firmont.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:a5:fc:46:ed:fd:a5:50:b6:76:1c:27:f0:d2:8a:cc:48:c4 was issued on by Let's Encrypt.
With 3 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=firmont.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:a5:fc:46:ed:fd:a5:50:b6:76:1c:27:f0:d2:8a:cc:48:c4Serial Number (int): 404931068011740693079748468281562207373508
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 28:f8:56:02:a3:10:f1:78:7b:47:04:3d:e2:dc:95:c9:4e:b4:c3:de
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 3b:59:2b:fe:58:3e:7a:fa:b7:be:25:72:a3:78:6a:44:83:6d:6d:60
Fingerprint (sha256): 16:73:83:98:2c:5a:cb:f7:67:d2:35:28:50:89:92:3d:a6:b8:4a:78:4c:88:bb:f9:b2:97:45:2d:95:e9:68:3a
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate firmont.de
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for firmont.de
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
firmont.de
webmail.firmont.de
www.firmont.de
webmail.firmont.de
www.firmont.de
Other certificates including the domain name firmont.de
(limited to 100 certificates)
cloud.firmont.de
firmont.de
firmont.de
firmont.de
cloud.firmont.de
mail.firmont.de
mail.firmont.de
firmont.de
firmont.de
firmont.de
mail.firmont.de
firmont.de
firmont.de
firmont.de
firmont.de
cloud.firmont.de
mail.firmont.de
cloud.firmont.de
firmont.de
firmont.de
firmont.de
firmont.de
*.firmont.de
firmont.de
firmont.de
firmont.de
mail.firmont.de
www.firmont.de
firmont.de
firmont.de
firmont.de
firmont.de
firmont.de
firmont.de
cloud.firmont.de
mail.firmont.de
mail.firmont.de
firmont.de
firmont.de
firmont.de
mail.firmont.de
firmont.de
firmont.de
firmont.de
firmont.de
cloud.firmont.de
mail.firmont.de
cloud.firmont.de
firmont.de
firmont.de
firmont.de
firmont.de
*.firmont.de
firmont.de
firmont.de
firmont.de
mail.firmont.de
www.firmont.de
firmont.de
firmont.de
firmont.de
Certificate
The complete raw certificate details for firmont.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFbzCCBFegAwIBAgISBKX8Ru39pVC2dhwn8NKKzEjEMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODEyMTYwOTEwMDlaFw0x OTAzMTYwOTEwMDlaMBUxEzARBgNVBAMTCmZpcm1vbnQuZGUwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQDI6LzQTbjnGjh+nm0eXButMFqVc9AUfpxzO5lV Uot9Ci+zGtIZX8jaK/Lse6qhA5i59LSJQgmHwW6wYBcWoAeI+5KFzcLg3wljPwFU bXicVor6bC0LN07RjLmVwZqqJZSAtDBK+6vElNyrrpMFcRYyLos+hHvYNvFlPqsr /vIHsF//d2dfLA3qgloxjXakzYtSzRcG42qZI3/2jwW5jt3KLcdusxuHrDRI/6t2 hb5GJm/Km6ycWuq6/xShyEDM4AbzEbdzWVMj4yVzyedq1mwWRcH74YZVlAF3pDcZ RD1VnwIzUe0X5pjSKJDbJmHjw2Okj7J7ujhcuBx9T7wy4C2VAgMBAAGjggKCMIIC fjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFCj4VgKjEPF4e0cEPeLclclOtMPeMB8G A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAu BggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAv BggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w OQYDVR0RBDIwMIIKZmlybW9udC5kZYISd2VibWFpbC5maXJtb250LmRlgg53d3cu ZmlybW9udC5kZTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAo MCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisG AQQB1nkCBAIEgfQEgfEA7wB1AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQ e8xWAAABZ7Z+m4EAAAQDAEYwRAIgMjsIxDFbwFVrrlj/G/LJiL5reqp4ZgtZV4/t fCaVZ+ICIGmEmCRirY7RTkYE3qnHKV8XbI3pBrjLPAts1WN8Bn7bAHYAY/Lbzeg7 zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL2I0AAAFntn6dLAAABAMARzBFAiBpohr4 UCmDmtfscQdySFbJv4omRlg/fO9ZL3B86oSIgwIhANHF0tk5/XJIunymj34qT3re DZk+Y9eYUF4sAfPbtsuWMA0GCSqGSIb3DQEBCwUAA4IBAQBKbM40t/TsZt9LQl9R Tr0f0SArVkPwkYOwLchccLcYeOxgTAOl/0MZnv9WFTBN0yW4CTXO4gFcXKkA4b6V +I69ZbipEGNm9on6InGOXE6ucYE5dpGYtDFsxFj0sc39k0qCBPaR4GkQsZdDXibP vGbxaGPKt73i+hO6mb+htr0TmKyBNy2lLdUatTZ8QNzQp5AZtazcBlrNMJ5EzoeU 8vyABlMQo3yFM5MHt0tvqkYaYG9Hou1WWpMhfhY/JNAK0ZgsMO82Qme6+KyHjgMn 7uKdYcWfu35AU/Rid0GMCt126tzPKQmKiF0gUQcuruIh3ncamZJTlQj9r0oMkXjS BkuA -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyOi80E245xo4fp5tHlwb rTBalXPQFH6cczuZVVKLfQovsxrSGV/I2ivy7HuqoQOYufS0iUIJh8FusGAXFqAH iPuShc3C4N8JYz8BVG14nFaK+mwtCzdO0Yy5lcGaqiWUgLQwSvurxJTcq66TBXEW Mi6LPoR72DbxZT6rK/7yB7Bf/3dnXywN6oJaMY12pM2LUs0XBuNqmSN/9o8FuY7d yi3HbrMbh6w0SP+rdoW+RiZvypusnFrquv8UochAzOAG8xG3c1lTI+Mlc8nnatZs FkXB++GGVZQBd6Q3GUQ9VZ8CM1HtF+aY0iiQ2yZh48NjpI+ye7o4XLgcfU+8MuAt lQIDAQAB -----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 404931068011740693079748468281562207373508 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-16 09:10:09 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-16 09:10:09 +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 'firmont.de' . . . . . . . . [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 25362428158254030975820543132052096294646988258314570122716819226579748841301374360473428338156644424956121324880318044227985549532059026650696022901899904704642300344962913543284655779961248013275309774624382043817040575936854747906814284235691525104951250555108644209406881491564242757877949928344537494894955012721230504197661682527854998257623959715139327158691055684290320351599731886948167013286217391067483027669769084914402512495422186024102704322579118078442215428422468505822240301957473238067737934704177139486419510944976939998260355408925332163165315310311830745101540387953340326969148204472889006632341 . . . . . . . . . . . . . . . . . . . . [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) 28f85602a310f1787b47043de2dc95c94eb4c3de . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (50 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'firmont.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.firmont.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.firmont.de' . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [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) 00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000167b67e9b8100000403004630440220323b08c4315bc0556bae58ff1bf2c988be6b7aaa78660b59578fed7c269567e202206984982462ad8ed14e4604dea9c7295f176c8de906b8cb3c0b6cd5637c067edb00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000167b67e9d2c0000040300473045022069a21af85029839ad7ec7107724856c9bf8a2646583f7cef592f707cea848883022100d1c5d2d939fd7248ba7ca68f7e2a4f7ade0d993e63d798505e2c01f3dbb6cb96 . . . . [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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