/NGmM9inMDBvD2yZwwRHybv9FVykloDXkF KYnZ03lDj+BtKU+8h4gow0fq8K6UK07JsF5i8gHE5FGQIAWIjxtbBxYrw+/hH3LY XvocqdNk+obEvgbFrUV2aXWWD52O4MnOQYBf4O+GWjcx6rqinxKuQcoS7jl3aHGJ dTZ1Y5okwbJ+GQiwp9tuaImHmwDFxKQyddyWHUiQPpEAC3GsuvCup2m4IJgqFpQa wXn0BcogX1tdxOVfv4KmLBlAPLLeSAyOFjMXi71gkASAHNKWXd5eorfs0S9jqTsC SL16fePFGV62BeBQh7wDr3Su9fsOR4LGg9SUbVrKvjGTUwxcIp88GmxuqorUJKIk 6ZE41dlXHzdLBUXmEklGllDhi/oehoR1dlJBHXZV20oVgSlMAcK0N1pUPYsgNK60 GfONzCbyV71HOkfDGPDFtH5YvURjFuNvOyZpDI9KbQ/rNpXQeVm0WLMRDqaeHSUo ceMrlimrawce5kH/JQDjlpA+I+Fn0xEQuCZvUoVwiQTD9bMpqiEfmmP+fcXnL72r VXKEHOeuvwIDAQABo4ICYzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTNJKKQ Ef5jUsB6NsyvnH3v9N4KjDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5rbGdjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHz APEAdgApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAW2+Q82NAAAE AwBHMEUCIQCrEIhx57LvrkhcMfIeNUWuTXVWTGS8x4k2EtyQRXBKxQIgGmqoE/hQ HyaoMB0EeXYNCT8pyl7uUiD3IjNCokc2MjAAdwBvU3asMfAxGdiZAKRRFf93FRwR 2QLBACkGjbIImjfZEwAAAW2+Q86fAAAEAwBIMEYCIQCJDwCcfYr6ex0U5ldICm9B rL94iRyQE2HOE/IzXkGN1gIhALpcTJ2CasrJ3xVmcPhmGgqo/2mhgEBLfvVsTb2j 0CGVMA0GCSqGSIb3DQEBCwUAA4IBAQAUtojOm1PgSU95QLpsqbW4jNTW3FcDk/Ql oyK+rzw/7dp6TGtf3Ahy7mJ7aRBhFG89AUXwuB4deSRZ22nzSsraalECb1Slqfz1 cvYDJs5YXj+PV3hypLk+gNhFecdkaR+HKA5xwi0JweSGN4oCiHAqby82Kn5WDP62 ajfrwRvUBMuaqxBGA5YZ7CBYLkDINUM5QkSBVbPZb+mBTMRL7es3TUmOzgXGQQXK NxlaBCQ8yhiZa5RMmNB3WF0Ff2QS12jc/v1CFwACpUo2Kbz9oJAmoaoTQN+y7+49 KcqIyhJBMT+4bByPkDXuAQtU5GiQYhe3b+b6C35y9KYwWieyOnSB -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAv/ZNzrqULs1DUfEnVmq6 l1/27GTHkIi/lpIY1xdhCpwqwX0gvavTOHXQUZLUdSkuJB7ktpfZ5+jocaoQbD0B WgEiu/lTmJrIRkQPZKssQWPWEY6+Km5A9uuANHbJ/Zu/zRpjPYpzAwbw9smcMER8 m7/RVcpJaA15BSmJ2dN5Q4/gbSlPvIeIKMNH6vCulCtOybBeYvIBxORRkCAFiI8b WwcWK8Pv4R9y2F76HKnTZPqGxL4Gxa1Fdml1lg+djuDJzkGAX+Dvhlo3Meq6op8S rkHKEu45d2hxiXU2dWOaJMGyfhkIsKfbbmiJh5sAxcSkMnXclh1IkD6RAAtxrLrw rqdpuCCYKhaUGsF59AXKIF9bXcTlX7+CpiwZQDyy3kgMjhYzF4u9YJAEgBzSll3e XqK37NEvY6k7Aki9en3jxRletgXgUIe8A690rvX7DkeCxoPUlG1ayr4xk1MMXCKf PBpsbqqK1CSiJOmRONXZVx83SwVF5hJJRpZQ4Yv6HoaEdXZSQR12VdtKFYEpTAHC tDdaVD2LIDSutBnzjcwm8le9RzpHwxjwxbR+WL1EYxbjbzsmaQyPSm0P6zaV0HlZ tFizEQ6mnh0lKHHjK5Ypq2sHHuZB/yUA45aQPiPhZ9MRELgmb1KFcIkEw/WzKaoh H5pj/n3F5y+9q1VyhBznrr8CAwEAAQ== -----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 315041526947819143148143611780333997453096 . . . . . . . . [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 2019-10-12 03:39:37 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:39:37 +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.klgco.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 783137143515801645869425667169622778613290282733094984072375708910228008004034260325939649605589976850970423281343836400488577777981627163237890041884670635865702114736995616241550373386528563099613878062281423499611743909371612213587189395064273126879027658656821737041762520921127404930058873848351953154255886666150453564689709934403940823897144468184060127122520836086384430492229068203625759311320047177172859471198141844588957671502332152978118245699297961297407717284556763983367525710899936990805001679461392753234835477724003045344448844484282785853110354280855722426353169753872730839363014533790520205578164012788283351608562922461751255253819332296956590406761271231312212789040144867042947991766881927991094614125816661297664869758024085462422951978308920246763275996665665206548838129386324639311528606192442372039974004035889411359249499133857211268509979675002068059069444090378445705564161960532510666716864523567354620061975328930164968915982678270670093561257713655817420288940201549050689384475344796216605883964181053317747274828781505823535323612410048787537574950394897742019474845231208812479634427962348119636853202358821296129263026329463804435557304967732627685676209385432791698326505073950589434485780159 . . . . . . . . . . . . . . . . . . . . [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) cd24a29011fe6352c07a36ccaf9c7deff4de0a8c . . . . . . . . . . . . . . . . [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 (17 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.klgco.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) 00f1007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbe43cd8d0000040300473045022100ab108871e7b2efae485c31f21e3545ae4d75564c64bcc7893612dc9045704ac502201a6aa813f8501f26a8301d0479760d093f29ca5eee5220f7223342a2473632300077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dbe43ce9f0000040300483046022100890f009c7d8afa7b1d14e657480a6f41acbf78891c901361ce13f2335e418dd6022100ba5c4c9d826acac9df156670f8661a0aa8ff69a180404b7ef56c4dbda3d02195 . . . . [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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