I've contracted an ex Azure DNS team member to write up articles about DNS [1] and published it for free. I considered my DNS knowledge okay, but I learned something every article he wrote.
If you want to be better at DNS than >99% of your colleagues for the rest of your career, then invest a single day in reading those.
If you want to be better at DNS than >99% of your colleagues for the rest of your career, then invest a single day in reading those.
[1]: https://www.nslookup.io/learning/