www.dykco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:28:dd:51:fc:9a:2f:80:8b:fc:e4:80:b4:dc:5a:55:d0:d5 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): 04:28:dd:51:fc:9a:2f:80:8b:fc:e4:80:b4:dc:5a:55:d0:d5
Serial Number (int): 362354623490375591200438389337355179118805
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 80:ea:98:ad:41:15:44:bf:90:dc:ee:87:91:c1:18:28:8c:f7:e3:67
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4f:fb:d1:e6:df:14:da:08:0c:f8:e3:57:b8:ec:a3:f9:69:03:91:01
Fingerprint (sha256): f0:6e:b0:5b:7b:e9:ab:d5:86:44:7d:6d:2a:76:bb:4b:b4:d0:27:b1:15:32:22:a4:0a:14:c8:84:c7:a7:5d:0d

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

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dykco.com
www.dykco.com

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 362354623490375591200438389337355179118805
 . . . . . . . . [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 2019-10-13 08:31:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 08:31:24 +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 821833979782140202778020572247023450225745771246884796074428513110444856447791039398844784075616716753112754652249956076936175906733621988811470912693459522134636798291925319089755753483302824025644724575161598028145657637719030854676605395138099284656751681807860757774751697524727163070696807779976543379660002203457365528907407578152423043283377753607441871628367031362127570277938678816973043692968394278181458969342405452444776050429804046483863764344381062163533153842553967150922611138032617336131424172728335267189892317463547516801845695097764397727504687652125327331103482008130967571901000150295451850016588401218594751973394821974274202893203742647770849210390641997045607589343907693041408259875362591768759299505032649513404607776804362985895729878011113410140735740330117284511506046792717929734123808481270168484932098559008761145543598394262361259881549111697808905275165317294264896700320019210450237185822934140215167012045475507310492008195977102837658887598614294392647612549970500519270307180840617493420734919783049911214174887918168900050198660541525795535855668640004622945436620859297435113241153575926244606566928771607067455987662231214028373518381652698573805654482029753238551097520809211536276800063361
 . . . . . . . . . . . . . . . . . . . . [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)
							80ea98ad411544bf90dcee8791c118288cf7e367
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc4754b51000004030046304402206c3f21f6de2aaad9f6d8a27ceba038ebb91f61cb535a40f04494ed1be416228f02203a2c3ed7c56e2e7927db99a3724cc5ad7e7bf760110f8d51b375b52d971d8f40007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc4754b5100000403004730450220649373e927f2dfc281c6fa6924d8132feeb0976f560891134474264309ac02300221008ef0b696d8c35d344d4026965cb26265c629de9ca8c74545f714b6679c4445ac
 . . . . [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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