router.gunnarhofmann.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cb:54:0e:ec:1d:e4:5d:99:64:26:5e:cf:89:9c:26:5b:49 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=router.gunnarhofmann.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cb:54:0e:ec:1d:e4:5d:99:64:26:5e:cf:89:9c:26:5b:49
Serial Number (int): 330525910913050159355265350876043529313097
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6f:df:1f:6f:4f:31:52:b5:30:89:c1:6b:05:2c:79:82:8b:4f:59:e5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2e:c3:91:a7:7f:e1:2f:50:a9:b3:af:e3:a0:8c:de:94:86:0c:21:a8
Fingerprint (sha256): d0:0a:ae:cc:5b:d8:5d:9a:29:f6:79:54:ef:89:f3:e3:4a:b5:bc:99:4c:e2:11:3b:14:f3:af:4b:bc:82:1c:ca

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 router.gunnarhofmann.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for router.gunnarhofmann.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

router.gunnarhofmann.de

Other certificates including the domain name gunnarhofmann.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for router.gunnarhofmann.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 330525910913050159355265350876043529313097
 . . . . . . . . [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 2016-04-08 16:31:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-07-07 16:31:00 +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 'router.gunnarhofmann.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 1009088057253511347734753606055971877728349766863983641175468204953310220738229000855031434866104467081914237700475370990152686150098841835323533507249845921483044205384111775272407164575849486167370619639299596519526502912870774989691613716667852221152468882626335734459465525932571347806576996402673223994029520296746478088730688286703797271698950950495921402311304403525974783677609946562179466942130560838924217333542330467976630939144318716194620290749322321048749672519440502831859032966242795470573834791827851392556469209122850653756272247871169748907544912151167422719038390944864897644183494394712747856314528426874757910648865829225245386216269486417445857910764509863357351033217349531316259982675503905470299804167814796537563383296903350620224234226627036658873221220024164042289851236565176697217588641787830821059367076444909354446584774833696497555917797001368623570108274250341024139974367354561633093752226854487673173570858592683289808119258118242356876334605175783674563953310895656908216212569372346021822589081439228613535199233499696548592037651487570283213933132039817825232688579640069342577673016768165521224941078289700843153138797686936686882045021738645466627801284262371353663238159474843777800242072721
 . . . . . . . . . . . . . . . . . . . . [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)
							6fdf1f6f4f3152b53089c16b052c79828b4f59e5
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'router.gunnarhofmann.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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