Unidentified

Yes, you are correct in that the 'bolete' type fungi tend to come early in the year so this would be out of season. Though fungi do tend to have a will of their own and appear when they are ready not always when we think they should!!!
Austroboletus lacunosus is a fungus that is much softer and with a more rounded cap. It has a much more robust stem (stipe) with its surface ornamented with a network of ridges and pits (reticulated). Was this specimen a bit tough and rubbery? It looks like it is an area that has been burnt?! I suspect it is one of the 'fire responsive fungi' such as those from the genus Laccocephalum. It looks very like L. sclerotinium, which for the moment I'll suggest....good find.