As discussed based on topi https://projects.tigase.org/boards/15/topics/4140 it would be preferable to add using address from URL when DNS resolution fails.
I changed our code to use DNS resolution if it works and use domain name of web page hosting Sure.IM for XMPP connections when DNS resolution fails.
As discussed based on topi https://projects.tigase.org/boards/15/topics/4140 it would be preferable to add using address from URL when DNS resolution fails.