www.oltoko.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:9c:11:16:ab:64:58:c6:a0:68:f5:b9:16:5c:a5:5b:fd:51 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=www.oltoko.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:9c:11:16:ab:64:58:c6:a0:68:f5:b9:16:5c:a5:5b:fd:51
Serial Number (int): 401555907549408951504382672328195414162769
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 83:17:b0:89:34:9b:bf:96:fc:4e:7d:86:8e:76:ba:f8:72:b5:fe:29
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b5:a7:2a:d9:64:bb:23:ae:a9:77:5b:2a:ce:9d:5a:33:13:4c:ec:c1
Fingerprint (sha256): 68:9b:fe:6d:3f:43:75:21:1b:ef:5a:11:43:f5:76:98:63:a6:4b:79:a8:92:41:e9:36:ee:8d:8a:9f:d1:ff:20

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 www.oltoko.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.oltoko.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

oltoko.de
www.oltoko.de

Other certificates including the domain name oltoko.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.oltoko.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 401555907549408951504382672328195414162769
 . . . . . . . . [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 2017-09-09 21:02:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-12-08 21:02:00 +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 'www.oltoko.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 859406191331942948689566326547594391922033919375315051796498111195690182414662875990054925361681866047537638521668069450633767229337900483284070332152401238963841039404203797156135103716431525160520936646369295935296968094494129282461966574072226811802621751107920154530801947669335916195216994770494822074704672435327409608125730518815390624728598104907257650686208148350363597282908465259417049245614684772215881818977023137436994041275050282739163040301604052242404413412129129294668443814607685696168230593345309302126489730670152881012700976446179744337792499960775021312521633098789745117927787850778360340795946420575337209208760893781152888518297764091711256084413548858711309518807617076251684518330196218490348487393932827176080417679551569528194810447382379526305623941287170766298841308193933520257931998681337530958580457078570596450876371245095296308435505633363830165696784279028400692570538417171558835283489486253563858155509812901274416969049368294744953881045263810891465600333756457552626598268495179712481254458422887771185383070084539499095517814965070237294971520677686763167554006637998933223998195058393128971805680395959979844244871528777128577160059597954122915627163218310997671829255201337903225762223351
 . . . . . . . . . . . . . . . . . . . . [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)
							8317b089349bbf96fc4e7d868e76baf872b5fe29
 . . . . . . . . . . . . . . . . [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 (99 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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oltoko.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.oltoko.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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