Microsoft has registered domains for HaloInfinity.co.uk, HaloInfinityMultiplayer.co.uk and SpartanOps.org through internet brand protection firm MarkMonitor.
Additional domains registered include: HaloInfinity.org, HaloInfinity.mobi, HaloInfinity.de and HaloInfin, Fusible reports.
Our friends over at OXM point out that, as chronicled in the Halo: Glasslands novel, Infinity is the name of an advanced human starship commissioned after the end of the Covenant war in 2553. It's also the name of a multiplayer level exclusive to the PC version of Halo: Combat Evolved.
Last month Microsoft registered domains for XboxFL.com, XboxFL.net, Halo5.com and Halo9.com.