www.ddfco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:52:6e:87:d3:f4:f8:da:67:8a:60:fa:86:99:ba:ca:bd:b7 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=www.ddfco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:52:6e:87:d3:f4:f8:da:67:8a:60:fa:86:99:ba:ca:bd:b7
Serial Number (int): 289386932221407051232821400566048855080375
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 30:79:64:bf:56:35:14:8e:20:cc:a7:84:37:95:d8:4b:be:2a:b8:b9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cb:f6:97:be:93:b1:f0:6a:4b:b8:95:95:37:87:9e:66:52:e9:06:38
Fingerprint (sha256): 4d:1b:58:25:57:35:d0:ad:82:2a:51:98:7d:ec:98:85:1e:3f:8e:3e:25:9a:57:fd:b7:04:9f:4f:1b:6a:d2:61

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.ddfco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ddfco.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

www.ddfco.com

Other certificates including the domain name ddfco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.ddfco.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 289386932221407051232821400566048855080375
 . . . . . . . . [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 2020-02-17 07:18:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-17 07:18:56 +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.ddfco.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 817902558154288163263845520111190812018912651067183858380809941269791243887974075484280257478771111155872211779293699350707984388594967627527380611261605051986492500270202664019745280059639227126993180549190978705080616190697512078771574335229456622494499447200410954173359701088179731534646529950053126519635357512844512299865649869465286091041617244817327554788396544039508878168007967862244018503123967232225288948530488413159424560722437892366701063748824948782438864031891707933694488892783198229884497856145115109087854422739362743568497129540310470028869543465946349283790263046836579310947111497423481777208204253466496456124921233794606289581927994371189849410678002010631311243120017064253205730102997679913970343876748483228018956122888356889047161555973875149621460705644349735908383221171311788786550509003620724131932830035020821161973521362773312979132555132556687030228071570752236852321946276821162364431301555031532334679173784775442885287268601630395324617696983584226765770807922366462585673632567995237789758246884260732422865037407995935721556377997306795387871331421989639537583077837650807926545600881976573213051031845498229262217203540891555611778639883302306171827164227677013926581633305422860506112910083
 . . . . . . . . . . . . . . . . . . . . [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)
							307964bf5635148e20cca7843795d84bbe2ab8b9
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ddfco.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)
							00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170523a98210000040300473045022012472fa5d1c9b975bb5a1bee5a1b69d754b3840552b44191fda245e3a1fe44ba0221008b8345c44a730766c7a012afb160d9b0c44a568358c425171ea577ed94ca8995007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170523a98180000040300483046022100a60e5f65d5d11113ecf227e19f514c93fa899f52c5bde1ac1268778c138f652c022100eb172d7fc530972908b2a9877f3dca2acd2e067f95dfd0af17a63a803d4c620f
 . . . . [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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