Log Message:
Update to 0.9.12. From the changelog:

- dns_ip, dns_cname, dns_txt, dns_name and dns_mx
  return now the number of DNS answers received
  unlike the number of bytes for the given output.
- Added convenience routines for forthcoming s/qmail.
- Added ia4_fmt, ia6_fmt and dns_cname (for *qmail).
- Changed dns_transmit lookup time constants.