wtko.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:fb:db:05:3d:d6:32:d6:d0:ed:d6:a3:23:8b:bf:f8:0f:cf 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=wtko.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:fb:db:05:3d:d6:32:d6:d0:ed:d6:a3:23:8b:bf:f8:0f:cfSerial Number (int): 434151145970955276714167202791051687890895
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 76:00:84:fc:c8:5a:ae:fb:24:fd:9b:b8:5c:1e:48:78:14:44:9d:3e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 56:8e:ef:04:67:db:7a:a8:09:42:45:6d:e4:15:97:28:91:fc:6a:7c
Fingerprint (sha256): 83:8b:3c:3c:08:71:e0:70:b8:4e:07:f9:2e:21:d6:8e:c3:56:07:0d:6e:b3:b2:65:56:e7:53:88:2c:1e:ab:d7
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate wtko.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for wtko.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
wtko.com
Other certificates including the domain name wtko.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for wtko.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGRzCCBS+gAwIBAgISBPvbBT3WMtbQ7dajI4u/+A/PMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIyMzM0MzFaFw0y MDAxMTAyMzM0MzFaMBMxETAPBgNVBAMTCHd0a28uY29tMIICIjANBgkqhkiG9w0B AQEFAAOCAg8AMIICCgKCAgEA2ggVVkEBTKwIypnrE+gkZcRBTUhOUMND8fjt/0rL TlTUTinbw0A2ND+trIEIoHrxyNAhct1ofRN9YEO7EgIxzIkI/xaQw4F6qpmhj5B3 P1KseAeCoQt2VdLtzwwn2gsmn4ZWDjmjebOGYgKAhBd/p3y1Ih+MjZ6KFdjzgvYS beNH1kpjiBsFaQP3RgdChFoUwog8jeqsCvOUaYBtSKYTgedWz4b0apc5S7rsnbt+ R/EJym+7m8SOgn3FHUJmKyVNF12/o4AxJU0uzP2ab/GOjhooE3aKOQCOA/+3vuw+ zpKGxYP9SYufV9lLJ/28sC91j41NQfII6oNpiBKDbapTQTXoLfjyPQeztV61ZrRE CIZ/Y01pZVEZ+IW+gpwrAQv0kMJ2PRs2ixRdibLiHKlaO7bVgVaC2F5qSj8W3fsk Xhi2/wpZu4Jk1Z9lz6A6q1WKbmuXENoIWP6Y4Kfll2SW2QwMaVCUN0ffxzm4uQhG EDCC0+1AbyfR26daaY3uAKarUhXWpvs/CrU6f5nh8DtbMHwTJD2Cg+GzwAWvghqx FPzpwAOULf76TkJTs1spLh71j1QFLjlQd8RDv//j+GXBZGahUSaTzdj8uE1Pmq+b Mfm1J7nWfX+9avnKGDJxQHRuG8OVDGSWp8wolji26DRwtZSdIYkJvF450l+knInv RgkCAwEAAaOCAlwwggJYMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUdgCE/Mharvsk /Zu4XB5IeBREnT4wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYI KwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0 c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0 c2VuY3J5cHQub3JnLzATBgNVHREEDDAKggh3dGtvLmNvbTBMBgNVHSAERTBDMAgG BmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz LmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1AF6nc/nf VsDntTZIfdBJ4DJ6kZoMhKESEoQYdZaBcUVYAAABbcKJxS8AAAQDAEYwRAIgXhs9 eUagdw8YPIRitLjSnvmSVo8u+lUTp9co+Li/PtACIBmc7zHXx7uAVcr3OlVHnJh6 J9iJ8N6rHh1HUExrv3nsAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+L kF4AAAFtwonFJAAABAMARzBFAiEAqIfhdIyokq1JURYxDKmpJ2nnEV0Nuv6x9e2A 55+CiAgCIFfUiCGK4PCb2Hkal7LiF0d20v/bVP0C/GPC5558m/AtMA0GCSqGSIb3 DQEBCwUAA4IBAQAytDUntQp40mPWRZI5cWIxJRhhx+T2+6GboEDzb2QpaCKpasWh ObDSYOjL5FzX3BfRYXrEfM2VYcxOZCKeiXsCr/432lcxkdhW2bqVVfugRVKXitO6 EnizJdJANnjG/Qr1RLorsEndjlEQFUN+rahjhtDQyTSzJ+GkS1R7Srgs+votovWy n+OmDT3/yd8PAUZUU/jqEAhXoweKU9wFWU9+tuLi9KT4DlyfdeP2sPCMZQr03tMX fAqYdOnYG+tOQT5j2L/5E1Q8ZHKUvSVfBoKgw7dbrcQQATK1PHP6MBTN8Q1Nv6D9 CXJKPy4jxCN7V5l9c40cpcIbBp+xFRIy+iaZ -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA2ggVVkEBTKwIypnrE+gk ZcRBTUhOUMND8fjt/0rLTlTUTinbw0A2ND+trIEIoHrxyNAhct1ofRN9YEO7EgIx zIkI/xaQw4F6qpmhj5B3P1KseAeCoQt2VdLtzwwn2gsmn4ZWDjmjebOGYgKAhBd/ p3y1Ih+MjZ6KFdjzgvYSbeNH1kpjiBsFaQP3RgdChFoUwog8jeqsCvOUaYBtSKYT gedWz4b0apc5S7rsnbt+R/EJym+7m8SOgn3FHUJmKyVNF12/o4AxJU0uzP2ab/GO jhooE3aKOQCOA/+3vuw+zpKGxYP9SYufV9lLJ/28sC91j41NQfII6oNpiBKDbapT QTXoLfjyPQeztV61ZrRECIZ/Y01pZVEZ+IW+gpwrAQv0kMJ2PRs2ixRdibLiHKla O7bVgVaC2F5qSj8W3fskXhi2/wpZu4Jk1Z9lz6A6q1WKbmuXENoIWP6Y4Kfll2SW 2QwMaVCUN0ffxzm4uQhGEDCC0+1AbyfR26daaY3uAKarUhXWpvs/CrU6f5nh8Dtb MHwTJD2Cg+GzwAWvghqxFPzpwAOULf76TkJTs1spLh71j1QFLjlQd8RDv//j+GXB ZGahUSaTzdj8uE1Pmq+bMfm1J7nWfX+9avnKGDJxQHRuG8OVDGSWp8wolji26DRw tZSdIYkJvF450l+knInvRgkCAwEAAQ== -----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 434151145970955276714167202791051687890895 . . . . . . . . [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 23:34:31 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 23:34:31 +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 'wtko.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 889491223938506647781779394768499302493137914446418038115082503825014749246925495924125445568932596804206655678964754001270854819686597791161487369923988149209020577694847689577886259641326056648194114140136884891305796377533434843043847871932558991066056622179374635700760440363165094669011798051169006229207017260571243563153039579821812850198774388489746237050866430986598109271180934742340333286973858437141732379857689370308562569620022215227756602112859403048019540367563430880341320886786815987315206812934001932266188562084744096145542050284726742189107536232810658750178222562306361145506444323339767321352787343874009277382433641570168096274302919144408104406931994451081168033260199220143906423112987496340121727358279234603314456954370920239954660111303615777317903931090026412205311917731783263346712051428080308856846773584549489186249026122609790219672214535232665746592486448452578704663487844324302941065861125019076141081396386312983038352524026524866760914579442537952882296102237048331480474697930425126926590249521675340683432163733574335604956394413310681949403170349764395669449636371215347413056271601012123630035890745618903703702341019445039386061174893787063472708089759967815522558167243477706340251420169 . . . . . . . . . . . . . . . . . . . . [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) 760084fcc85aaefb24fd9bb85c1e487814449d3e . . . . . . . . . . . . . . . . [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 (12 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wtko.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc289c52f000004030046304402205e1b3d7946a0770f183c8462b4b8d29ef992568f2efa5513a7d728f8b8bf3ed00220199cef31d7c7bb8055caf73a55479c987a27d889f0deab1e1d47504c6bbf79ec007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc289c5240000040300473045022100a887e1748ca892ad495116310ca9a92769e7115d0dbafeb1f5ed80e79f828808022057d488218ae0f09bd8791a97b2e2174776d2ffdb54fd02fc63c2e79e7c9bf02d . . . . [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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