www.demecko.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e4:bd:03:8a:15:f0:92:6b:2c:07:f7:e8:ff:04:81:ea:b6 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.demecko.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e4:bd:03:8a:15:f0:92:6b:2c:07:f7:e8:ff:04:81:ea:b6
Serial Number (int): 339172479922059404442345114864416427469494
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 75:30:cc:e0:1d:3c:36:cf:ec:20:e0:97:64:f4:2b:68:2b:c1:9b:68
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 95:47:1f:5d:67:fc:f0:eb:d6:67:5c:65:75:07:4e:cf:20:5d:f7:9e
Fingerprint (sha256): 10:d7:0b:11:67:66:49:2d:0b:88:00:4f:96:1d:63:41:29:3e:65:6b:b1:72:90:b8:05:0f:7e:66:02:cd:8d:6d

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.demecko.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.demecko.com

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

demecko.com
www.demecko.com

Other certificates including the domain name demecko.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.demecko.com 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 339172479922059404442345114864416427469494
 . . . . . . . . [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 2017-05-02 23:08:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-07-31 23:08:00 +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.demecko.com'
 . . . . . . . . [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 764830332808482490494997124820755843127003001015155811840475992131047069579577105613636499053190220775309644683742992578544751007715584154565312958646962678151735799926115872056298445467194457089430497166457806121076283920254494750805782122364958496714896245817433588460659230486521637469645858646360002576610909750686867720181896438241732537749341259691048437612465669106768299530255537855855362439344162839814397600187230391338689906743171346592940171283711618941210192232723020927447967798022254880553023998488987094128950575172704143106225443071202464825836139693005743429348949588997032375370565485314793061208880256822398143835660368756457164965601569607355036856903081231937278066098666533056619596082473023139361796115575533175461884889526443734723697342462371145499293564593191006650940656115527156816671957081752417153523490244542141422905904146615739815338550139406285506462395378505328767446915536950332983501920741025295347217583196001752151840484693868654280943057245324591574905794203246819476086532071705786512390498043756392506979505772286170400160960629805871289807531971527024115382476487916848627151562438359456953396953555072038825028429916931365291194082747728727434948881584690844023216168329272275411007472097
 . . . . . . . . . . . . . . . . . . . . [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)
							7530cce01d3c36cfec20e09764f42b682bc19b68
 . . . . . . . . . . . . . . . . [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 'demecko.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.demecko.com'
 . . . . . . . . . . . . . . . . [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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