Reliable (and free) DNS

After a small apocalypse of afraid.org , and a few hours later and many hours of inaccessibility, xname.org - is dedicated to free DNS users: “How to survive in this world and secure your domains from failure!”

So, everything is very simple, for we proceed from the consideration that the probability that two services fall completely in one moment is negligible. Therefore, instead of hosting our NS records with one provider (whether xname.org or afraid.org), we make one of them primary DNS and the second is designated as secondary.

For example, the domain essentialmind.com has three NS records: two point to xname.org and one at afraid.org. On the afraid.org service, the domain is entered in the registry as “secondary”, and therefore we will automatically synchronize with the “primary” entries on xname.org. As a result, we have a fairly stable and, not least, a fast server naming system.
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Nota Bene: Actually, the RFC says that there should be at least two DNS servers and they should be in different networks of class "C". What in practice 30 years ago meant “in different cities”; Today, the reality is that different addresses of class “C” networks can easily be in the same dusty basement. What leads to service interruptions like xname and afraid