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Text File  |  1986-12-10  |  166 b   |  8 lines
  1. ($2 == "IN" || $2 == "ANY") {
  2.     host = $1
  3. }
  4. (($2 == "IN" && $3 == "MX" && $5 == host) || \
  5.  ($1 == "IN" && $2 == "MX" && $4 == host)) {
  6.     printf("%s\n", host);
  7. }
  8.