DNS lookup of Bitcoin peers

lookup-btc.sh

#! /bin/bash

hosts="bitcoin.jonasschnelli.ch \
	seed.btc.petertodd.org \
	bluematt.me \
	bitcoin.schildbach.de"

if [[ "$1" == "testnet" ]]; then
	hosts="testnet-seed.bitcoin.jonasschnelli.ch \
	seed.tbtc.petertodd.org \
	testnet-seed.bluematt.me \
	testnet-seed.bitcoin.schildbach.de"
fi

echo "Looking up $hosts"
echo "========================================================================"

for i in $hosts; do
	nslookup $i 2>&1 | grep Address | cut -d' ' -f2
done