I need someone to either confirm that my understanding is correct or help me get the right answer. As I understand it, if I use dig to do a NS query against a domain, or sub-domain, I should get back ...

Security practitioners for decades have advised people to limit DNS queries against their DNS servers to only use UDP port 53. The reality is that DNS queries can also use TCP port 53 if UDP port 53 ...

If you want to be a sysadmin or network administrator of any kind, there’s a fundamental technology you really need to understand—DNS, the Domain Name System. There was a time when a sysadmin with no ...