Should've clarified. In this case I was on a IPv6-only connection – no IPv4 access available to the outside. Loading with both IPv6 and IPv4 being available of

Should've clarified. In this case I was on a IPv6-only connection – no IPv4 access available to the outside. Loading with both IPv6 and IPv4 being available of course results in no problems, as it falls back to IPv4 for resources that are not accessible over IPv6 (which is mainly the layout scripts).