; Copyright (C) Internet Systems Consortium, Inc. ("ISC") ; ; SPDX-License-Identifier: MPL-2.0 ; ; This Source Code Form is subject to the terms of the Mozilla Public ; License, v. 2.0. If a copy of the MPL was not distributed with this ; file, you can obtain one at https://mozilla.org/MPL/2.0/. ; ; See the COPYRIGHT file distributed with this work for additional ; information regarding copyright ownership. $TTL 300 . IN SOA owner.root-servers.nil. a.root-servers.nil. ( 2000042100 ; serial 600 ; refresh 600 ; retry 1200 ; expire 600 ; minimum ) . NS a.root-servers.nil. a.root-servers.nil. A 10.53.0.1 ; The idea is that the resolver would do 2 ADB lookups, so there would be 2 ; find list, both with 2 IPs in it. ns1 (which is actually ans2 and ans5) would ; have both the slowest and fastest addresses. ns2 (which is actually ans3 and ; ans4) would have two addresses in the middle. example. NS ns1.example. example. NS ns1.example. example. NS ns2.example. example. NS ns2.example. ns1.example. A 10.53.0.2 ; delay is 0 ns1.example. A 10.53.0.5 ; delay is 0.15 ns2.example. A 10.53.0.4 ; delay is 0.08 ns2.example. A 10.53.0.3 ; delay is 0.03