Reverse DNS RFCs and Recommendations

Wed Oct 30 23:07:33 UTC 2013

On Wed, 30 Oct 2013 21:33:38 -0000, Nolan Rollo said:

> So in the four examples below, 3 of them preface the IP with an alpha
> character. Charter however, starts the rDNS off with a number. I'm not arguing
> with anyone but what potential problems could that cause with DNS?

Only if the system involved got on the net before 3com did (as RFC1123
specifically relaxed this requirement back in 1989).

And at that point, Indiana Jones would say "It belongs in a *museum*".

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