travel insurance zealand

Can anyone recommend a site that can look into travel insurance worldwide for a couple?
We need it for 5 weeks that we are visiting our daughter in Australia, who also wants to go to New Zealand while the policies cover only there.Most for 4 weeks at a time and we 5weeks.Thanks. Thanks everyone for their responses and a Happy New Year to all of you.i will be checking all the sites tonight.
moneysupermarket.com
Cheaper Car Insurance in New Zealand – FinTel