Yes, I can even approve that from my own experiences with UTL dns servers. But that is how its supposed to work and it does usually outside of UG.

;; QUESTION SECTION:
;mountbattenhosting.net.                IN      NS

;; ANSWER SECTION:
mountbattenhosting.net. 7115 IN NS nsusam1s.mountbattenhosting.net. mountbattenhosting.net. 7115 IN NS nsugam1m.mountbattenhosting.net.

;; ADDITIONAL SECTION:
nsugam1m.mountbattenhosting.net. 83748 IN A     41.220.5.16
nsusam1s.mountbattenhosting.net. 83748 IN A     208.79.240.3

The NS records are on a 24hour TTL at moment which is the recommended standard.

Rgds,
Rocco

On 09/04/2010 12:53, McTim wrote:
On Fri, Apr 9, 2010 at 12:42 PM, IT-Doc24 Ltd. - Rocco Radisch
<[email protected]>  wrote:
For that we have the TTL (time to live) value in the DNS records. Lower the
TTL value to 300 (5 mins) of the respective record 24 hours before the
change then other DNS servers / caches / clients are instructed to check
back within the given time. After the change you can go back to 24hours
(86400). If ISPs have a fixed cache time out that would be against the IETF.
ISPs (and other network operators) everywhere including UG are non-RFC
compliant in one way or another.

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