ediblemush.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3e:e2:d4:24:74:1a:85:be:29:d2:96:78:b1:5f:54:07:85 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=ediblemush.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3e:e2:d4:24:74:1a:85:be:29:d2:96:78:b1:5f:54:07:85
Serial Number (int): 282735871577725745923859717870584350377861
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 63:fb:64:5b:9b:5a:df:59:85:a8:37:41:5c:d2:f4:0f:79:f8:39:12
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 55:71:c8:8d:b0:5c:a1:35:0a:2d:c7:08:e2:0a:6c:86:ce:a6:70:4b
Fingerprint (sha256): 4a:e0:7e:c8:9b:7d:e0:40:2e:d3:1f:f1:fa:93:14:08:92:5d:79:9d:86:7f:4a:9f:20:09:b3:b4:be:31:72:4f

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 ediblemush.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ediblemush.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

ediblemush.com

Other certificates including the domain name ediblemush.com

(limited to 100 certificates)
www.ediblemush.com
www.ediblemush.com
ediblemush.com
www.ediblemush.com
ediblemush.com
www.ediblemush.com
ediblemush.com
ediblemush.com
www.ediblemush.com
ediblemush.com
ediblemush.com

Certificate

The complete raw certificate details for ediblemush.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 282735871577725745923859717870584350377861
 . . . . . . . . [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 2020-01-29 01:42:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-28 01:42:57 +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 'ediblemush.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 674444109236829171669659811978519520562787221479998462276293268828541111641813599174132698556818584465947854451012959473630380609313288800543040588099520061085426190711287685157195356385123329996132459553214232752099935155453760314254563551075302030486105090979028881589303055214850524029378571301339988050853912237154383864466271235919421278372293301150314099210850178864627879573999155258810806412370186506251603310044358242498885057191984681801847158105849420284148130533830044680950561404256332734065216101206190442313772102663932384553462291779876554607030124337005382732902026253875182555291331038810131564015920260795929908529196841231279585086896067930612482896367194824492936231066939700227206639794623816838796084103473404439312437666981540349620852004953256557430306891222239236459272921723504437044576946368844622593771585295359323973384637779955295186267821855075399253043507341555439583139049855591330674507550696971589949196085096957667823368788399008577144529998319695060290530820415837805609409483095198506187485286422871103667107775949613123970717553014358353329392718977209284726314733876483263183255106590816811933095466693872004804161780341842501937393285105005388321451686106700484358374693740590204596019631093
 . . . . . . . . . . . . . . . . . . . . [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)
							63fb645b9b5adf5985a837415cd2f40f79f83912
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ediblemush.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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016fef2e299e0000040300473045022100de32b0b95afd447f44c76f65548490408d243d40bb68a588da45e4472123c873022015f04686df3b01f0513321fa28a2a6741639fb4acccf9d00557b9d0d2569e21f007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fef2e298b0000040300483046022100f9076e1edbe32c9bd8c6dc6667a993167be51c9f5002c9d52ba18e2c7cfa9e7d022100c6725eb359831c41452afbd01e7ad33b1bbd7eea10ee9e0558b438048229f36b
 . . . . [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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