#!/bin/bash
# i wrote this one coz i was too lazy to do 5 types per host i needed to know
# if existed in different ones (edu, com so on)
# wlofie/w0nderer 2003-07-12-- w0nderers_delight at yahoo dot com
# this one is not commented, it is however explained in detail at 
# http://wlofie.dyndns.org/devel/scripting101/bash/101_4.html
test "${1}" = "" && echo -e "script needs at least a domain name without tld to check it also accepts v and t switches equivalent to host commands -v -t type, ie\n $0 host2lookup v t type\n" && exit 1

LOOKMEUP=$1
SHIFTCOUNT=0

if test "${2}" = "-v" && test "${3}" = "-t"
    then
        ARGUMENT="-v -t $4"
        let SHIFTCOUNT=$SHIFTCOUNT+4
    elif test "${2}" = "-v"
    then
        ARGUMENT="-v"
        let SHIFTCOUNT=$SHIFTCOUNT+2
    elif test "${2}" = "-t" && test "${4}" = "-v"
    then
        ARGUMENT="-v -t $3"
        let SHIFTCOUNT=$SHIFTCOUNT+4
    elif test "${2}" = "-t"
    then
        ARGUMENT="-t $3"
        let SHIFTCOUNT=$SHIFTCOUNT+3
fi

if test $SHIFTCOUNT = 0
    then
    let SHIFTCOUNT=$SHIFTCOUNT+1
fi

shift $SHIFTCOUNT


ORIGINAL_TLD="edu com gov net org"
INTERNATIONAL_TLD="se"

for EXTRATLD in $@
do 
  MORETLD="$MORETLD $EXTRATLD"
  shift
done

TOPLEVELDOMAINS="$ORIGINAL_TLD $INTERNATIONAL_TLD $MORETLD"

for TLD in $TOPLEVELDOMAINS
do
    host $ARGUMENT $LOOKMEUP.$TLD
done