DNS Issues.... Unable to see unigui website/forum

[CastleSoft]

> www.unigui.com
;; Got SERVFAIL reply from 8.8.8.8, trying next server
Server:        8.8.4.4
Address:    8.8.4.4#53

** server can't find www.unigui.com: SERVFAIL

forums.unigui.com
;; Got SERVFAIL reply from 8.8.8.8, trying next server
Server:        8.8.4.4
Address:    8.8.4.4#53

** server can't find forums.unigui.com: SERVFAIL

> forums.unigui.com
Server:        139.130.4.4
Address:    139.130.4.4#53

Non-authoritative answer:
Name:    forums.unigui.com
Address: 82.113.145.191

Google DNS servers 8.8.8.8 and 8.8.4.4 having problems with your domain.

Telstra 139.130.4.4 appears to resolve ok.