memorize.ai
Issued by R3
About this certificate
This digital certificate with serial number 04:c5:3e:e1:bc:4a:81:e6:ec:ef:1f:4a:d5:70:62:1b:8c:88 was issued on by Let's Encrypt.
This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=memorize.ai
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate will expire on
Certificate Details
Serial Number (hex): 04:c5:3e:e1:bc:4a:81:e6:ec:ef:1f:4a:d5:70:62:1b:8c:88Serial Number (int): 415568354231993791259781433276276579994760
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 75:c4:12:90:90:f0:6a:c9:1f:5a:b9:18:ed:b7:a4:f3:ed:08:c3:5b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 9f:f9:21:71:62:90:39:59:31:64:c6:ef:45:4c:b6:68:f6:93:ce:cb
Fingerprint (sha256): cb:c0:78:a7:1d:4c:68:aa:1e:e0:4a:fd:b5:cd:58:82:21:06:4a:62:db:e6:dd:fb:f7:80:fe:fb:0d:6e:8b:49
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate memorize.ai
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for memorize.ai
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
memorize.ai
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Certificate
The complete raw certificate details for memorize.ai in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE4TCCA8mgAwIBAgISBMU+4bxKgebs7x9K1XBiG4yIMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDA1MTgwODE3MjRaFw0yNDA4MTYwODE3MjNaMBYxFDASBgNVBAMT C21lbW9yaXplLmFpMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyf+Y VCDiw0s9lJDQccQRnvl+4efZ4ECXDT4q8ytJggsIUDdZjuMeav2/l2P3V4UEL0z3 4a9xdF3NXNP8OkVnLRuKVP420AUzSgLr5uY7seO8ifndBMdJhilm2gtJtk1wzj4I YLQcf0wtIvVO9xX6X8gn492sgneZ6H28gXI2YpID+Z5MBwkNoFphVZWO6oTBO4tp 0AprNsI2hJqBxy9Z12+X6SRPeWFaVxbwo2oDLQmmCAw7SLSJjRrEfe6TUSVy0Xp+ 0o+0va/C81uK5EBfj98JBjoV2EEXjZdQuKkLz3CsZIHoWUzAfPIggs5axMaqvmDV Ih/Dbnv3QtM0/qd0oQIDAQABo4ICCzCCAgcwDgYDVR0PAQH/BAQDAgWgMB0GA1Ud JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW BBR1xBKQkPBqyR9auRjtt6Tz7QjDWzAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDm H6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5v LmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzAW BgNVHREEDzANggttZW1vcml6ZS5haTATBgNVHSAEDDAKMAgGBmeBDAECATCCAQIG CisGAQQB1nkCBAIEgfMEgfAA7gB1AD8XS0/XIkdYlB1lHIS+DRLtkDd/H4Vq68G/ KIXs+GRuAAABj4r93jUAAAQDAEYwRAIgHouL81LM2GX0xgm8CRp2otEfKhIifjpz u5fjmgjFpgsCIEbzTrd5jS3BnOVY1i/jawTx/lIAf2U4gzM3vCYjwxHBAHUA7s3Q ZNXbGs7FXLedtM0TojKHRny87N7DUUhZRnEftZsAAAGPiv3ePgAABAMARjBEAiAs fh4gLyIX91CS4bOrXuHVOmeGPffYnUiN6ouMHSIMuwIgU9A6apGuH1Di2FxJXtUP PELGmGoSBm1mfacQY/O2/EUwDQYJKoZIhvcNAQELBQADggEBABwyDx3uBcvd79L0 jjy0CvGlfmxMwO5Ivi6TubUJ3WKCS2lrUxgxUiUc09FVWxoEDrpwWX5ymMonPsne wvtxuSG77EpAALlAvZmLNV6czbuABWrr/AgXy623B4nGfUtxg5JLjSEs0NWf8vKr U3AuKcBtItRNpJqMNdJMcaVTb2oTN9HNaeCStTw9F6jtI4l+JxEAsjyEvHRlN7+G /87uVzV5gx4ZScOUc9azWbY4qB0kOt0xRdi0Jyr/VRF831l+8M/e1OYHfsNAh+xy B3++uXc12tKqUJFC/TSh5tqxtbM2+2On2gCvFsRWSZvwVqmh6bKxczAcdrzPDOTz QyPq2MI= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyf+YVCDiw0s9lJDQccQR nvl+4efZ4ECXDT4q8ytJggsIUDdZjuMeav2/l2P3V4UEL0z34a9xdF3NXNP8OkVn LRuKVP420AUzSgLr5uY7seO8ifndBMdJhilm2gtJtk1wzj4IYLQcf0wtIvVO9xX6 X8gn492sgneZ6H28gXI2YpID+Z5MBwkNoFphVZWO6oTBO4tp0AprNsI2hJqBxy9Z 12+X6SRPeWFaVxbwo2oDLQmmCAw7SLSJjRrEfe6TUSVy0Xp+0o+0va/C81uK5EBf j98JBjoV2EEXjZdQuKkLz3CsZIHoWUzAfPIggs5axMaqvmDVIh/Dbnv3QtM0/qd0 oQIDAQAB -----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 415568354231993791259781433276276579994760 . . . . . . . . [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 2024-05-18 08:17:24 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-16 08:17:23 +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 'memorize.ai' . . . . . . . . [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 25499937906817752164717449711831522689365491126028823527166105375634901708981593867889944807466168369526656850932184539599318863220762077856794517964886409382531247980588116480410174209383334739676778923474578748280217538038189366598733071918532917508173558465308185145012404641188581029552507962354348879181462552465277762166196202786230974618830559354665880117690486757057031983130651121135289587357835294393483692323055744655855136809290536656416499890581364808583054181638327773026370451218070762028750403193556166616195632225907507835990863181581553159377802793071608023875705760738043232285068351917466818409633 . . . . . . . . . . . . . . . . . . . . [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) 75c4129090f06ac91f5ab918edb7a4f3ed08c35b . . . . . . . . . . . . . . . . [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 (15 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'memorize.ai' . . . . . . . . . . . . . . . . [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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee0075003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f8afdde35000004030046304402201e8b8bf352ccd865f4c609bc091a76a2d11f2a12227e3a73bb97e39a08c5a60b022046f34eb7798d2dc19ce558d62fe36b04f1fe52007f6538833337bc2623c311c1007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018f8afdde3e000004030046304402202c7e1e202f2217f75092e1b3ab5ee1d53a67863df7d89d488dea8b8c1d220cbb022053d03a6a91ae1f50e2d85c495ed50f3c42c6986a12066d667da71063f3b6fc45 . . . . [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) 001c320f1dee05cbddefd2f48e3cb40af1a57e6c4cc0ee48be2e93b9b509dd62824b696b53183152251cd3d1555b1a040eba70597e7298ca273ec9dec2fb71b921bbec4a4000b940bd998b355e9ccdbb80056aebfc0817cbadb70789c67d4b7183924b8d212cd0d59ff2f2ab53702e29c06d22d44da49a8c35d24c71a5536f6a1337d1cd69e092b53c3d17a8ed23897e271100b23c84bc746537bf86ffceee573579831e1949c39473d6b359b638a81d243add3145d8b4272aff55117cdf597ef0cfded4e6077ec34087ec72077fbeb97735dad2aa509142fd34a1e6dab1b5b336fb63a7da00af16c456499bf056a9a1e9b2b173301c76bccf0ce4f34323ead8c2