thisislex.app
Issued by R3
About this certificate
This digital certificate with serial number 04:83:40:a9:99:05:42:21:67:19:c4:b4:06:5d:5a:73:71:39 was issued on by Let's Encrypt.
With 2 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=thisislex.app
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:83:40:a9:99:05:42:21:67:19:c4:b4:06:5d:5a:73:71:39Serial Number (int): 393112084987208528865288979796967088681273
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: da:40:6e:57:41:ee:20:9c:1d:30:42:e3:eb:4a:85:72:91:8f:e9:97
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 5b:57:d9:d4:4a:9a:01:f1:37:05:52:6b:a7:0d:d9:12:1c:3b:0a:b9
Fingerprint (sha256): c9:0f:51:4e:06:87:a9:91:01:1a:4e:49:af:e9:23:05:8e:e8:4c:fa:50:00:d5:ca:70:73:03:d0:0d:88:af:26
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate thisislex.app
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for thisislex.app
Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
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
thisislex.app
www.thisislex.app
www.thisislex.app
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links-staging.thisislex.app
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navi.urbanhome.app
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mobile.wordcloud.app
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api.steelspace.io
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links.thisislex.app
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app.bookt.co
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Certificate
The complete raw certificate details for thisislex.app in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIEMDCCAxigAwIBAgISBINAqZkFQiFnGcS0Bl1ac3E5MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEwMDIwNjIwMTJaFw0yMzEyMzEwNjIwMTFaMBgxFjAUBgNVBAMT DXRoaXNpc2xleC5hcHAwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAASn0/Mx4t7I lEbVKYiFJ93mHbARW98mdIP2NjarnMoJQY/gO1GRwNxyaSz09NGsGJgu7Ch01y+K 35Vnasl7in/ho4ICIzCCAh8wDgYDVR0PAQH/BAQDAgeAMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTaQG5XQe4g nB0wQuPrSoVykY/plzAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+dixTCxjBV BggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9y ZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzArBgNVHREEJDAi gg10aGlzaXNsZXguYXBwghF3d3cudGhpc2lzbGV4LmFwcDATBgNVHSAEDDAKMAgG BmeBDAECATCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3AHoyjFTYty22IOo44FIe 6YQWcDIThU070ivBOlejUutSAAABiu9CRXUAAAQDAEgwRgIhAMDzvyD0DgJtlmSl A9OQMIcPkxUmIa37M+Bmj3NM5pQxAiEAlL4OtsCIguqvFAg+H5pfg/SL/La+msuc eHOcVr2h06gAdgC3Pvsk35xNunXyOcW6WPRsXfxCz3qfNcSeHQmBJe20mQAAAYrv QkVvAAAEAwBHMEUCIQCRhs4Azxo3Df4hmP6vnRZ6544+VVJc4JZ6xEygUEmN3gIg NYtQhHNDMQKUdUQAiAouZBVnyhcTlbW9eLcotzhjWxAwDQYJKoZIhvcNAQELBQAD ggEBALLbDtQcsD+kOXl8jaNgADEjjEiA/WobP8zNjCdQdBJomFUd2IkObARQUWNT irJx6cm5MMvmH88E2LiXAq0Fi++lts4Bba1BgU2iXeWv2SJ4xbY4zam797+t4IPa jhhUONnS1VsW8vbJU8c9cuFKNdVNQ1thf4pkBvYP8w4AOLp7xJVEXiGGtOMAdJ9U luqusVP5bIaFXS9kSe2MDbK3fNsDRr2lygYY4ufO2dna/gv92A9aD9DV+tVsVyft csxREHstHW7RLF7y3rRI4kJIOJuEvZgu2BPmWxhh2CD9j3D9GdRok1JMQXUxY3TV DA8X0YcOx/4rMV2oqCUxhQ3xiyM= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEp9PzMeLeyJRG1SmIhSfd5h2wEVvf JnSD9jY2q5zKCUGP4DtRkcDccmks9PTRrBiYLuwodNcvit+VZ2rJe4p/4Q== -----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 393112084987208528865288979796967088681273 . . . . . . . . [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 2023-10-02 06:20:12 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-31 06:20:11 +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 'thisislex.app' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey) . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1) . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits) 0004a7d3f331e2dec89446d529888527dde61db0115bdf267483f63636ab9cca09418fe03b5191c0dc72692cf4f4d1ac18982eec2874d72f8adf95676ac97b8a7fe1 . . . . . . . . [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 (1 bits) 0780 . . . . . . . . . . . . . . . . [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) da406e5741ee209c1d3042e3eb4a8572918fe997 . . . . . . . . . . . . . . . . [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 (36 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'thisislex.app' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.thisislex.app' . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018aef4245750000040300483046022100c0f3bf20f40e026d9664a503d39030870f93152621adfb33e0668f734ce6943102210094be0eb6c08882eaaf14083e1f9a5f83f48bfcb6be9acb9c78739c56bda1d3a8007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018aef42456f00000403004730450221009186ce00cf1a370dfe2198feaf9d167ae78e3e55525ce0967ac44ca050498dde0220358b50847343310294754400880a2e641567ca171395b5bd78b728b738635b10 . . . . [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) 00b2db0ed41cb03fa439797c8da3600031238c4880fd6a1b3fcccd8c275074126898551dd8890e6c04505163538ab271e9c9b930cbe61fcf04d8b89702ad058befa5b6ce016dad41814da25de5afd92278c5b638cda9bbf7bfade083da8e185438d9d2d55b16f2f6c953c73d72e14a35d54d435b617f8a6406f60ff30e0038ba7bc495445e2186b4e300749f5496eaaeb153f96c86855d2f6449ed8c0db2b77cdb0346bda5ca0618e2e7ced9d9dafe0bfdd80f5a0fd0d5fad56c5727ed72cc51107b2d1d6ed12c5ef2deb448e24248389b84bd982ed813e65b1861d820fd8f70fd19d46893524c4175316374d50c0f17d1870ec7fe2b315da8a82531850df18b23