`1d.tlu.dl.delivery.mp.microsoft.com` doesn't have Mainland China CDN PoP anymore

[SukkaW]

... while /dl.delivery.mp.microsoft.com/ is included in the accelerated-domains.china.conf.

[felixonmars]

It does have Mainland China pop here:

Note that they do resolve to oversea pops from time to time, similar to the Akamai situation.