www.techlinkfordummies.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:fb:28:75:e5:7d:8f:e1:d1:de:41:af:09:55:20:c9:42:0d 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.techlinkfordummies.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:fb:28:75:e5:7d:8f:e1:d1:de:41:af:09:55:20:c9:42:0d
Serial Number (int): 433913799097380235031855254861605679743501
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 4a:bb:82:38:9e:d2:4e:04:49:a2:8f:27:63:72:f8:d6:da:d4:2b:f2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): be:8e:45:c6:fa:90:17:fa:26:3c:3f:72:b4:13:c1:4a:b2:cf:2a:4e
Fingerprint (sha256): a2:2d:f7:cf:fe:20:cd:c0:9d:77:ea:d2:44:16:41:34:25:c7:4e:bd:6c:38:28:c3:37:39:b0:6d:ef:e7:eb:db

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.techlinkfordummies.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.techlinkfordummies.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.techlinkfordummies.com

Other certificates including the domain name techlinkfordummies.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.techlinkfordummies.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 433913799097380235031855254861605679743501
 . . . . . . . . [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 2020-02-06 08:37:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-06 08:37:45 +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.techlinkfordummies.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 900856134737767287877506095687993346725747630502610740158250064040492180168483338124875472601420378999237142136336141236257451342559342508265800089444889824353603853813478719475622299852578793324465071949279101847101379547357507713780412556135015920815810626001591888218525554164281358304604087353408038445955040179914640285729430815780493017649251980029398882730535812228990540351962958934985854173935540033836022937120817716819165587977680764090186723366902721916258058574993282535487930567402953513940640662435579598127396637102419024998600259119563095270736583861492019802866888954855932544097428044301958217229736555763189255195559233193117613677160102513095904601508730209860605137828722772442571330713431245464991917092093471443027281131551557005302131584323574286645335666293145515839864869336003662758797685737890165678518957259986043133999273945222161414561881944926415687405530467000934854493429209500560361214202643101359476081765491724833855361901209222682649062986882563084158488742964200020036451551603537291339745257338791597220996302746169974548645011686530776182827395550138984039058627746949618381420832243607464962847254702007318077164186965151327463904365723826109551255104855470679031569929736981652888803891751
 . . . . . . . . . . . . . . . . . . . . [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)
							4abb82389ed24e0449a28f276372f8d6dad42bf2
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.techlinkfordummies.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)
							00ef007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017019dccc0300000403004730450221009c0cce4c5ca5b5dad2a95e41c542f7ea3ec7faddb5648c4a578eff9865c9c347022002c8fc3a7e809864cda639856e8171ebe276d339e3b70b7786e323348fd1c8ed0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000017019dccc3100000403004630440220694f6d7769e1644ac8730b03ee44ca966df3d375d4321f8be30ccaac45143bda02204e8d46c52c3e116e25f45c65efee649e4b95cd847fa44d7187c5fa53b10f3718
 . . . . [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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