www.wtko.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:c1:d6:54:94:2f:f2:c9:2d:c4:75:68:da:2a:1c:d8:82:10 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.wtko.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:c1:d6:54:94:2f:f2:c9:2d:c4:75:68:da:2a:1c:d8:82:10Serial Number (int): 327296248560651435871839877492061698032144
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c4:32:47:70:01:9c:10:fd:28:ea:57:df:d2:bb:8c:71:af:5b:3c:a9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ab:1a:40:66:67:5e:4d:de:0a:28:4c:c9:91:01:96:77:76:34:22:a2
Fingerprint (sha256): 08:a1:7a:d2:2e:fa:69:7f:cd:83:4f:44:6b:70:54:e6:29:55:7d:9a:53:85:a0:11:a1:63:3a:41:ab:e2:40:6d
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.wtko.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.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
www.wtko.com
Other certificates including the domain name wtko.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.wtko.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUDCCBTigAwIBAgISA8HWVJQv8sktxHVo2ioc2IIQMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMTYxMDIyMThaFw0y MDA1MTYxMDIyMThaMBcxFTATBgNVBAMTDHd3dy53dGtvLmNvbTCCAiIwDQYJKoZI hvcNAQEBBQADggIPADCCAgoCggIBALkdfQki+F+mI/2bEls2KxNkfFl0odj+YmiU z2ZoEckEbRQpApK0lfPyCmQGjHc4PIjBre6BsTBE9m9gBnxhjLh227ECTqnDrK3X x8u/HEQguo19zp9zY3XUn5R2jm2Tm1vqGEeBWspRFQOMvl+xeLy8RelX3450f8Wj 84Rrw1lY1iENbpIShQDNayRNF7YNliKkDrux9KG2YOHGejp59sz/O1N0Qx0dQD2W dr96Qc4PHIO2Lt0+sNuwDTQAOTOV4Oxu99h8jmn44Xl208zqQ1m9sCBtsuZAPohA jiSwzpuHCdKXI+49PM5BAqiZqJXTMYTQIBSapgLWDt/OtT/A5M47GYjJ4UYCZXG7 kEipzpv/1dAD5cHsrQlm9C0dG24w6TUZtFtsJVxHaEaN+qnrjuU/345yeaOee3G+ z68fCOBAhuvBGuUorsi+lSgpc2IkOWH64/GxUUnia8S5MBM8WHmFH/kzBYm09IQk VET8UvoREfBueXLDiSKpG8KqblCwvlPZzu+WhjfEmHVfJAE8kZdjunLfW103snYL /PlirbDANWR0YE6zGRI8SZgvygtwnRZTXFTtkzSFjd8UdNNiVO333Nu6vQjxbIL4 dNvycLn0saNM0KSc1yy0NC7/XfHN3sz6lzbxt2l7pOZcW9fimLXw4FAZqnZnK/mZ ttMf3xwlAgMBAAGjggJhMIICXTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFMQyR3AB nBD9KOpX39K7jHGvWzypMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh MG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgz LmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz LmxldHNlbmNyeXB0Lm9yZy8wFwYDVR0RBBAwDoIMd3d3Lnd0a28uY29tMEwGA1Ud IARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0 dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDw AHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFwTbwa+QAABAMA RzBFAiAJT5Q2O8lxbneytGVXdaJUa2Wh2oO4PhqrSTrnsKHeXwIhAP/cWw7FhlSf A8uR+rYOPpFhDZdsoZS4zkg4agkHPUc/AHYA5xLysDd+GmL7jskMYYTx6ns3y1Yd ESZb8+DzS/JBVG4AAAFwTbwa+gAABAMARzBFAiEA7RqFbj52ko5Ggs29qSqXA6ha QpTeCmeV7hiLnyn8NAsCIHA4aXMtimOn3cREaY/+FwFtWgaHehivpMN8L45ZRugd MA0GCSqGSIb3DQEBCwUAA4IBAQAyUtbYbO5BVxOMS6mWY2hX2M7TmMIhGZeFIhVw 4xV7m68awu4ouLav/lo2TBnGoB6UU4j6vKriiPRq1gCtGrIQ29gMVOkxrU8KARYK xs+1QxoySkGZiL0dRbc9lMZdk6xUOdv+KelRQjRwKP+zYBa6h5h9KXNbagVDgKoq Lxxo8+VW9mlZD0XA0xeqHydU8FenfPUlvgGdxGXuNcQaSkfs0djT0KQ+/C9BCeq6 sVPLVeNSGqy06A1m5K0esUMGATT3t689UBs5yajreBrhUJRuXb3ApcqhlRVZ3oO0 7aYyJTGNgH7eU0NjmzsweRFcbHmReedeWqw4S1MoKfRhCqZc -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuR19CSL4X6Yj/ZsSWzYr E2R8WXSh2P5iaJTPZmgRyQRtFCkCkrSV8/IKZAaMdzg8iMGt7oGxMET2b2AGfGGM uHbbsQJOqcOsrdfHy78cRCC6jX3On3NjddSflHaObZObW+oYR4FaylEVA4y+X7F4 vLxF6VffjnR/xaPzhGvDWVjWIQ1ukhKFAM1rJE0Xtg2WIqQOu7H0obZg4cZ6Onn2 zP87U3RDHR1APZZ2v3pBzg8cg7Yu3T6w27ANNAA5M5Xg7G732HyOafjheXbTzOpD Wb2wIG2y5kA+iECOJLDOm4cJ0pcj7j08zkECqJmoldMxhNAgFJqmAtYO3861P8Dk zjsZiMnhRgJlcbuQSKnOm//V0APlweytCWb0LR0bbjDpNRm0W2wlXEdoRo36qeuO 5T/fjnJ5o557cb7Prx8I4ECG68Ea5SiuyL6VKClzYiQ5Yfrj8bFRSeJrxLkwEzxY eYUf+TMFibT0hCRURPxS+hER8G55csOJIqkbwqpuULC+U9nO75aGN8SYdV8kATyR l2O6ct9bXTeydgv8+WKtsMA1ZHRgTrMZEjxJmC/KC3CdFlNcVO2TNIWN3xR002JU 7ffc27q9CPFsgvh02/JwufSxo0zQpJzXLLQ0Lv9d8c3ezPqXNvG3aXuk5lxb1+KY tfDgUBmqdmcr+Zm20x/fHCUCAwEAAQ== -----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 327296248560651435871839877492061698032144 . . . . . . . . [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 2020-02-16 10:22:18 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-16 10:22:18 +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.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 755204083288548033746515929185912494062869074503030842273463583377872121031278060246324809468304133302548488624371395651294354038068125423553132200106435934847957991193515129826223529293476599193169082412763764298359612399773042403097402808415319040375390122446761740532266011265655329917144596321759411877092579862321338150101421454419494626647596728701160424145730004232937157486056472684638433087574716778817574125075238014154346063127624345583045505968829794870474549379935918953224446124001324703965736027446205445492722520515906536746704307845650831786690265576424157812788231252530493339794721141232547410692548140094898364418036079789184853338870649901460387984198187206675102222190038782009752292257754534033143939137100433495406392189814384521143114403505821547612899472567554763323356167358889598621588097880066312135491349925348272347853930865289970999197423917947949608647335330066345200850131109129027544876706418428492550192254105594730837886909874911253014168473575311571628910145372751858348668835252785716830411074071405887124806332752517037973463281808774132188868538560167116037025904035811353936715071084778864668413523422920642767323942542943989500832689901113925902971329003724913392301653733964183342220778533 . . . . . . . . . . . . . . . . . . . . [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) c4324770019c10fd28ea57dfd2bb8c71af5b3ca9 . . . . . . . . . . . . . . . . [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 (16 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001704dbc1af900000403004730450220094f94363bc9716e77b2b4655775a2546b65a1da83b83e1aab493ae7b0a1de5f022100ffdc5b0ec586549f03cb91fab60e3e91610d976ca194b8ce48386a09073d473f007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e000001704dbc1afa0000040300473045022100ed1a856e3e76928e4682cdbda92a9703a85a4294de0a6795ee188b9f29fc340b0220703869732d8a63a7ddc444698ffe17016d5a06877a18afa4c37c2f8e5946e81d . . . . [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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