What is SPF? SPF stands for Sender Policy Framework and is an email autentication method. It helps the receiving mail server to verify whether an email have been sent from an allowed email server or not. Your SPF policy is set up by publishing it in the form of a TXT record in your DNS. […] The post What is SPF and how do you configure it? first appeared on TzuSec.com.| TzuSec.com
The dig utility is convenient for doing manual DNS resolution from your system. Additionally, it uses the same OS resolver libraries as your applications which makes it more accurate than nslookup for emulating application issues and its output is more suitable for machine parsing. # ensure 'dig' is installed sudo apt install -y bind9-dnsutils dig ... Bash: using dig for reverse DNS lookup by IP| Fabian Lee : Software Engineer
For troubleshooting DNS issues, running the dig utility directly from OpenWrt can be essential. This is easily done by installing the ‘bind-dig’ package as shown below. opkg update opkg install bind-dig REFERENCES Opkg official docs openwrt forums, bind-dig package missing| Fabian Lee : Software Engineer
Getting started with dig Please note that this blog post is not an in-depth guide on DNS and dig. It will provide you with the basics, and more advanced topics that are out of the scope. Some more adv| ITTavern.com