services/DNS.md
... ...
@@ -60,6 +60,10 @@ to the anycast service. Example configurations for different recursor implementa
60 60
Authoritative DNS for DN42 is provided by the *.delegation-servers.dn42 servers, see the DNS architecture here
61 61
[New DNS](/services/New-DNS) Delegations servers have full support for DNSSEC. Example configuration unbound implementations are included in the [dns/Configuration](/services/dns/Configuration#resolver-setup) page.
62 62
63
+## Additional client configuration
64
+
65
+- **Firefox**: Set `browser.fixup.domainsuffixwhitelist.dn42` to `true` in `about:config` to prevent Firefox from confusing dn42 domains with search queries.
66
+
63 67
## Further Information
64 68
65 69
* [dns/Configuration](/services/dns/Configuration) - Forwarder/Resolver configuration examples