3 of the 5 nameservers for fj are online and responding (they are all anycasted around the world). It looks like connectivity to Fiji itself is what is disrupted.
Two are operated by gransy.com and one by PCH.net (which you should consider donating to and helping random country codes stay online: https://www.pch.net/about/donate).
Two are operated by gransy.com and one by PCH.net (which you should consider donating to and helping random country codes stay online: https://www.pch.net/about/donate).