[AusNOG] Are domain name server pointers reliant on registrar name server?

[James Deck]

Hi Matt,

Authoritative name servers are provided by DNS services managed by the registry operator (and not the registrar).

In the .com.au<http://com.au> domain space, you are reliant on:

1) The root servers, which point to the nameservers for .au
2) auDA’s nameservers, which point to the nameservers for .com.au<http://com.au>
3) Afilias (registry operator)’s nameservers, which point to yourdomain.com.au<http://com.au>

When you modify your domain, your registrar updates the database of the registry operator (in .au’s case, Afilias), which is used by the registry operator to generate the .com.au<http://com.au> zone file, which is then pushed out to their nameservers.


Kind Regards,
James Deck
Managing Director
Clevvi - Formerly 1300 Web Pro
p1300 932 776
ejdeck at clevvi.com.au
wclevvi.com.au
aUnit 22, 489 South Street, Toowoomba 4350
Unit 14, 17 Karp Court, Bundall 4217
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On 28 Oct 2018, at 8:17 pm, Matt Selbst <matt.j.selbst at gmail.com<mailto:matt.j.selbst at gmail.com>> wrote:

Hi All,

Just a quick question. Say I have a domain mydomain.com<http://mydomain.com> who's authoritative name servers are ns1.server.net<http://ns1.server.net> and ns2.server.net<http://ns2.server.net>

Are these name server entries for my domain stored by my registrar or are they stored somewhere upstream and merely updated by my registrar?

Putting it another way am I reliant on my registrar's name serves being available (if these name aren't run by them).

Thanks

-Matt

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