fate,apexes,pct_of_apr25_delegated
exact same NS host set,154662813,61.08
"same operator set, hosts renamed",3676682,1.45
"operator set changed, primary kept",340934,0.13
primary operator changed,27635893,10.91
"present, zero NS answers",13196596,5.21
absent from Jul 2026 crawl,53684775,21.2