From AWS route 53 to Bind9
Mark Andrews
marka at isc.org
Sun Feb 5 06:06:00 UTC 2017
In message <1aeb1e7d-f2e2-dd1e-baf2-96729656f328 at thelounge.net>, Reindl Harald writes:
>
>
> Am 04.02.2017 um 22:30 schrieb Mark Andrews:
> > It has been suggested many times that there should be a record which
> > says which server(s) serve a zone for HTTP and HTTPS. We could do
> > this with SRV (_http._tcp.example.com and _https._tcp.example.com)
> > or we could come up with a new record example.com HTTP <server>.
>
> for the thread starter - use https://intodns.com/ to find out and fix
> common mistakes in dns zones
>
> > Browser vendors refuse to accept either of these solutions because
> > they don't want to do a second DNS lookup for the server's addresses
> > when the addresses are not included in the initial response.
>
> someone should point out to the browser vendors that this is technically
> already the case when CNAMES pointing to a different domain and the
> destination of the CNAME easily can be another CNAME pointing somewhere else
They have been but they refuse to listen. Recursive servers marshal
answers with cnames.
> makes sense when different companies are involved for a lot of records
> and each one wants a single entry for easier future changes instead
> touch 50 or more
>
> well, not the browser itself but the involved DNS servers and i don't
> see how that's different for the total response time since all that
> stuff is also cached in the whole dns chain
You add extra rtt between browsers and the recursive server when the
additional section is not populated.
> _______________________________________________
> Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list
>
> bind-users mailing list
> bind-users at lists.isc.org
> https://lists.isc.org/mailman/listinfo/bind-users
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
More information about the bind-users
mailing list