DNS pulling BGP routes?

Masataka Ohta mohta at necom830.hpcl.titech.ac.jp
Tue Oct 12 15:38:17 UTC 2021

Matthew Petach wrote:

> With an anycast setup using the same IP addresses in every
> location, returning SERVFAIL doesn't have the same effect,
> however, because failing over from anycast address 1 to
> anycast address 2 is likely to be routed to the same pop
> location, where the same result will occur.

That's why that is a bad idea. Alternative name servers with
different IP addresses should be provided at separate locations.

						Masataka Ohta

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