A reader wrote in telling use a few big domains (mostly .edu at this point) have had their MX records disappearing.  Currently, I've verified the domains that were reported in fact do have problems with their MX records, but is anyone else seeing this?  A case of coincidence or a wider attack?  If you see any domains that had their MX records suddenly disappear, let me know.

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John Bambenek
bambenek /at/ gmail \dot\ com