mail.fetla.de

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:6c:b2:64:f2:8b:21:93:e8:c6:f4:a7:0f:7b:02:7c:4e:fb was issued on by Let's Encrypt.

With 2 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=mail.fetla.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:6c:b2:64:f2:8b:21:93:e8:c6:f4:a7:0f:7b:02:7c:4e:fb
Serial Number (int): 124099908291523399698673769498660015197947
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 7c:8a:90:56:df:3b:ec:67:ce:e8:8f:f1:65:71:97:72:8a:39:d7:78
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2d:cc:b4:19:2f:05:aa:42:a5:03:d2:17:5d:ad:a9:45:7c:67:0b:3e
Fingerprint (sha256): 2c:35:27:ae:55:0d:b4:07:11:f4:03:43:a8:1a:32:96:da:d8:cd:4c:f6:97:4a:55:0f:3d:0a:14:49:e8:dc:79

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for certificate mail.fetla.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.fetla.de

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

mail.fetla.de
webmail.fetla.de

Other certificates including the domain name fetla.de

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 124099908291523399698673769498660015197947
 . . . . . . . . [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 X1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-18 10:43:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-17 10:43:00 +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 'mail.fetla.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 745004511585776851461541622994655181292712084251269884912872899644254958296762942187938790625045582140506295035794934384197472394386080652728464289123971682921044810304771273482876271479819920598641719204630951874069244042684757886975634761718969306318060899997175290053453121863935814024569933103437831394508180427984862283959383572171537032681301802390830791241700295935713838384483004298733514516721822846306649909327828507028893313288623526481659007931040179665866172200334776847191325746989011103958827334566917805717976615738606022622977051868133985493232578095919949932695405234956789116589840590874123840697081997706251021660241146772636501099647200894485649037816967025990397837652541892928566199318155405140426339925171744580768664757059021266971690781784956651658913019402749631649820804191818445253641104838800251400827629871573629742869557973816281330736852952075461889969084410258527339868826620659974745871571588411151333139183860209663114842257136431699157518911810630622392048735816186961216234130144811364150436017930245643689973812760349631666285311691210388075971520437610333746664741856553390277603904489124239584835913433446850931585865232108721755720811079167069782862457297827158755082513244253920378526491141
 . . . . . . . . . . . . . . . . . . . . [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)
							7c8a9056df3bec67cee88ff1657197728a39d778
 . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 (35 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.fetla.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.fetla.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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