itmmi.com
Issued by R3
About this certificate
This digital certificate with serial number 04:77:eb:0b:4b:90:fd:e5:4f:d0:18:f2:55:94:42:05:74:99 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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=itmmi.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:77:eb:0b:4b:90:fd:e5:4f:d0:18:f2:55:94:42:05:74:99Serial Number (int): 389255172617575715456205995758449204753561
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: fc:41:c8:7c:c5:b2:e1:7e:d3:b8:71:dd:bf:36:65:5d:6d:3b:ee:59
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 2f:b4:1b:53:a0:df:ca:2a:fa:a9:dd:7e:ef:d5:29:e2:ae:4f:f5:dd
Fingerprint (sha256): c2:dc:b1:86:ac:82:61:f1:8b:bd:bc:24:f7:ca:ac:59:23:f8:27:bb:d4:e9:f2:52:14:b5:cb:03:06:68:9c:b6
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate itmmi.com
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for itmmi.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
itmmi.com
www.itmmi.com
www.itmmi.com
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Certificate
The complete raw certificate details for itmmi.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE8DCCA9igAwIBAgISBHfrC0uQ/eVP0BjyVZRCBXSZMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzA2MjAwMTAxMjdaFw0yMzA5MTgwMTAxMjZaMBQxEjAQBgNVBAMT CWl0bW1pLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMUTo3MZ V8uQhdTSMALOz253Ew45O7kjukG0rLZ+i0I2Qtc6zfEXsHUapUELbgFaIQEZg8RP Ni/YhAfsrBNOC6X1Ih6wUbC4sppfRUzveYYPyZo3IKTCo3PeWUacI0MtSVCze9qO hdW3w14KXoX7zQRo7Hd5Jv0r5dEr2jeHqzYS4Y+2iTvjU+Z6HCc4BRBArIduNF20 YGTJR4e7m++Ss3WJALqMc7GYq9E/HvmgyDKpJmg7NVK8IkqnR1np8yCQUGE1SIkH cdovWQlKN9/j8yC3/IdlWt5nHjCSmbSHb4vzvat3eoUPtY+4tMPAv40DYXYnsObi RitLoPBGhYQYu7ECAwEAAaOCAhwwggIYMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU /EHIfMWy4X7TuHHdvzZlXW077lkwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+v nYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5s ZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wIwYD VR0RBBwwGoIJaXRtbWkuY29tgg13d3cuaXRtbWkuY29tMBMGA1UdIAQMMAowCAYG Z4EMAQIBMIIBBgYKKwYBBAHWeQIEAgSB9wSB9ADyAHcAtz77JN+cTbp18jnFulj0 bF38Qs96nzXEnh0JgSXttJkAAAGI1okSwgAABAMASDBGAiEAhZLRh3CTL3wwe8oN 5ibiDszZtIjYteMC5xoM/2m4/M4CIQDMifZuEr49+kS62yF/RUaOEEJYNaS7JylP pPRV4GbSmAB3AHoyjFTYty22IOo44FIe6YQWcDIThU070ivBOlejUutSAAABiNaJ EtEAAAQDAEgwRgIhAMeuwOUnvp9R4l33ADjFYSYVCTqgCGCP9YUxGhmz/jElAiEA hC8kugMphGcg40n0WETs4mU/V6wrvu3nRNf2G4I6+QMwDQYJKoZIhvcNAQELBQAD ggEBALTIU0ikFxUwcqjH2wIrVWkYK0keKm2BqNUzLmqQiZxxJeEvmttKgb8UU5UW WNAulKgOItb1TwhVTUGO0VJyApkbXYJ/Q2MODMvU6kaIJE4J2XsKIdJCbbqMEjDF VBNPbXM+LyePWuP/X+tnPhA0E6e9K9e39C36K30pQ2R6zQHlkDl8y/A/u5IXZUb8 mKhfHnpOJxuUhhsVz+6u5/jJ8BAXweHoYpLCOngnxpwejA9eMGO0ckzpzLVBVKgr GdDj/B/H7nqPsq0VmcZ03VWJYkQ2e7JrAxaMzjUY7zIL2dLSoXfwsiGPG27uFqoF FZZMOa8TAiPaQfGzKv0aJ1ixJJ8= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxROjcxlXy5CF1NIwAs7P bncTDjk7uSO6QbSstn6LQjZC1zrN8RewdRqlQQtuAVohARmDxE82L9iEB+ysE04L pfUiHrBRsLiyml9FTO95hg/JmjcgpMKjc95ZRpwjQy1JULN72o6F1bfDXgpehfvN BGjsd3km/Svl0SvaN4erNhLhj7aJO+NT5nocJzgFEECsh240XbRgZMlHh7ub75Kz dYkAuoxzsZir0T8e+aDIMqkmaDs1UrwiSqdHWenzIJBQYTVIiQdx2i9ZCUo33+Pz ILf8h2Va3mceMJKZtIdvi/O9q3d6hQ+1j7i0w8C/jQNhdiew5uJGK0ug8EaFhBi7 sQIDAQAB -----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 389255172617575715456205995758449204753561 . . . . . . . . [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 2023-06-20 01:01:27 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-18 01:01:26 +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 'itmmi.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 24878630171277639047279287933808782812155157483461694622547689543988483936406981777456163825849681467064832757561369387545781048060388973896684676061982404623377724046524665469469257150125926054422042122886777290728667638427320258500498235692533276788545671710484358661103469302200863917006948529328320218188687629814497186668269899879758265856938120500829430631396337688739219491622174646069369503395988034805236448443755403169698298218183650109754819947857144392451444865394665733083627490608869569582005232539180677012916395769222782458531321450974421699164071206653961241837682915676566189787618202581719852825521 . . . . . . . . . . . . . . . . . . . . [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) fc41c87cc5b2e17ed3b871ddbf36655d6d3bee59 . . . . . . . . . . . . . . . . [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 (28 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'itmmi.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.itmmi.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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188d68912c200000403004830460221008592d18770932f7c307bca0de626e20eccd9b488d8b5e302e71a0cff69b8fcce022100cc89f66e12be3dfa44badb217f45468e10425835a4bb27294fa4f455e066d2980077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000188d68912d10000040300483046022100c7aec0e527be9f51e25df70038c5612615093aa008608ff585311a19b3fe3125022100842f24ba0329846720e349f45844ece2653f57ac2bbeede744d7f61b823af903 . . . . [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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