dykco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:12:64:ae:53:91:6e:65:a9:77:0b:3c:5e:3e:8c:52:b8:44 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): 03:12:64:ae:53:91:6e:65:a9:77:0b:3c:5e:3e:8c:52:b8:44
Serial Number (int): 267595768354051755850031197402948466554948
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 19:17:54:46:e5:10:ba:7d:1b:8e:00:58:63:0c:af:3e:6c:92:14:69
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9a:48:ed:30:b5:e7:47:95:09:6f:83:b0:4c:5d:97:5e:0d:0c:7a:b2
Fingerprint (sha256): ee:ea:2b:5e:3a:3f:51:b4:1c:5a:85:89:87:1b:e0:5e:41:5b:e9:17:85:db:c3:ce:53:57:9a:c3:d9:ae:66:6e

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 267595768354051755850031197402948466554948
 . . . . . . . . [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 2019-10-12 08:51:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 08:51:16 +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 911069316602106219050472110913302642648705438903602857081177542666025249781220163799878260485751257635921695492796822283794660203381544229321575946202319984800850612226016331665246782169209468045441013964518074909052592976213966476928690265285259533480850640851849058155175446930876127999596614456635506775889496742038023511369474855182823298496086067847481986791894567521149622196672054192523527110899597980044173396141947623168875510386438108358912220000298628724341098506479671748353293301541139896904768041566659483598344088943831625685810201670885568273040528562020548666584633192819830135240681337139178290991330686196768607864043431910317189138300873305733378080401047791976100111988787878081179188916201739877857058182126758815582686258248329930616745802921998492664976660185326766764497184381479509148574089578244330831951228483473263792346567801589565542168952640144674617983864043337569158484039900728713859279845773787007759793055775119458449365108586539641922041095919950029859532997585435084664330588150854333984038797048924920810365003339044802023653356695963872547157769612972076874224291676196595393056766584130784577242987884265326902002940824553308730608207833234020306865086556344508862350509259381553435148708059
 . . . . . . . . . . . . . . . . . . . . [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)
							19175446e510ba7d1b8e0058630caf3e6c921469
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbf611e8d0000040300483046022100ad57354bad06e4f83b06a0682fa48c9b5c88352c5cd2cf79f4db3df0ce13334b022100d3db0938ec89956df5e925a6caebc931f5cfcd2464bbcbdf3191e62ca3f8dd26007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbf611e99000004030046304402203f4bffdae5ffab9b0ae8b7278d1f8a91b8140852a4cec8159336171d1944f00002205efea2a89f1738120399ff10a6e199aada38976ae06b74568e3d4e1cfdd73411
 . . . . [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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