firmont.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:01:6a:44:04:e3:71:6b:b8:5b:32:2c:5f:e0:b9:dc:d1:a6 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): 03:01:6a:44:04:e3:71:6b:b8:5b:32:2c:5f:e0:b9:dc:d1:a6Serial Number (int): 261818391505090793191256515753522889544102
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 01:cd:c4:7d:63:a2:8b:7c:23:f6:87:10:49:19:9f:b2:9d:5d:fa:94
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 71:6f:ab:54:b1:bd:ed:fe:f4:f9:4d:39:88:6a:b3:41:8c:c1:94:29
Fingerprint (sha256): fb:2d:33:9d:76:9f:ea:c3:33:a8:29:d6:93:a5:f8:b4:b6:50:ef:e9:97:4e:43:0d:a5:53:4c:64:4e:1a:c7:9f
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----- MIIFcDCCBFigAwIBAgISAwFqRATjcWu4WzIsX+C53NGmMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTEwODEwMjNaFw0y MDAzMTAwODEwMjNaMBUxEzARBgNVBAMTCmZpcm1vbnQuZGUwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQCn0CEzEdgiULsMlNwPPPSLL2HYSm8ot2LHE4WP McxPAVonrwMCB6rjH25lc0/oPXFcbmr1EzE1MTUR4tSAnu0B+ghHvGFbBBrGdMx7 JVzXCd4R0MQKEALfk1fS2xT48csrBNiP1W2OLIFdbwibwtJ9LjcNDCqQp738BZ1l qF24xeijjLRX/l9FVzxATG85mixsQ+SrZ8ulb+FHXq9WFxx1il9jAvpVPl63URGW lP9uB/57gY/U02SC94xc4w0lRnD2C9AQQO3FWS7AbgpiV2rLPce2xcxDZiufD5El 8mob8ime0oOJPbcS1Q2Es9+L/l6OqeS9qTI+xpu+RWJU4yy/AgMBAAGjggKDMIIC fzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFAHNxH1joot8I/aHEEkZn7KdXfqUMB8G A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAu BggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAv BggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w OQYDVR0RBDIwMIIKZmlybW9udC5kZYISd2VibWFpbC5maXJtb250LmRlgg53d3cu ZmlybW9udC5kZTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAo MCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisG AQQB1nkCBAIEgfUEgfIA8AB2AF6nc/nfVsDntTZIfdBJ4DJ6kZoMhKESEoQYdZaB cUVYAAABbvQ5Q08AAAQDAEcwRQIhAL/ujnQmLUhTe5/mm79re3ohIhmnSa3K17g5 mgizq82zAiBhmr+bUwnhvi34l55ohigK4hCVANgbvfc12xH1OJFPIQB2ALIeBcyL os2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABbvQ5Q0AAAAQDAEcwRQIgawFd HvyMEAMrzgpvK5wpF0fUROTaxfPmuYjNUC5W//8CIQC65hBerFNVxcYjMN2Z9Kl8 YF4QhNZYxffS3E1CoA3xuzANBgkqhkiG9w0BAQsFAAOCAQEAnLe/Rr8bdB3zEFX5 iev9ovuWXS08JYZczA93Wj1iefuJgmi3kzC8IjjcHMIFewx6AJWa0BxpBWUkijo5 U0zx9SX5FtCGldolGCULLWxpYAOS0pFGoqEkpvE+zoO+9Rd1tOh7autapneBbR14 3JARSaw/7q6M6wf0x8gu6mR4BT7YQJvQ6U4FkW29ewzgbMZSEbt+/zXmbOentDkw HTf6if+jYtPP8XLpmOGFskJWqyraZQmM4aE24w0rMIKBOcEsby2APUXBPX9s2Zzs LntbhrUZJQbIimqUZwuvv8AXG0r42c2NeKyh9dxirEufUT5evu7LI7jZhLBmUPBM PJA+AQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp9AhMxHYIlC7DJTcDzz0 iy9h2EpvKLdixxOFjzHMTwFaJ68DAgeq4x9uZXNP6D1xXG5q9RMxNTE1EeLUgJ7t AfoIR7xhWwQaxnTMeyVc1wneEdDEChAC35NX0tsU+PHLKwTYj9VtjiyBXW8Im8LS fS43DQwqkKe9/AWdZahduMXoo4y0V/5fRVc8QExvOZosbEPkq2fLpW/hR16vVhcc dYpfYwL6VT5et1ERlpT/bgf+e4GP1NNkgveMXOMNJUZw9gvQEEDtxVkuwG4KYldq yz3HtsXMQ2Yrnw+RJfJqG/IpntKDiT23EtUNhLPfi/5ejqnkvakyPsabvkViVOMs vwIDAQAB -----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 261818391505090793191256515753522889544102 . . . . . . . . [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 2019-12-11 08:10:23 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 08:10:23 +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 21184429502426063386027079717688254456986717989617587547262269467778215003637172520171105032784672378080328716793902083539822032017097135147562895841399776857823377489818090614491957698976070852528935802818346669728573536912335120776794130070772832680787186500079128377755845474582120390745814080334725124971094717648246612579302175066153856506596400215826151067891694300363969401107325334499208625741220002593411548823271017849638791422701942016433711850788031118854621702371447966061727284322037961335099032322193430540185145372740818754118100977066844654764911836421097306591774282644658152321493493056730485173439 . . . . . . . . . . . . . . . . . . . . [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) 01cdc47d63a28b7c23f6871049199fb29d5dfa94 . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ef439434f0000040300473045022100bfee8e74262d48537b9fe69bbf6b7b7a212219a749adcad7b8399a08b3abcdb30220619abf9b5309e1be2df8979e6886280ae2109500d81bbdf735db11f538914f21007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef4394340000004030047304502206b015d1efc8c10032bce0a6f2b9c291747d444e4dac5f3e6b988cd502e56ffff022100bae6105eac5355c5c62330dd99f4a97c605e1084d658c5f7d2dc4d42a00df1bb . . . . [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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