am-fi.com
Issued by R3
About this certificate
This digital certificate with serial number 04:f7:ae:b7:aa:79:05:1d:de:a1:9a:5e:f8:6c:47:ce:68:7c 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=am-fi.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:f7:ae:b7:aa:79:05:1d:de:a1:9a:5e:f8:6c:47:ce:68:7cSerial Number (int): 432731127675702298117544650618737722812540
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 13:d3:8e:47:0b:bf:8e:d2:1b:54:8a:3c:c5:d6:81:4b:4e:41:b8:96
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 2d:08:b9:35:0e:9b:57:87:df:ef:78:8c:3d:6d:c6:61:5b:05:03:c6
Fingerprint (sha256): d6:5c:ef:84:ef:b0:4e:bb:50:42:5a:19:54:65:c9:18:6e:e6:e0:60:e1:ec:ff:69:b9:a6:41:b1:cb:b2:37:fd
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate am-fi.com
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for am-fi.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
am-fi.com
www.am-fi.com
www.am-fi.com
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Certificate
The complete raw certificate details for am-fi.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE7TCCA9WgAwIBAgISBPeut6p5BR3eoZpe+GxHzmh8MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzA5MTUwMTIwMTBaFw0yMzEyMTQwMTIwMDlaMBQxEjAQBgNVBAMT CWFtLWZpLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAPYf4O5o vy0mobFV1xqR6mcE1gEC8DytGkDETSRSHIi+9u/YwO/Q2QjDTSBoGApaIGdOvFuh RkFe6anj+K/LeboMkMfeuRRXZpfRcZ0ox5pdEEXISuvefREtgkGDS6RO3woqQrMs Wo6JJeQq34Dw/8SsvCX0/I4HrL+W58fSFawTEZ4P4SqQ0F2XoSEXFa55f70ZUL6G adCllAwVStaAs05H3lqdLZmNG0bsKxDk+wz+g/fbxHbi8JM/0SbMZu3FFizbaDxQ slWjgnOll577j2SYHrR2beTkHb+jFy7L7+Nj4I8906gIi1WFaZVAdpWBDkF9iGwG 8mDcI3HR01G7nH8CAwEAAaOCAhkwggIVMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU E9OORwu/jtIbVIo8xdaBS05BuJYwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+v nYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5s ZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wIwYD VR0RBBwwGoIJYW0tZmkuY29tgg13d3cuYW0tZmkuY29tMBMGA1UdIAQMMAowCAYG Z4EMAQIBMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAtz77JN+cTbp18jnFulj0 bF38Qs96nzXEnh0JgSXttJkAAAGKlqN6LgAABAMARzBFAiA9dVQ5fyF6+rnTPHZA UfTFo7CyL4mn1q0wCWTbs8TTIQIhAM08cvSLw4LHBHcJY57oWdR8phbg/jmzkr+T bJCSfQGcAHUAejKMVNi3LbYg6jjgUh7phBZwMhOFTTvSK8E6V6NS61IAAAGKlqN6 QwAABAMARjBEAiBSzTUxuSo9u/2KZNfgRLZXKTIyroIVcsd/WrVrbD7+YgIgZR5L kwWORCi9xaMW8fATHZSmtl42qFjLIiFhu46UgtwwDQYJKoZIhvcNAQELBQADggEB AHHOuJryNt6i3Zvl25LImMmXWWdqXKQI93KPNgKZycLqdSFok0cuz312jmqc/tVU 7keLbo1Efc86R1ZStCukTjWDwrKx7juq0oY/zBUw9MSu9/4FCWFr5EnNyyZdYQAP zmHEVStxUWujAjMbY/WkDbihARccflJifl0Ttje0JTo4BckBFdlPYZ+kFQG/Ez6u LmGiAs8NaN32pmjChxarpuxYM5iHVCf9c9pibUKX4Y20+sWmzcHhTAGHK39O5vW/ cUvLMTegAqbnroAy9e0c4amPPC3bGE5SqW9O57eCceemU1ljyjrJdXPl8oeme1cy /cO4SuZofTPUibCFuV3uNu0= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9h/g7mi/LSahsVXXGpHq ZwTWAQLwPK0aQMRNJFIciL7279jA79DZCMNNIGgYClogZ068W6FGQV7pqeP4r8t5 ugyQx965FFdml9FxnSjHml0QRchK6959ES2CQYNLpE7fCipCsyxajokl5CrfgPD/ xKy8JfT8jgesv5bnx9IVrBMRng/hKpDQXZehIRcVrnl/vRlQvoZp0KWUDBVK1oCz TkfeWp0tmY0bRuwrEOT7DP6D99vEduLwkz/RJsxm7cUWLNtoPFCyVaOCc6WXnvuP ZJgetHZt5OQdv6MXLsvv42Pgjz3TqAiLVYVplUB2lYEOQX2IbAbyYNwjcdHTUbuc fwIDAQAB -----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 432731127675702298117544650618737722812540 . . . . . . . . [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 2023-09-15 01:20:10 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-14 01:20:09 +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 'am-fi.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 31070342963857223649290796218939755828702836887740140424517147600893681040477979398125479177931560484533207438905617208190633096869034286042711280708579941949236023726918826925894974153091754424736560913372189786325089162078643293009162863004401252256055658288986532503276143104238363861413148808340802302653286936770272571612295390671783408261041050111811685764403431183677215995662357994934719849454071518605342701565221448337671499344634044138125042886361561929181637926765423530958091457345656172620969256810805953370167285568809509137691857576766398012114160346819984677753168899754540945323599293266240638524543 . . . . . . . . . . . . . . . . . . . . [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) 13d38e470bbf8ed21b548a3cc5d6814b4e41b896 . . . . . . . . . . . . . . . . [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 'am-fi.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.am-fi.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a96a37a2e000004030047304502203d7554397f217afab9d33c764051f4c5a3b0b22f89a7d6ad300964dbb3c4d321022100cd3c72f48bc382c7047709639ee859d47ca616e0fe39b392bf936c90927d019c0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a96a37a430000040300463044022052cd3531b92a3dbbfd8a64d7e044b657293232ae821572c77f5ab56b6c3efe620220651e4b93058e4428bdc5a316f1f0131d94a6b65e36a858cb222161bb8e9482dc . . . . [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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