Pretty sure they're not affected by this thing - it was just http proxy rewriting logic. (having said that - you may as well rely on us for MX records if all t

Pretty sure they're not affected by this thing - it was just http proxy rewriting logic. (having said that - you may as well rely on us for MX records if all the delivery is coming to us - our DNS infrastructure is more widely distributed than basically anything else for exactly that reason)