coursedog.com
Issued by R3
About this certificate
This digital certificate with serial number 03:ec:2e:10:f6:60:0b:ca:d9:89:58:e0:ed:09:ab:ce:90:fd 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=coursedog.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ec:2e:10:f6:60:0b:ca:d9:89:58:e0:ed:09:ab:ce:90:fdSerial Number (int): 341704728950260375669714770225169880223997
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 1b:56:48:0d:38:5b:3a:4a:db:53:a2:56:33:b0:c7:0c:8f:97:6b:24
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 11:06:e8:dd:f8:c6:e6:d4:76:2d:5f:8c:6d:ea:ef:d3:87:a4:c7:df
Fingerprint (sha256): bf:1e:be:b4:5b:fc:8b:42:2e:08:d4:64:c0:a3:d9:70:9c:51:df:23:40:e1:f5:b5:a5:c9:7e:ef:cd:7c:91:85
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate coursedog.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for coursedog.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
coursedog.com
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Certificate
The complete raw certificate details for coursedog.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE5zCCA8+gAwIBAgISA+wuEPZgC8rZiVjg7QmrzpD9MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzA3MTcyMjEyMzVaFw0yMzEwMTUyMjEyMzRaMBgxFjAUBgNVBAMT DWNvdXJzZWRvZy5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCu fgtJ3pRwkN91Ocyyp5eTThu418t3SUpD4tcbjOBS/y0ibwokWisIuRDBrg4oQS5O 1vhlH+BVdvJgzKohJ8/MzyimZz8ecHNe/+4T07qRbNbkVnTDmC5WHTMKEL+gLzc3 GbWR64c5oqd9omGnaF/qELq9BdrDn5H3xoDcDH8BwD+SlXld73WTB1UgG9QKvfy6 1sXh/TA0ieA/w+fTqtz6lXHVbHBE4sd4YCfDX2b5NrCJsG+WmOYLxymbWChyQVE3 yfkL2NhMAqLqg30SbmzssCMUT2tlcvVq20HK9ObYhzir8OP35DCGl1aetmjhWuka 1bUthW29K52ULCJ5cYIlAgMBAAGjggIPMIICCzAOBgNVHQ8BAf8EBAMCBaAwHQYD VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O BBYEFBtWSA04WzpK21OiVjOwxwyPl2skMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJ QOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3Iz Lm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcv MBgGA1UdEQQRMA+CDWNvdXJzZWRvZy5jb20wEwYDVR0gBAwwCjAIBgZngQwBAgEw ggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdwC3Pvsk35xNunXyOcW6WPRsXfxCz3qf NcSeHQmBJe20mQAAAYlmIIhxAAAEAwBIMEYCIQCyTJYde9orPE2HXRGqlT6xsm6U mrmxhaS7gaeC/thCMgIhAKzBiPSh52xMN5bFQuulFtG9n+3vtwl8yCaEzVbAxfhg AHUArfe++nz/EMiLnT2cHj4YarRnKV3PsQwkyoWGNOvcgooAAAGJZiCIowAABAMA RjBEAiBhqysLX8MC6nVnks0b9zzFh4agsqSVsbiFGiRqbW2/jAIgDGtu4vWiIjrp RMS2cMW9QZqekKbfz0LUZFEtpJz+nj4wDQYJKoZIhvcNAQELBQADggEBAFEIWBmS 7k0oN9dROefEPellMZmXKjEkegA5mg9u439IH5hzERBa5pIFkRUe8PjYOsNSkY0B lwSEQHhyasPc/pBKGchaONRgx/RzD/idmETjSoopXqggJ0lQa7bgyPwhcG0+14mH 7LAu8D8jEAvORAMm+txcf6tuvukHfIdEB0uWbq7l0jtceX7NUBi+YPmZkuAfC5bJ eXCz4a6wO0un0XfXvbXa7kDBzcQodgqzfqoyisf/iIYHdoFSszfZ8JriV/K4SgSz P7M102qnsM2BBZRFXIh+CFVlaotTGoEj57JZzeDMKqfvDQ5dHam7GZSAx6npOWv9 7Xj+x6iqZ/M44wU= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArn4LSd6UcJDfdTnMsqeX k04buNfLd0lKQ+LXG4zgUv8tIm8KJForCLkQwa4OKEEuTtb4ZR/gVXbyYMyqISfP zM8opmc/HnBzXv/uE9O6kWzW5FZ0w5guVh0zChC/oC83Nxm1keuHOaKnfaJhp2hf 6hC6vQXaw5+R98aA3Ax/AcA/kpV5Xe91kwdVIBvUCr38utbF4f0wNIngP8Pn06rc +pVx1WxwROLHeGAnw19m+TawibBvlpjmC8cpm1gockFRN8n5C9jYTAKi6oN9Em5s 7LAjFE9rZXL1attByvTm2Ic4q/Dj9+QwhpdWnrZo4VrpGtW1LYVtvSudlCwieXGC JQIDAQAB -----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 341704728950260375669714770225169880223997 . . . . . . . . [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 2023-07-17 22:12:35 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-15 22:12:34 +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 'coursedog.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 22027619724322540062132027213594332996316586285986035027769038775424305030014279517704909151755257998416789548903336343834209107248354325951162559229711135472096583225788129294818712261894171322774240749847678401145222078950348737976508086983746650907948352066655098070809414574563865553756308145056319949764371906206873913156763352688090635613055527860208612512309126455283757349385891373478471293216340272763997767666848851432550338691856133036369491886587126582755897454801946179010407356180715190746330647869585380790162818611965201811736569904985024976402317562223285607359432257630437930759783301301095642530341 . . . . . . . . . . . . . . . . . . . . [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) 1b56480d385b3a4adb53a25633b0c70c8f976b24 . . . . . . . . . . . . . . . . [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 (17 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'coursedog.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 (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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189662088710000040300483046022100b24c961d7bda2b3c4d875d11aa953eb1b26e949ab9b185a4bb81a782fed84232022100acc188f4a1e76c4c3796c542eba516d1bd9fedefb7097cc82684cd56c0c5f860007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000189662088a30000040300463044022061ab2b0b5fc302ea756792cd1bf73cc58786a0b2a495b1b8851a246a6d6dbf8c02200c6b6ee2f5a2223ae944c4b670c5bd419a9e90a6dfcf42d464512da49cfe9e3e . . . . [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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