#!/usr/bin/env bash

brt_reverse() {
  local ip="${1:-}"
  if [[ -z "$ip" ]]; then
    brt_error "Usage: brt -reverse <ip>"
    exit 1
  fi

  brt_info "Reverse DNS for ${ip}"

  if command -v dig &>/dev/null; then
    dig +short -x "$ip"
  elif command -v host &>/dev/null; then
    host "$ip"
  else
    brt_error "dig or host required for reverse DNS"
    exit 1
  fi
}