{"x\\.com", "myhostname", hostLookupCgo},     // punt on weird glibc escape
				{"foo.com%en0", "myhostname", hostLookupCgo}, // and IPv6 zones
			},
		},
		{
			name: "mdns_allow",
			c: &conf{
				mdnsTest: mdnsAssumeExists,
			},
			resolv: defaultResolvConf,
			nss:    nssStr(t, "hosts: files mdns dns"),
			hostTests: []nssHostTest{
				{"x.com", "myhostname", hostLookupCgo},