#!/bin/bash

host=$1
zone=$2
ip=$3
ttl=$4



date="$(date --rfc-3339 seconds)"

(
	echo "prereq yxrrset ${host}.${zone}. A"
	echo "update delete  ${host}.${zone}. A"
	echo "update add     ${host}.${zone}. ${ttl} A ${ip}"
	echo "update delete  ${host}.${zone}. TXT"
	echo "update add     ${host}.${zone}. ${ttl} TXT ${date}"
	echo ""
) | nsupdate