ctkca.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:15:bd:93:b1:d8:09:01:32:e7:f5:7e:95:a2:9e:ed:ba:2c 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=ctkca.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:15:bd:93:b1:d8:09:01:32:e7:f5:7e:95:a2:9e:ed:ba:2cSerial Number (int): 268734778466564571156080964225556376566316
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6c:70:24:41:c4:19:fd:4a:6f:1a:9b:d5:8f:a2:14:4e:26:21:10:c8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 68:08:d2:ae:fd:a1:08:3e:87:ff:af:c3:99:de:fb:f9:3e:60:ab:93
Fingerprint (sha256): 10:f3:ff:44:cf:65:36:ad:82:71:b4:5f:3a:b4:73:3b:08:90:39:6e:4f:c4:93:d9:ef:b5:ba:35:54:92:33:d3
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate ctkca.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for ctkca.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
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
ctkca.com
Other certificates including the domain name ctkca.com
(limited to 100 certificates)
uranianmedia.com
oc.nyah.club
www.yanax.com
noiremarche.com
ctkca.com
www.nordpole.at
app.rogueland.eventup.ro
qa-bizworks.gov.taxscribe.app
dena.ai
flightstatus.stgairasia.com
www.reflytics.com
kadastr.cloud
copafacil.com.br
bo.clubup.it
bragpot.co.uk
www.credimoveispocos.com.br
www.ctkca.com
babysna.ps
app.hmg.enviabybus.com.br
www.fpalacios.com.ar
www.yanax.com
app.simboss.co.za
siatur.tucanviajes.com
operations-chessboard.com
wttech.com.au
flightstatus.stgairasia.com
vota-citt.cl
artvillas.de
thetunneloflight.mwata.site
tytorials.flyingfacedesigns.com
huskme.com
mayapur-info.com
staging.jessie.ai
tytorials.flyingfacedesigns.com
dusud.com.ar
mp2pm.com
bo.clubup.it
www.reflytics.com
xerox.savebook.xyz
www.fitzroydental.com.au
app.celeryhq.com
epakki.com
onboarding.bcb.group
www.uccloud.com.tw
huskme.com
www.bayt.app
wls.worknode.ai
karate-do-prien.de
www.nordpole.at
connect.entango.dev
techedit.io
artvillas.de
www.skymeyer.dev
www.entaji.com
smartlearningsystems.app
www.ctkca.com
www.justbyt.com
oc.nyah.club
www.yanax.com
noiremarche.com
ctkca.com
www.nordpole.at
app.rogueland.eventup.ro
qa-bizworks.gov.taxscribe.app
dena.ai
flightstatus.stgairasia.com
www.reflytics.com
kadastr.cloud
copafacil.com.br
bo.clubup.it
bragpot.co.uk
www.credimoveispocos.com.br
www.ctkca.com
babysna.ps
app.hmg.enviabybus.com.br
www.fpalacios.com.ar
www.yanax.com
app.simboss.co.za
siatur.tucanviajes.com
operations-chessboard.com
wttech.com.au
flightstatus.stgairasia.com
vota-citt.cl
artvillas.de
thetunneloflight.mwata.site
tytorials.flyingfacedesigns.com
huskme.com
mayapur-info.com
staging.jessie.ai
tytorials.flyingfacedesigns.com
dusud.com.ar
mp2pm.com
bo.clubup.it
www.reflytics.com
xerox.savebook.xyz
www.fitzroydental.com.au
app.celeryhq.com
epakki.com
onboarding.bcb.group
www.uccloud.com.tw
huskme.com
www.bayt.app
wls.worknode.ai
karate-do-prien.de
www.nordpole.at
connect.entango.dev
techedit.io
artvillas.de
www.skymeyer.dev
www.entaji.com
smartlearningsystems.app
www.ctkca.com
www.justbyt.com
Certificate
The complete raw certificate details for ctkca.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFSTCCBDGgAwIBAgISAxW9k7HYCQEy5/V+laKe7bosMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAxMjgxNzU0MjRaFw0x OTA0MjgxNzU0MjRaMBQxEjAQBgNVBAMTCWN0a2NhLmNvbTCCASIwDQYJKoZIhvcN AQEBBQADggEPADCCAQoCggEBAKx8yW5NaPbYQgz5/BAcDw8UYG2Dtu8rWWma+PGK kQV1xSswYe8aJNbhn6zj4i+FvWQErDH3nKFvAXCkS+uzRb6kZsVnkHGphx/kpCz7 ov5SqZ9tgCYABWP66xWjIyPRdeFuytuLBcRsd/XsHMFKK9RHaO9NU6lLhnBV68PO SCrAyJ891xGmypH0ST2Rsqy0IiJHo+klWMEPAfTNQTrzhN5u3GO4DQjicCZscFtm +21P+N1qydg0bm0kC8rZBu9fXrB+KeAI1YmvjmYhIMKWEbBEIp6Mb9zYhYWNaKvg 1NgUyY0njOmmWEL1byF/+U/bXWq6bWAzW4kFKMk609tsIa8CAwEAAaOCAl0wggJZ MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIw DAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUbHAkQcQZ/UpvGpvVj6IUTiYhEMgwHwYD VR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4G CCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8G CCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAU BgNVHREEDTALggljdGtjYS5jb20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYB BAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5v cmcwggEDBgorBgEEAdZ5AgQCBIH0BIHxAO8AdgB0ftqDMa0zEJEhnM4lT0Jwwr/9 XkIgCMY3NXnmEHvMVgAAAWiV0AZBAAAEAwBHMEUCIBCyHjeCRQG3uPiMBDJU9bUk M9FjTAJUsACJdyFAcXLiAiEAzhgneyv7DZxYtvC8wNxFRpxfgLdYJz9uO31q99gz FuwAdQBj8tvN6DvMLM8LcoQnV2szpI1hd4+9daY4scdoVEvYjQAAAWiV0AYyAAAE AwBGMEQCIAUJGeuiayR9mrrezViqRAfODaucG+i6aV97rPfymShCAiBUIs+qyFji BKbx5+8cy7HEb2mFZYcjEmCCqkO4ReeOpDANBgkqhkiG9w0BAQsFAAOCAQEAYWAF Ucz5/lBiMckLLXeIfNHt6Hg7duujElSGovCD8I5fWfL+Uv/57WDVMNnBcn44KBQD r1+M0kTUnD/Fd8UuO58WmDjzilr2Xq8yE+Njzz4RXaBg8NAcAoRm/SzLaadXfXWW 1WNAslTHJehtu4jLs2NUCLO3j1DFuJxHrFZQuOke+ts1RAir5pQ0WJQwReHBLYMk lz83OEAqDLPNIvTV0Wk9CSZgD7JskFtzNrAPVrDT4CWYRfIz6TuD4QWRrvQtzYqU 0/5B3nYiijW2J+7L6byMhM8jLuJevU010TsnMJMn/8uttopp1QfpekT3eYcp1ggd 0K3ag1DxRcmJEhPAmg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArHzJbk1o9thCDPn8EBwP DxRgbYO27ytZaZr48YqRBXXFKzBh7xok1uGfrOPiL4W9ZASsMfecoW8BcKRL67NF vqRmxWeQcamHH+SkLPui/lKpn22AJgAFY/rrFaMjI9F14W7K24sFxGx39ewcwUor 1Edo701TqUuGcFXrw85IKsDInz3XEabKkfRJPZGyrLQiIkej6SVYwQ8B9M1BOvOE 3m7cY7gNCOJwJmxwW2b7bU/43WrJ2DRubSQLytkG719esH4p4AjVia+OZiEgwpYR sEQinoxv3NiFhY1oq+DU2BTJjSeM6aZYQvVvIX/5T9tdarptYDNbiQUoyTrT22wh rwIDAQAB -----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 268734778466564571156080964225556376566316 . . . . . . . . [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 2019-01-28 17:54:24 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-28 17:54:24 +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 'ctkca.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 21774523138065173880144330839879559996839282298520201096340025136575862995707435476524457116592174930682297140414971055039109526496516021068085428489924640749445340770964953196233131808772155178178847578184811604281152612301783704251832035785975634256332684368952689289273974513874353510689553365565517738191181934271905151424332958115646568456403348588341665128013683986256421525466928660531252135847084654658016292471425327276619477891477759939436224780052388631203944642613498004245464320460958655086190546072812166334819424804022238032069306078512037050685523080406465372853373268890819005232898796644724913217967 . . . . . . . . . . . . . . . . . . . . [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) 6c702441c419fd4a6f1a9bd58fa2144e262110c8 . . . . . . . . . . . . . . . . [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 (13 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ctkca.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) 00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016895d006410000040300473045022010b21e37824501b7b8f88c043254f5b52433d1634c0254b000897721407172e2022100ce18277b2bfb0d9c58b6f0bcc0dc45469c5f80b758273f6e3b7d6af7d83316ec00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016895d0063200000403004630440220050919eba26b247d9abadecd58aa4407ce0dab9c1be8ba695f7bacf7f299284202205422cfaac858e204a6f1e7ef1ccbb1c46f6985658723126082aa43b845e78ea4 . . . . [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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