DNS Security, Part V: Transport security for Recursive to Authoritative DNS

from blog Educated Guesswork, | ↗ original
This is Part V of my series on DNS Security (parts I, II, III), IV). In part IV I covered DNS transport security between the client (the stub resolver) and the recursive resolver but ran out of room to talk about the recursive to authoritative link, which is the subject of this post. Recall yet again the DNS resolution process, shown below: For...