Good and interesting book but why even consider DIY a Smart DNS when you have very cheap solutions? I'm using https://www.simpletelly.com/ https://www.simplete

Good and interesting book but why even consider DIY a Smart DNS when you have very cheap solutions? I'm using https://www.simpletelly.com/ https://www.simpletelly.com/ and they have a 2.5$ per mo. if you pay annually.