Update to 1.9.  Notable changes:

1.9:
- With the rollout of IPv6 for a.root-servers.net, it always
  took the IPv6 address even if you used the -4 option.
- Fix false lame server issues with domains which have the
  higher domain in it (command.com for example).

1.8:
- Warnings are printed if you receive a different RR type
  than the one you asked for (for example when you ask for
  an A record and receive a CNAME)
- Fixed problems when records received in the authority
  field are shorter than the domain the nameserver is
  authoritative for.
- When compiled without IPv6 support on an IPv6 capable
  machine the machine tried to query the IPv6 translated
  IPv4 address anyway.

(shattered)