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Is there a standardized protocol how a registrar updates the NS information for a domain? For example, if, through my registrar's interface, I set the name servers for "example.com" to "ns1.example.com" and "ns2.example.com" how are [a-m].gtld-servers.net updated with this information? Does this protocol use the whois information or is that merely informational for the end user?

Edit: I see rfc3375 "Generic Registry-Registrar Protocol Requirements" but that is informational.

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Out of curiosity, why does this matter? –  Falcon Momot Aug 28 '13 at 3:12
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@FalconMomot Because occasionally the registrar fucks this part up, and when they do, it's damn near impossible to figure out what's going on. I for one would like to hear the answer to this. –  Michael Hampton Aug 28 '13 at 3:15
    
Agreed, great question. –  EEAA Aug 28 '13 at 3:17
    
Aah, yes, in that case it would be interesting to know. I have yet to experience anything but excessive propagation delays with doing this. –  Falcon Momot Aug 28 '13 at 3:20
    
I too would like to know the answer to this. It's never been clearly explained to me how the gTLD servers get updated NS information. –  joeqwerty Aug 28 '13 at 3:59

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I don't know the exact details or implementations, but my understanding is that it revolves around EPP - Extensible Provisioning Protocol

The motivation for the creation of EPP was to create a robust and flexible protocol that could provide communication between domain name registries and domain name registrars. These transactions are required whenever a domain name is registered or renewed, thereby also preventing domain hijacking. Prior to its introduction, registries had no uniform approach, and many different proprietary interfaces existed.

http://en.wikipedia.org/wiki/Extensible_Provisioning_Protocol

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