wtko.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:03:4b:1e:e6:9c:7c:66:e0:d1:01:97:30:9e:30:5b:3a:dd 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): 03:03:4b:1e:e6:9c:7c:66:e0:d1:01:97:30:9e:30:5b:3a:ddSerial Number (int): 262457557441985482770984921715439858039517
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 18:03:d3:22:ca:83:e5:a4:61:76:eb:d3:d9:4a:a5:49:f4:97:8f:49
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 79:22:ba:47:ea:83:4c:54:c3:28:2b:85:3f:bd:e8:3b:e5:ec:22:ef
Fingerprint (sha256): fc:79:7d:85:bd:16:a7:49:dc:b6:8b:8e:b7:2a:53:77:37:31:ac:f0:81:c5:53:17:ff:0d:d1:9a:5c:11:37:6a
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+gAwIBAgISAwNLHuacfGbg0QGXMJ4wWzrdMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTYxMjA5NTBaFw0y MDAzMTUxMjA5NTBaMBMxETAPBgNVBAMTCHd0a28uY29tMIICIjANBgkqhkiG9w0B AQEFAAOCAg8AMIICCgKCAgEAqXAejBgYNlOWcV0n9oyZpfI0+iQAg+PHbpDuXhkU yir7bEjdIA62Ifnn4kGnhI+s6/DrQxyUFYwECtmbp3Rtaq5aUutvdZ7/PAT4XYD/ ZnBUxSq7eUMaisIaNiIC36bqw6nurl0GUe1aHasMnA5INu0AQLPni1sA/ok/EVmv vAirmWBbNHZvyLKFTwBAkEKtNi4Q1sqjXQTudY5C2KcmCPmURMgUTaVKs9odGlbW NhYRcCQji4M+IyvFLcG+sUX3lKYXyZ7RRW6rHVDmTlpC8DHAz6A5b+xubMXhQGe7 HF+iw0XI0AjKd1AnQFzkTKe/2+5HmL0PpGoh3k1rgoxuy15veC7Coe3PTBQH3m2D 4K1HFyXphkJryFcOnz6cnPxYa54gl19kiepkVqJNdouXQM+u4KFyVpA9FXuZP3N1 VgeCIBU3aaXAQPRWbmfA1EwcG0AHY/IjiroC3BOYdmayRbANiEMtvPIUIkDwzTbE 6pc7fXCJEr84+iGQ1Corz6dQ9EQLUBK74ExrrC1cspmtKTLaQdKF09c2tdy/Ptxo uhQ8LPihYBmwsUR9mwGffkfCIhCljuiD+4cEdhO8Mwme3DuSkmvnS6zIW/53mSxt Cd+Q4gJUfyhpVx+VoILtvLAMRexqjkFAQJoFSg2Xxe0Za5Std0/CR+2l2mpL2od5 ERcCAwEAAaOCAlwwggJYMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUGAPTIsqD5aRh duvT2UqlSfSXj0kwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYI KwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0 c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0 c2VuY3J5cHQub3JnLzATBgNVHREEDDAKggh3dGtvLmNvbTBMBgNVHSAERTBDMAgG BmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz LmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1APCVpFny ANGCQBAtL5OIjq1L/h1H45nh0DSmsKiqjrJzAAABbw7UR94AAAQDAEYwRAIgUQyr u7sXon8GujHodQXvyjVGAYqzRF+SOsEdvz61ke4CIEuQ7MYf1vACliqUdPY2Bdf5 VgqROLFvIe9HM56kJESIAHYAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6GmnT ohwAAAFvDtRICgAABAMARzBFAiABqzEiNOxooAtelrn+77hCcFXJTmxe+2TBobgw WWapNQIhAIVFLYQoCgt7qdaJrAHFO7auwrf+3IsqNbat8pCUQQv6MA0GCSqGSIb3 DQEBCwUAA4IBAQA0lMYrjTQ6C/1DU45uRXlCSVXxlL4xAi9aK9Mll0KGx2aTK1pY ruhljq0lxLIq39y1+8nYlNIxB5YrHD31XRm1/mTkq268VoJt+Gwc9BGie9Qk0475 8SH+FbO4ysKUlmJvnT+5TXYDHvDqPwTNa7VEH2vPuv7TE2/OzFlwM8NXiQYQp0Zb NakR6cXO1IiF84f8L0ZvyHXdqrvH87nKkG4NWKgDbR1iX6bXA+Itpd/rQh0tdpSp 5ePeso7vlfjgqyP5S0/gd7dKvtcmr1vI+kXRBEIDGun9EdESwqIv4W7O13IyeDIL cHQi6wJAITWLhdSkEPk/SdHWt4nmX6o8Rpr8 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqXAejBgYNlOWcV0n9oyZ pfI0+iQAg+PHbpDuXhkUyir7bEjdIA62Ifnn4kGnhI+s6/DrQxyUFYwECtmbp3Rt aq5aUutvdZ7/PAT4XYD/ZnBUxSq7eUMaisIaNiIC36bqw6nurl0GUe1aHasMnA5I Nu0AQLPni1sA/ok/EVmvvAirmWBbNHZvyLKFTwBAkEKtNi4Q1sqjXQTudY5C2Kcm CPmURMgUTaVKs9odGlbWNhYRcCQji4M+IyvFLcG+sUX3lKYXyZ7RRW6rHVDmTlpC 8DHAz6A5b+xubMXhQGe7HF+iw0XI0AjKd1AnQFzkTKe/2+5HmL0PpGoh3k1rgoxu y15veC7Coe3PTBQH3m2D4K1HFyXphkJryFcOnz6cnPxYa54gl19kiepkVqJNdouX QM+u4KFyVpA9FXuZP3N1VgeCIBU3aaXAQPRWbmfA1EwcG0AHY/IjiroC3BOYdmay RbANiEMtvPIUIkDwzTbE6pc7fXCJEr84+iGQ1Corz6dQ9EQLUBK74ExrrC1cspmt KTLaQdKF09c2tdy/PtxouhQ8LPihYBmwsUR9mwGffkfCIhCljuiD+4cEdhO8Mwme 3DuSkmvnS6zIW/53mSxtCd+Q4gJUfyhpVx+VoILtvLAMRexqjkFAQJoFSg2Xxe0Z a5Std0/CR+2l2mpL2od5ERcCAwEAAQ== -----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 262457557441985482770984921715439858039517 . . . . . . . . [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 2019-12-16 12:09:50 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 12:09:50 +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 691246593354098377868081816348364065043997941579994600132446328975347212146003689040835350132556895114149270353883660153264277109305756192462143918657366369405359404389649675720281040314998445877095728436416817425286424466020621412320969530674125526404891708341389591444799188360823286533526104517774106765590596869073924065353300870096160347169555955650641825383820621057936941193768515199574096779756204757349734246120204507241430070746019101911241696427523695084039029660249895980508117384427211532319765882511153252530876078137068420565974533372855599610719690492450663104719725580387641695844751291129999733228249572367608646975135249280315573637210018506737250932680867807298509398102568926641485440146424761245520385992544111403577505764403991636374791464659308818251867323399543226269076563715806818217182780021711082429920666602697470628468958898838451873234408904229983719621508565072699087213216561495430178506117823069126982183775461855086109572733261425968859809938607856081370740751885218690706991003637652097161544543599747001069205368759491210894937979509261366265970903505016018584197301625242482414534693538264253325060328941559260180031114561421319608135425779257236208967291324362569540191714740957493599235805463 . . . . . . . . . . . . . . . . . . . . [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) 1803d322ca83e5a46176ebd3d94aa549f4978f49 . . . . . . . . . . . . . . . . [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) 00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f0ed447de00000403004630440220510cabbbbb17a27f06ba31e87505efca3546018ab3445f923ac11dbf3eb591ee02204b90ecc61fd6f002962a9474f63605d7f9560a9138b16f21ef47339ea424448800760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f0ed4480a0000040300473045022001ab312234ec68a00b5e96b9feefb8427055c94e6c5efb64c1a1b8305966a93502210085452d84280a0b7ba9d689ac01c53bb6aec2b7fedc8b2a35b6adf29094410bfa . . . . [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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