# named -c /dev/null ! # unbound -c /dev/null ! ! ! ! ! access-list 100 permit udp any any eq 53 server 192.0.2.1 { edns-udp-size 1220; }; options { edns-udp-size 1220; }; edns-buffer-size: 1220; dig @192.0.2.1 www.example.com A +norec +dnssec +bufsize=4096 dig @192.0.2.1 www.example.com A +norec +dnssec +bufsize=1220 $ dig www.kernel.org ! ;; QUESTION SECTION: ;www.kernel.org. IN A ! ;; ANSWER SE