firmont.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:42:2c:8e:1f:b5:1a:71:5c:78:74:32:65:c4:4a:ac:72:66 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): 04:42:2c:8e:1f:b5:1a:71:5c:78:74:32:65:c4:4a:ac:72:66Serial Number (int): 370967003924894552202845639192841747722854
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 06:2a:b3:d9:3b:92:b0:22:b2:8c:07:fa:1f:a3:ce:30:83:38:3f:7e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 2d:e3:38:31:ec:30:bd:56:7d:90:24:50:9c:67:d3:18:16:2e:20:3a
Fingerprint (sha256): 63:c8:58:e0:c7:f5:e3:e5:f4:4c:ce:69:41:dd:29:27:1d:b8:23:d4:2f:00:ac:49:66:e4:39:4f:67:bd:ee:3b
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----- MIIFbjCCBFagAwIBAgISBEIsjh+1GnFceHQyZcRKrHJmMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAyMTQwOTEwMTFaFw0x OTA1MTUwOTEwMTFaMBUxEzARBgNVBAMTCmZpcm1vbnQuZGUwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQCus73DgGyhY3f6IdDPYnEBjW8e2hjhvdprKyd0 27+DDh6CODLmaTJYQ7/FnXnjeZ5hBBUcsqaOTDH9v+UEhLj+5PG+hQ15x9Bys3H9 WKGisqmBgG+eY/GwQDnrN87CoYcMataZd08Ri08zA9DxjHlyttmCT2jSdtN9Sjec KpeLA7nmHDzYO9W1Y1BbDKvkUAfcefPBjgj2+FySV8bvKl+4CMHSMe9m0fG7retq sYGn+fBCGXZiqKvjAfVTDT8sDg2TCWLNvEINKp0n3YBimg5bkjUZdE/znO0sNQeN MJbYlyG28XABIu9P5phq/MZy0ABP/tF/nXZg4El62iXuftg9AgMBAAGjggKBMIIC fTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFAYqs9k7krAisowH+h+jzjCDOD9+MB8G A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAu BggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAv BggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w OQYDVR0RBDIwMIIKZmlybW9udC5kZYISd2VibWFpbC5maXJtb250LmRlgg53d3cu ZmlybW9udC5kZTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAo MCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQIGCisG AQQB1nkCBAIEgfMEgfAA7gB1AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQ e8xWAAABaOt8M3AAAAQDAEYwRAIgB3JrE+Y35bzEjMvyAKDdGWNPa30bNWqjwuAO MvUt3WkCIEBvoOxt8yZ4A6cgXfmX5YwGyRRUmCxHDw5p3nohsoZIAHUAKTxRllTI OWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFo63w1VwAABAMARjBEAiBp26rO TMKz1+4e+sLK3IJ8eFV42mGCDHjhVU6Ow6NSHAIgFQM/uv2BC5uEXX12uLWuWxph 5yUNKLMxKJ/RqG8O+RowDQYJKoZIhvcNAQELBQADggEBAJyHQuJOUY+LQy8M6q8j CvZKFxzI4ApndmuoNfGuOvt6CJKRZ7K+WsJxAo7L58slyzNgutIOZ5BytXCqjh31 DK/Z+b7Ldvi8sANo6m+RALaMkAF7I/LJk2tZ+Tj95fOo7CTOS4y4RP1JJCvob3Sn aKizHd3hZaeyZJMz95aaqjF4SI0YNWh4vVNjtB77+WRJsZ+vPXEGWLr/AySnfXrm 0VinSPxFm/QR+CIF5oSN+7VvCVPTcJHJQ7z+op40pAi3AJCVC1rv/0yCKgbzeFrC tKmc4JEcspmCPJYnFpRwjq4wIpOHrqHkXH2zvIQwIhLHjdnMx/JUrDHo0OHf/4l5 pgM= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArrO9w4BsoWN3+iHQz2Jx AY1vHtoY4b3aaysndNu/gw4egjgy5mkyWEO/xZ1543meYQQVHLKmjkwx/b/lBIS4 /uTxvoUNecfQcrNx/VihorKpgYBvnmPxsEA56zfOwqGHDGrWmXdPEYtPMwPQ8Yx5 crbZgk9o0nbTfUo3nCqXiwO55hw82DvVtWNQWwyr5FAH3HnzwY4I9vhcklfG7ypf uAjB0jHvZtHxu63rarGBp/nwQhl2Yqir4wH1Uw0/LA4NkwlizbxCDSqdJ92AYpoO W5I1GXRP85ztLDUHjTCW2JchtvFwASLvT+aYavzGctAAT/7Rf512YOBJetol7n7Y PQIDAQAB -----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 370967003924894552202845639192841747722854 . . . . . . . . [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 2019-02-14 09:10:11 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-15 09:10:11 +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 '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 22054098784978350714784344342943175274126004427657174979447132061884477854918203756417710489381404137574933665816533001414976290594890305711029188589228111472835389627910559837640583225862778567662281176785793002303955745062746436185557500211905587895840047393899257148719783555635067841882294434443036129462814866626687184953168960743880018808543273557893932407130110016829056434521138756804983933855268961021015250634854647948439225930364480372270505530283662169254410856511168183533230066471159898755957014398821767371552667455200883175069735335857832488545364656950561179706841412942683935968423123334508710910013 . . . . . . . . . . . . . . . . . . . . [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) 062ab3d93b92b022b28c07fa1fa3ce3083383f7e . . . . . . . . . . . . . . . . [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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000168eb7c33700000040300463044022007726b13e637e5bcc48ccbf200a0dd19634f6b7d1b356aa3c2e00e32f52ddd690220406fa0ec6df3267803a7205df997e58c06c91454982c470f0e69de7a21b28648007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000168eb7c35570000040300463044022069dbaace4cc2b3d7ee1efac2cadc827c785578da61820c78e1554e8ec3a3521c022015033fbafd810b9b845d7d76b8b5ae5b1a61e7250d28b331289fd1a86f0ef91a . . . . [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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