mail.kjg-fulda.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:95:27:99:f9:5d:44:fc:7d:63:f5:2e:bd:fb:17:28:ab:a9 was issued on by Let's Encrypt.

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.kjg-fulda.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:95:27:99:f9:5d:44:fc:7d:63:f5:2e:bd:fb:17:28:ab:a9
Serial Number (int): 312091569837465099188791547255788464024489
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a6:46:bf:bf:27:4d:3a:5f:02:08:49:54:6a:84:d9:73:80:b4:53:8e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ef:35:23:18:70:88:3d:2f:9e:7b:c1:d9:55:01:ee:5d:bf:16:a6:95
Fingerprint (sha256): 71:aa:44:a0:c1:38:3e:a7:64:52:a6:c1:01:22:9a:05:6c:cf:b9:fe:2b:dc:86:9d:56:4c:23:a9:e6:51:75:49

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.kjg-fulda.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.kjg-fulda.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.kjg-fulda.de

Other certificates including the domain name kjg-fulda.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for mail.kjg-fulda.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 312091569837465099188791547255788464024489
 . . . . . . . . [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 2016-08-24 19:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-11-22 19:00:00 +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.kjg-fulda.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 938067019556321061687713977683284143417978847698075190648375214412128664101452732345831209183087495159355994070588747585111490844183839068701959899401922854234475241514988598775851359525818476911614944155486784254268470377321540517808149292752078192774745233569888117654848194145476543367725578908112622956071102231662898514251647973585765100892814387391136375948686581875403445440750322098808741275046917725721948272169601449107489183320496471830440578297173523801095454585091941560734824746326543607740298789723915842165027221348079353907139778663053073892904987984406921396612430163209300922486111942031519776838800114436491182179244640542863111453554632241061435769601594578594908924988949036722357609952706704287580290664056218628366541732864498781230319684554629474733746589777179516496349368711943315214867768605455780757818220173719150012245228112329714657941219140599619125093052650838786281426438395654883728450109656629909299965195117376648149257852866644333005541753136653107467409924081746303038773488118808214762841572028105173304108547651942788805286044675434169869670170827820866651730979306784300618813600277310970381541817701216964297189912575562575019334543892034183310867995026208833717646544708814700116359136911
 . . . . . . . . . . . . . . . . . . . . [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)
							a646bfbf274d3a5f020849546a84d97380b4538e
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.kjg-fulda.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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