Sorry, it sounds like a new kind of error. Let me know if anything seems to help resolve it.
If you (or anyone else) has a PC on the same network, it might be interesting to try CaptiveDNS, and see if the same issue occurs: https://browsedns.net/topic/2072/release-captivedns-access-the-browser-on-the-switch-locally-self-host-instructions
