rt-forum.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2c:7f:d4:27:28:a6:2e:52:db:c8:d0:db:63:a5:32:05:a4 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=rt-forum.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:2c:7f:d4:27:28:a6:2e:52:db:c8:d0:db:63:a5:32:05:a4
Serial Number (int): 276479195456435257588068337642785154925988
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 12:1b:d8:66:6f:d5:81:07:13:ad:5a:ad:13:7e:54:c1:a3:c5:71:3c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bf:1c:d2:19:48:49:1a:b6:0c:62:52:83:03:a0:63:0c:68:0f:2f:6e
Fingerprint (sha256): 3d:86:28:ee:c0:e6:32:39:74:3d:f7:ef:52:2e:46:4c:e8:1d:3e:b3:06:1d:bd:75:88:4a:c0:a1:80:3c:67:ed

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 rt-forum.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for rt-forum.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

rt-forum.de
www.rt-forum.de

Other certificates including the domain name rt-forum.de

(limited to 100 certificates)
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de

Certificate

The complete raw certificate details for rt-forum.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 276479195456435257588068337642785154925988
 . . . . . . . . [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 2016-05-06 10:14:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-08-04 10:14:00 +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 'rt-forum.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 739313991857963857304661949406859980160458290617427619972082616150097316502368284748988430130857173868295500488282361710655665412559729871837621556367510471062488516911961450851684829074644482704927029932668328607693450105884135864994821034852772719295082136297953750181633177037994077608781257083662789434774870042280590673929272679746725456986186436201033969733552778276673640671050240173259873004255256228315231482445901181930849948509574184809828997530956087292645834973182051971781511665951362414365645846482413955364507900919669419309063064135243717746870050141205602231751163356850453620091199194958126034306610546199723869778705006872974361841621291345269038437877390554195206440476898187440458123321086878271621916015508371835266222836554400806394235089372170327331383513540851330601796346927248067048811161407442669803022099667394199426438078661066308243963737826846099202910635207331219068022885920803242442378602912447476029257042365766210651768982344008063657610348399143552584457346908629621999856834783086768434910633830912633799033353857522720540200761694491322203121984561004630944992798790667734380137901883523049131178928662964790829311114442027605638438011930381031327575386608124649075750706356828045584486940983
 . . . . . . . . . . . . . . . . . . . . [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)
							121bd8666fd5810713ad5aad137e54c1a3c5713c
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rt-forum.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rt-forum.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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