Alexandar Tzanov's Personal Blog

Tag: DNS

  • Cloudflare, DKIM, and 1024 vs 2048-bit key length.

    I recently had to configure a domain in Google Workspace to process mail with Gmail. To authenticate messages and avoid SPAM filters I had to configure DKIM by generating a key and then creating a DNS record to store said key. The DNS record is of type TXT. The value of a TXT record has…

  • Azure Static Web Apps, Custom Domains, and Cloudflare

    My AlexandarTzanov.com profile website became inaccessible after switching to Cloudflare DNS from Google Domains DNS. I had to go this route because Google announced that they are going to sell the Google Domains service to Squarespace. For some reason this was not announced via email to Google Domains customers! At least I did not receive…

  • Firefox and DNS prefetching

    Firefox and DNS prefetching – I read about this being a feature in Google Chrome, but I wasn’t sure if it was, yet, a feature of Firefox. It is in Ff 3.5. Here you can find a list of the new features in Firefox 3.5. What is DNS prefetching? – It is the process of…

  • Domain Record Info

    I wanted a way to quickly view the record information on a domain, but I did not want anyone tracking domains I look up. Or like some bad registrars, have any possible domain I look up end up as registered thanks to the ICANN grace period and overpriced registrars trying to extort money before selling…

  • TFnet hosts a new blog.

    I just finished setting up the first blog I am hosting on my site for someone other than myself. Brad has expressed interest in the blogging concept after I explained to him what it is. Although he is not the first person I have offered to host a blog for, he is the first one…

  • FireFox Adventures Begin.

    I decided every once in a while to write about my experience with the FireFox browser. The FireFox Adventures category will hold my entries about the browser. The same entries will be made in the blog I am provided with on the Spread FireFox website. So, without any further a due, here is my first…