This is how I setup Certification Authority Authorization (CAA) DNS record(s) to prevent https cert issue/misuse on my domain and 1 sub domain.
This is how I setup DNSSEC on a Namecheap domain hosted on UpCloud using CloudFlare to setup DNS security extensions.
Read the full article here: https://fearby.com/article/setting-up-dnssec-on-a-namecheap-domain-hosted-on-upcloud-using-cloudflare/
This post will show you how you can setup Sender Policy Framework (SPF), DomainKeys Identified Mail (DKIM) Signatures and Domain-based Message Authentication, Reporting, and Conformance (DMARC) on your GMail (G Suite) email to limit spam and increase security.
Read the full article here: https://fearby.com/article/securing-google-g-suite-email-by-setting-up-spf-dkim-and-dmarc-with-cloudflare/