www.dykco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f8:ef:8c:04:08:31:52:3f:8b:e2:1e:a6:94:72:62:4e:7e 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.dykco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f8:ef:8c:04:08:31:52:3f:8b:e2:1e:a6:94:72:62:4e:7e
Serial Number (int): 346045297286004996560489335502758446517886
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 62:2a:e6:94:10:08:6c:b7:5a:3f:ef:e5:a3:44:49:95:9d:af:0a:fa
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bd:0b:97:65:78:ba:db:b1:86:76:bd:4e:0e:18:eb:96:33:b4:06:d2
Fingerprint (sha256): 6e:1c:48:4e:1f:27:8e:f3:cb:8d:9b:89:74:be:7b:fd:ed:1e:05:9d:a6:23:a3:98:25:cf:51:e7:af:b1:cb:7f

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.dykco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.dykco.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.dykco.com

Other certificates including the domain name dykco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.dykco.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 346045297286004996560489335502758446517886
 . . . . . . . . [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 2019-12-24 07:53:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-23 07:53:56 +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.dykco.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 843014539323912749287782078923418700437717644448985615800049198124159253917556356511963464782490168797819547099017463479826033507844886110430751035112082849009191666411031388314252540164475353350908724757947809183568020104421978351424968087509906704292255353229953208858673537086494484733301573691436110468170319482805997038044693531779963483474598375754122647576134142272546462843844464450238481027820580375516782791902637326227228292566018947737237526407069421897018767898003696276939544990232211123075110358781606912745152944842079434047363337932646516559720141310006900741237106945844582295331628546004349731738244763901643648840741025580591020024036199216654270009177671203433768717225319093547115626847670916583101406912640529522506174091616567742882179814970259240066691687961576943746451536953663212071041162161510033221040502357671907910743106046837036615857469848321368512142442578188264539357975896554776374001872979328694541850381155912712640293349714671550203224303197445505347024596251945938883571418010140902581776723338124435779206690193176201353947414941167326069719018008829705613605954270465486770769451024805377630904144960695800809795306723187307793634870064234933351151870352744538457972688773791969793032893753
 . . . . . . . . . . . . . . . . . . . . [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)
							622ae69410086cb75a3fefe5a34449959daf0afa
 . . . . . . . . . . . . . . . . [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.dykco.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)
							00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f371cdda40000040300483046022100e996fb62a42dd2c4bd21a982fb2d8507b2164f1877fdd29d57e04a85cdf0f54b0221009ed1eb9b2cf4f40fcc1fa920f930b8598630cbb232568bc4c2a8a83a601e38150076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f371cdf740000040300473045022100a700c1e99c4d16ba70b7bbd384fdf571e1728b94dda42563f146c201833b215302207e8753c5dfc6b0b0c63b07690b77a517061fdff071839fc43ca12df1d6e155a0
 . . . . [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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