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What do relatively large corporations use for their authoritative nameserver? Do they use PowerDNS, knot, bind, or just use the registrar's nameservers?

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jedberg 6 days ago | parent [-]

Google runs their own, Facebook runs their own, Amazon used AWS, Microsoft uses Azure. Netflix uses AWS.

Most likely all are running some version of Bind, or something custom.

	▲	bc569a80a344f9c 6 days ago \| parent [-]
		And if you’re wondering about the hidden authoritative servers (that the company uses to generate and administer the zones then synced to a global DNS provider such as the ones you listed) two rather popular products for companies that aren’t also cloud providers are Infoblox and BlueCat.