dykco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:bf:f1:82:b9:26:93:6d:f1:c0:81:b9:4d:dc:c4:1b:b9:16 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=dykco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:bf:f1:82:b9:26:93:6d:f1:c0:81:b9:4d:dc:c4:1b:b9:16
Serial Number (int): 413764098509818081423062268295976375269654
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e4:94:7b:6f:36:33:dc:e5:fb:a3:df:1d:5b:73:c8:a7:96:7c:fd:8d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5b:83:e7:82:ae:81:9d:81:b9:4e:91:39:61:ec:5e:ef:2b:74:07:24
Fingerprint (sha256): 10:88:2f:4f:79:3f:7c:cb:82:f1:89:f2:5c:69:f8:c9:49:85:87:93:5b:bb:a7:fe:6f:6b:0a:e0:50:bf:99:1a

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 dykco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

dykco.com

Other certificates including the domain name dykco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for 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 413764098509818081423062268295976375269654
 . . . . . . . . [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 2020-02-14 12:36:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-14 12:36:50 +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 '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 798892344499977160882369792551953468458005399546280674109532269643523096439113176942746328593747282802260803134456481003603709306657776391024777890825761926635221719241525290213593661023060904703943846468925081229503554959994022253788937521203936520411583403525887655986366512091442492484849687949161730871203366944278489647749106475705812550257890602957769269711535146944067004826062330926291892353737724731695112713730225531864967956925069316104985942258564059464813997174954478614468452134558567698736716409986526840934378459405609195796073641608443464397293214039287888311160902362242746174012024249514417575992488474610092312232217763259076613576932421489564498088816865838537348624752749182540940131999359606028368280150081510949517634985076134833071929866403660363627154568292818105756994538149507764456679577726327105465555568929723058768340776702860768290678663096420386392036741446010513560593004340529108180899270043388054714092679017051161613469576862426700128805381759667819663031227842504934213728669074653931221060603364433353208878620912362607997051319143272914258301965267017410351731735228563884193326653978317545681680107260784228579032748339101457626675375284049736403241244608407831520970046552284800852355477131
 . . . . . . . . . . . . . . . . . . . . [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)
							e4947b6f3633dce5fba3df1d5b73c8a7967cfd8d
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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)
							00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017043ea8e79000004030048304602210081f360c7b2e8f7acb4ddfd524fd93c989a17e0a4c58a8d2d60f5bc1b074b59b6022100ebb89447ca6ba4ef9f7b645f60e72adcc0c8d96234a40be001504035f09bdfe7007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017043ea8e630000040300473045022066ea99cb2f425d4e12f115ad47a901e506462a1fd4ae08724bb0a274f7a795bb022100b0eb1700d995558a7c1bde2e250ce72c0ba1f4e53d3c1bd233f6dcb1b30941b1
 . . . . [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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