u.arin.net - slow to update ?

[vom513 via NANOG <nanog () lists nanog org>]

I don’t mean this as a complaint.  Looks like this NS is ran out of PCH.

I made some changes to a zone via ARIN (within ip6.arpa) and it seems like all auth servers listed one level up picked 
it up within an hour (possibly quicker) - however u.arin.net is still in the dark.

Is this a known issue ?  I can wait 24 hours - not a biggie…

Thanks.
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