firmont.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:ad:7d:a4:8c:e5:21:11:cd:5a:e8:cb:76:56:fc:90:74:f7 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:ad:7d:a4:8c:e5:21:11:cd:5a:e8:cb:76:56:fc:90:74:f7
Serial Number (int): 407485001098212083215329001063524393317623
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e5:ff:14:50:9a:b8:47:02:d2:b0:09:88:99:81:63:9f:11:38:e8:4a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 99:10:a9:ce:62:41:0a:96:0d:07:88:5e:3e:64:cf:f6:89:f0:74:69
Fingerprint (sha256): 41:8a:fe:37:ed:cb:34:87:2f:24:9b:2a:4a:99:41:9f:9a:2b:cd:df:94:0b:09:4a:cc:85:2c:40:0c:dc:f6:93

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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxw8da+ryJ6NWtDEWSw82
ofm9LAygBTBiEWBlWbGW1X7C6/XFcXC6VP2pIVgzjQRw0RmtzjwKerlSRPWnNvA6
81h8nQ3HfMYOPD2go7SSvFgHXrBzsjBgvCuIfTv2kspgWAYbnfJN9IBVzSvjIQk6
gQY6WLsuVIxOZkujvCpduIi/D96uH4zTXDz1+dQvXWACr5wU+dVetrMbD3JTRCSm
T3l9YBLCreefjXwyBQEqoUJ/MOEg/TQ9wrDWzst1euFH0ch5bn9etkKLV3ptMJvG
MgTyWM4LepN9x0WiB9sRAwpds37pf18VXGV9jJ5x9rIk6ha5Sfu0/e44PazuPpK+
5wIDAQAB
-----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 407485001098212083215329001063524393317623
 . . . . . . . . [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 2020-02-09 08:01:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-09 08:01:18 +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 25128876137008838667006494507666486230976362274502926994494771671488379610616462000879767369934389944335460336624320741050471474860810954597237177857052452753089604876943618939607884736921725840410563219365952354100935703869878498299429975356510318033776228340776138470612693817601806181162979366608181649738068228628532903130198920023621789340024832458291006743711659530058490266347920981254881423745183902753026465533686119347666676260441365768288276836598356916249929259622375099580233906351833090077569268399080921515746937437671471680655018568604277782341180796993484949620654350171084677491781922406602368007911
 . . . . . . . . . . . . . . . . . . . . [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)
							e5ff14509ab84702d2b009889981639f1138e84a
 . . . . . . . . . . . . . . . . [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)
							00f00077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000170292e810c0000040300483046022100fbfb14c82ee0d9da76d8f1f1b89883d432f1ff6a7b3414140f0933c83f6093a3022100daf73eebc3c220f8a04d7bb3472a234c124c9ac6a8fadfd76fbf5402a3af5828007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170292e82d40000040300463044022007543d4224ff1efe6d253f7311902e59532f4aa6b292dfa00ba1a043c4a6810702205dacbe565d85f21bf798eb25885f20185a4d56143257d490813e3f2042c4c835
 . . . . [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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