This is actually a major selling point for WHOIS privacy services (for SEO) these days, if you maintain the domain with the same registrar and continue to use t

This is actually a major selling point for WHOIS privacy services (for SEO) these days, if you maintain the domain with the same registrar and continue to use their domain privacy service, the records won't change and Google won't cancel your rankings. So, if you're thinking of selling a well-ranked domain, add the privacy services, because they typically boost the sale price.