Which of your 300 domains still redirect? One script, and what to fix first
The dashboard has no cross-domain view. One script says which of 300 domains still answer, and Ahrefs' now-free DR endpoint says which ones are worth fixing.
A runbook for pointing 200 parked domains at one site
Every domain is its own zone, Cloudflare throttles how fast you can add them, and presetting nameservers gets you the wrong pair. The order that works.