I keep my whois and NS entries elsewhere and my nameservers sufficiently distributed that I find the risk acceptable, but both hetzner and ovh are firmly in the "I have always felt I got a very cost effective 'exactly what I paid for' - and in the case of my rare interactions with their support more than I'd hoped for" category for me.

Neither has ever caused me a problem that didn't feel like "potentially having this level of problem occasionally is entirely in keeping with how little I'm paying" basically.