}
}

var giantResponse = func() []dns.RR {
	ips := make([]netip.Addr, 0)
	for i := 0; i < 64; i++ {
		ips = append(ips, netip.MustParseAddr(fmt.Sprintf("240.0.0.%d", i)))
	}
	return a("aaaaaaaaaaaa.aaaaaa.", ips)
}()

func makeUpstream(t test.Failer, responses map[string]string) string {
	mux := dns.NewServeMux()
	mux.HandleFunc(".", func(resp dns.ResponseWriter, msg *dns.Msg) {
		answer := new(dns.Msg)

aaaaaaaaaa aaaaaaaaaa
aaaaaaaaa. aaaaaaaaa.
aaaaaaaaa/ aaaaaaaaa
aaaaaaaa.a aaaaaaaa.a
aaaaaaaa.. aaaaaaaa..
aaaaaaaa./ aaaaaaaa.
aaaaaaaa/a aaaaaaaa/a
aaaaaaaa/. aaaaaaaa
aaaaaaaa// aaaaaaaa
aaaaaaa.aa aaaaaaa.aa
aaaaaaa.a. aaaaaaa.a.
aaaaaaa.a/ aaaaaaa.a
aaaaaaa..a aaaaaaa..a
aaaaaaa... aaaaaaa...
aaaaaaa../ aaaaaaa..
aaaaaaa./a aaaaaaa./a
aaaaaaa./. aaaaaaa.
aaaaaaa.// aaaaaaa.
aaaaaaa/aa aaaaaaa/aa
aaaaaaa/a. aaaaaaa/a.

/b/c/aaaaaaaaaa /b/c/aaaaaaaaaa
/b/c/aaaaaaaaa. /b/c/aaaaaaaaa.
/b/c/aaaaaaaaa/ /b/c/aaaaaaaaa
/b/c/aaaaaaaa.a /b/c/aaaaaaaa.a
/b/c/aaaaaaaa.. /b/c/aaaaaaaa..
/b/c/aaaaaaaa./ /b/c/aaaaaaaa.
/b/c/aaaaaaaa/a /b/c/aaaaaaaa/a
/b/c/aaaaaaaa/. /b/c/aaaaaaaa
/b/c/aaaaaaaa// /b/c/aaaaaaaa
/b/c/aaaaaaa.aa /b/c/aaaaaaa.aa
/b/c/aaaaaaa.a. /b/c/aaaaaaa.a.
/b/c/aaaaaaa.a/ /b/c/aaaaaaa.a
/b/c/aaaaaaa..a /b/c/aaaaaaa..a
/b/c/aaaaaaa... /b/c/aaaaaaa...