mail.fetla.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6f:3d:5e:c9:d3:5a:01:b6:06:09:1d:2b:31:9b:6b:f9:b0 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): 03:6f:3d:5e:c9:d3:5a:01:b6:06:09:1d:2b:31:9b:6b:f9:b0
Serial Number (int): 299189775600661819870237802221636405688752
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 14:b2:b5:00:7b:e6:18:a2:de:55:99:0e:d7:62:39:e3:ef:a0:54:71
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3d:0f:53:32:f1:8c:74:3a:c5:ec:93:2b:e1:4a:84:06:66:a8:20:e5
Fingerprint (sha256): 78:fd:f6:49:30:16:32:2d:77:81:c4:5c:99:e7:3f:1d:d7:48:50:6a:14:d6:d7:1d:05:e9:7e:cc:d4:68:84:28

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 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 299189775600661819870237802221636405688752
 . . . . . . . . [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 2016-05-31 16:40:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-08-29 16:40:00 +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 929437879862171449864218546045837629044546340676953425470437570570335597537303106580465063043682315120809460746038550970377868916747714257488321046426845512227496463141678889121685611481519659664411606060243913768407120446391245044202884276439210305334456374337225147642338424224036653670369918223004160810806254258239584086183624580722156620100894503621274822898250442746402161458568102484075466715386394903568386660489153513264130864034832491725647202636603346838080656405616568371605472520005250860847803865984484804425602352627822478271740570698535396119319218342226394639602514562908036933521657772790941477015265318508105379675248248855532230458185217955457744553493431196240972776843168159851889262950962741218492342467785918339462140693227453058318703723526619039291978140094123506271852927105519130552949586414999126629734233829170379154843838555405800389364819530836169766571608830697244311687241995843591912001745638876091993883377289014101550793489573204129365123247263217659703628930690901548189664122453635093711732459649908258707574606086903762303299548075704032193120666580360101640099124721050986636839810978252279096277099631782398746498630468480399535614357867953200227544167570508903592389995356481743047496921157
 . . . . . . . . . . . . . . . . . . . . [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)
							14b2b5007be618a2de55990ed76239e3efa05471
 . . . . . . . . . . . . . . . . [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-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 (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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