kosonk12.org
Issued by R3
About this certificate
This digital certificate with serial number 04:bf:d1:d3:37:cb:5d:e9:e9:a9:88:11:ba:d9:20:cd:c3:43 was issued on by Let's Encrypt.
With 15 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
- DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
- Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
- Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)
Certificate Subject
CN=kosonk12.org
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:bf:d1:d3:37:cb:5d:e9:e9:a9:88:11:ba:d9:20:cd:c3:43Serial Number (int): 413721981166341341454372247868889520522051
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: b5:5f:a5:6b:a5:2f:0f:cb:ba:ef:e2:01:81:bc:ce:0c:e4:6c:32:a1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 14:c4:7f:0f:9a:7a:11:1d:84:17:d5:96:57:62:2a:31:bb:66:2f:d8
Fingerprint (sha256): 14:0c:05:bb:e2:a1:3e:c0:cc:bd:48:14:9a:db:84:00:5a:99:56:87:e4:79:0b:2a:78:72:e7:74:da:e9:f3:91
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate kosonk12.org
15
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for kosonk12.org
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
americanfamilyvaluespac.com
chrisburns55.com.topeservices.com
colostomate.com.topeservices.com
goldmulch.com
graphicsexplosion.com
howtocreateabusiness.com
inventions.cool
kosonk12.org
motioneerstudios.com
nadinewestgate.com
plantationfl.com
pranaam.in.ecovergraphics.com
secondstorystudiodesign.com
waytoyoung.com
www.allianceibm.org
chrisburns55.com.topeservices.com
colostomate.com.topeservices.com
goldmulch.com
graphicsexplosion.com
howtocreateabusiness.com
inventions.cool
kosonk12.org
motioneerstudios.com
nadinewestgate.com
plantationfl.com
pranaam.in.ecovergraphics.com
secondstorystudiodesign.com
waytoyoung.com
www.allianceibm.org
Other certificates including the domain name kosonk12.org
(limited to 100 certificates)
Certificate
The complete raw certificate details for kosonk12.org in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGOjCCBSKgAwIBAgISBL/R0zfLXenpqYgRutkgzcNDMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAxMDYyMDA2MDhaFw0yNDA0MDUyMDA2MDdaMBcxFTATBgNVBAMT DGtvc29uazEyLm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALPA Zd2Fgoix7IE9TUG4kkepoKRtxHqbX5bq8/ZjDj8RvmPobOK5L8gAxXFkt99IvTtN jNuCUpZQ+LWtfeE2GrcEKbtCc7e4cYbtXaQ7rULPrtHMllFd9eD1q2K/9g94N2jy 34pQYTGj1U1ZHdVtBygbdZJMi+ZLqe5ezoO37/iutqJJ0NU516VfyH46CG1/aCWg CtPGzzrweOSxY5j8scj3JhAsG/xyQJm+9ChLccXpQWI/HAwML5HE1jGBjcG4mcUz lA95reYZck223tIgMI+/FlzDQHfPiCuavloHZdHg6Lcb3885C+z2HQbrEWEVPwkF Hh8Ck2iZd364fH64qm8CAwEAAaOCA2MwggNfMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUtV+la6UvD8u67+IBgbzODORsMqEwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA 5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMu by5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8w ggFrBgNVHREEggFiMIIBXoIbYW1lcmljYW5mYW1pbHl2YWx1ZXNwYWMuY29tgiFj aHJpc2J1cm5zNTUuY29tLnRvcGVzZXJ2aWNlcy5jb22CIGNvbG9zdG9tYXRlLmNv bS50b3Blc2VydmljZXMuY29tgg1nb2xkbXVsY2guY29tghVncmFwaGljc2V4cGxv c2lvbi5jb22CGGhvd3RvY3JlYXRlYWJ1c2luZXNzLmNvbYIPaW52ZW50aW9ucy5j b29sggxrb3NvbmsxMi5vcmeCFG1vdGlvbmVlcnN0dWRpb3MuY29tghJuYWRpbmV3 ZXN0Z2F0ZS5jb22CEHBsYW50YXRpb25mbC5jb22CHXByYW5hYW0uaW4uZWNvdmVy Z3JhcGhpY3MuY29tghtzZWNvbmRzdG9yeXN0dWRpb2Rlc2lnbi5jb22CDndheXRv eW91bmcuY29tghN3d3cuYWxsaWFuY2VpYm0ub3JnMBMGA1UdIAQMMAowCAYGZ4EM AQIBMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAO1N3dT4tuYBOizBbBv5AO2fY T8P0x70ADS1yb+H61BcAAAGM4JjxogAABAMARjBEAiBaKJ4GHIJtELOo/DFjrVXc Y+VGXkJuE4/gagq9v8/MAAIgNCWy4duOSgFpioISE5D8qJaSMqeVstOUDttPB2no 7VUAdgDuzdBk1dsazsVct520zROiModGfLzs3sNRSFlGcR+1mwAAAYzgmPGuAAAE AwBHMEUCIFTwLfllgmkKG20JtlFYLzyZcZhNwNc+y3Le6WV5NWPuAiEA4a1LutDo TMHEuKjAPqKFzdXa9ZJlA/dbu9OkVx00C34wDQYJKoZIhvcNAQELBQADggEBACq/ gs0f+ioHfIpVQL+3Dy4xAtzRXMgo/FcASyHaUc6h22CbRZj35oGgl/9QjxYmE85v Pjra9rofDuj0gmAP5jSKlFdiwthx0Tac8iHNe+w65zcsqpvILyRl9GXi6Yok2yBZ QURlDCmlU6qIJ+NqT29/jdr+s0540WVOHZffYRJCUhr8+LO51FFELajECyJHGdyF IhycdOgOuL3OvR93VMddZLN9gLbC+SrCtoj3kDqUei9rfyYjPY00UMQtxvZR230p P1/w3zySuynCkuctv4WsDS4Z5ugf0ia1pX6G2yTu4aR8Yikfq3OiwWM2Pv6bOj8t 9XVkEyMaKN74CMKHHZU= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs8Bl3YWCiLHsgT1NQbiS R6mgpG3Eeptflurz9mMOPxG+Y+hs4rkvyADFcWS330i9O02M24JSllD4ta194TYa twQpu0Jzt7hxhu1dpDutQs+u0cyWUV314PWrYr/2D3g3aPLfilBhMaPVTVkd1W0H KBt1kkyL5kup7l7Og7fv+K62oknQ1TnXpV/IfjoIbX9oJaAK08bPOvB45LFjmPyx yPcmECwb/HJAmb70KEtxxelBYj8cDAwvkcTWMYGNwbiZxTOUD3mt5hlyTbbe0iAw j78WXMNAd8+IK5q+Wgdl0eDotxvfzzkL7PYdBusRYRU/CQUeHwKTaJl3frh8friq bwIDAQAB -----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 413721981166341341454372247868889520522051 . . . . . . . . [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 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-06 20:06:08 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-05 20:06:07 +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 'kosonk12.org' . . . . . . . . [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 22691531535073596022721853710758496793683289393010355846993173713006778882795124471064188169023502829460811702474845057323065340398589998747309428157617067689577195129274412344081657622247050344597639644527418558640122958947473790623698281753996284799947191598518701844101505761975621830605329666901591655788687656318723886152826099987739740163758867918059601218761390583005901375888629684989460932703040410930197104795347917852552993365805148776698248994181257797789682117639088864356934113257554497221593696232738947326967547287781576231078084973040150048304677073552227843286900713701605458714966488472430375905903 . . . . . . . . . . . . . . . . . . . . [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) b55fa56ba52f0fcbbaefe20181bcce0ce46c32a1 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (354 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'americanfamilyvaluespac.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'chrisburns55.com.topeservices.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'colostomate.com.topeservices.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'goldmulch.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'graphicsexplosion.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'howtocreateabusiness.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'inventions.cool' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kosonk12.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'motioneerstudios.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nadinewestgate.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'plantationfl.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pranaam.in.ecovergraphics.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'secondstorystudiodesign.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'waytoyoung.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.allianceibm.org' . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ce098f1a2000004030046304402205a289e061c826d10b3a8fc3163ad55dc63e5465e426e138fe06a0abdbfcfcc0002203425b2e1db8e4a01698a82121390fca8969232a795b2d3940edb4f0769e8ed55007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018ce098f1ae0000040300473045022054f02df96582690a1b6d09b651582f3c9971984dc0d73ecb72dee965793563ee022100e1ad4bbad0e84cc1c4b8a8c03ea285cdd5daf5926503f75bbbd3a4571d340b7e . . . . [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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