firmont.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:d8:a9:c2:d3:96:87:77:64:81:ef:73:dc:33:87:f8:5b:23 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:d8:a9:c2:d3:96:87:77:64:81:ef:73:dc:33:87:f8:5b:23
Serial Number (int): 422175786110356476794439249991103401188131
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: fa:b0:cc:f4:72:48:e2:c0:07:2d:b2:2a:5b:8a:71:e1:ce:c7:83:b5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ac:1b:46:52:cb:aa:67:d6:ba:f5:7a:3a:13:62:d9:61:7f:69:83:87
Fingerprint (sha256): bb:64:3d:c3:55:c4:21:95:8e:11:55:ed:05:17:8a:2c:3d:36:e7:f9:69:a6:05:8b:ed:20:95:fa:ef:28:98:38

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check 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

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

Certificate

The complete raw certificate details for firmont.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFbzCCBFegAwIBAgISBNipwtOWh3dkge9z3DOH+FsjMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MTQwOTEwMTRaFw0x
OTA5MTIwOTEwMTRaMBUxEzARBgNVBAMTCmZpcm1vbnQuZGUwggEiMA0GCSqGSIb3
DQEBAQUAA4IBDwAwggEKAoIBAQCnJjWooal4uIE7W3Cgupr5LJ/0E6x5YFaM+0Z9
phmW19hB1AfzSl0DcXWi/L1e1BoE4QBrgEMUKMXcZLnCY8Dha1W3Lh4thp7KppTh
oqH7hQe+L3HB/ZP2BOndF22hnKalFsNESpM+4PVbOCQn7G+6ax5Pai5paF8JIqJG
iXoM97PYNMylMo41VdbToTJynVjWwjeyr+H7ZLetAEqj2an+S+kfuOza0yeIirTI
nOe7Aev/RDF794wVMRGEYyc74q325SYmJOKFLIKSFwQdteulEvI4QgEPS9XjF43n
svKxwr/baOdWBOeQN8FJCzHHOg+WfQO8sTlukgyLSkixbGShAgMBAAGjggKCMIIC
fjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC
MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFPqwzPRySOLABy2yKluKceHOx4O1MB8G
A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAu
BggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAv
BggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w
OQYDVR0RBDIwMIIKZmlybW9udC5kZYISd2VibWFpbC5maXJtb250LmRlgg53d3cu
ZmlybW9udC5kZTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAo
MCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisG
AQQB1nkCBAIEgfQEgfEA7wB1AG9Tdqwx8DEZ2JkApFEV/3cVHBHZAsEAKQaNsgia
N9kTAAABa1V3XiUAAAQDAEYwRAIgVQa8erJ2USj9mafxW2fzzHTBPk++BdunzdBO
hLJC0hACIHQ9l/t87xmTqZxqXhJgoFSWOMlDpMpjxp+6YbqJiUIqAHYAY/Lbzeg7
zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL2I0AAAFrVXdfagAABAMARzBFAiBxPrQ7
LD0mT5RZq4HUlhP6dOrGSlQ7FbwRdUt75Xg2ggIhAPTFy66Kj9fKXOvqgKR/Q2gc
y7HBgpbzly/sKB15xazvMA0GCSqGSIb3DQEBCwUAA4IBAQAujix3WdbHtRnpE8/A
mWhboZ35iBjEX8mWSLRuGhEKNrBQUpE/thXuD4O06f+GxLXR3KLHeKYgCIQNvIl7
5HRmJr5YeoiawnCA6cYxvidOMT/oC2wmNywke0SAbTq1E2tONdh5wGH7tFY5okKl
QGg6VXVQaBsrRhEV0MG1Egwki1iPe/aGbvh1sska9GdU/a15DDOOhrxE+UUI2PYT
MHXbixIkQ9SlSLdd03H7+MCTUh+Ikn1ogESDfVY3bwL66tvVk6DmB6z86F7oO/i3
4er7VYI+FBXzEITrD15YrnoUW+i2hLqU01nNN2ujB47NLGLAN5al/E0kE+6S1HRc
eptx
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApyY1qKGpeLiBO1twoLqa
+Syf9BOseWBWjPtGfaYZltfYQdQH80pdA3F1ovy9XtQaBOEAa4BDFCjF3GS5wmPA
4WtVty4eLYaeyqaU4aKh+4UHvi9xwf2T9gTp3RdtoZympRbDREqTPuD1WzgkJ+xv
umseT2ouaWhfCSKiRol6DPez2DTMpTKONVXW06Eycp1Y1sI3sq/h+2S3rQBKo9mp
/kvpH7js2tMniIq0yJznuwHr/0Qxe/eMFTERhGMnO+Kt9uUmJiTihSyCkhcEHbXr
pRLyOEIBD0vV4xeN57LyscK/22jnVgTnkDfBSQsxxzoPln0DvLE5bpIMi0pIsWxk
oQIDAQAB
-----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 422175786110356476794439249991103401188131
 . . . . . . . . [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 2019-06-14 09:10:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-12 09:10:14 +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 21100638787488544279755788946931384544871499455685629910637374880700078848259394080368257278890408011266420463269367033224778411263824452763858399761000876206540059754559056327058824549243115445000203910368482114883651640742114354824978982162747442131724486793668725918371537256305035798962452270695747749653412487726897587342204578162804973108868594375720561284661648727837231629961092416017758796809483904470559189595295044002107238415297085197237474503018276661962685117092899907174686918079478264658956965232762046730858508006504202700149590556446505482133686843540365615061414729073197355124479892447473200555169
 . . . . . . . . . . . . . . . . . . . . [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)
							fab0ccf47248e2c0072db22a5b8a71e1cec783b5
 . . . . . . . . . . . . . . . . [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)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016b55775e25000004030046304402205506bc7ab2765128fd99a7f15b67f3cc74c13e4fbe05dba7cdd04e84b242d2100220743d97fb7cef1993a99c6a5e1260a0549638c943a4ca63c69fba61ba8989422a00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b55775f6a00000403004730450220713eb43b2c3d264f9459ab81d49613fa74eac64a543b15bc11754b7be5783682022100f4c5cbae8a8fd7ca5cebea80a47f43681ccbb1c18296f3972fec281d79c5acef
 . . . . [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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