t.Error("got no record")
		}
		for _, addr := range addrs {
			if ParseIP(addr) == nil {
				t.Errorf("got %q; want a literal IP address", addr)
			}
		}
	}
}

func TestLookupLongTXT(t *testing.T) {
	testenv.SkipFlaky(t, 22857)
	mustHaveExternalNetwork(t)

	defer dnsWaitGroup.Wait()

	txts, err := LookupTXT("golang.rsc.io")
	if err != nil {
		t.Fatal(err)
	}