Domain non-existent

[John Tan]

Hi all

I have a problem. From the dns server pridns.gov.sg, I am able to query 
sgnews.gov.sg domain. from pridns.ncs.com.sg it is also ok.
but from other dns servers eg. pridns.cyberway.com.sg it does not work. The 
ttl is 6 hours and I have already incremented the serial no.
and it is long after 6 hours. Am I paranoid or should I wait longer ?
Previosuly I had already incremented the s/no but just did it again today.. 
MY DNS logs show no errors on both primary and sec.

below is the output :

>sgnews.gov.sg.
Server:  pridns.cyberway.com.sg
Address:  203.116.1.78

*** pridns.cyberway.com.sg can't find sgnews.gov.sg.:Non-existent 
host/domain
>server pridns.ncs.com.sg.
Default Server:  pridns.ncs.com.sg
Address:  203.116.16.16

>sgnews.gov.sg.
Server:  pridns.ncs.com.sg
Address:  203.116.16.16

Non-authoritative answer:
sgnews.gov.sg
        origin = pridns.gov.sg
        mail address = root.pridns.gov.sg
        serial = 1999081201
        refresh = 14400 (4H)
        retry   = 7200 (2H)
        expire  = 604800 (1W)
        minimum ttl = 21600 (6H)
sgnews.gov.sg   nameserver = pridns.gov.sg
sgnews.gov.sg   nameserver = secdns.gov.sg
sgnews.gov.sg   preference = 10, mail exchanger = hydra.gov.sg
sgnews.gov.sg   preference = 20, mail exchanger = medusa.internet.gov.sg

Authoritative answers can be found from:
sgnews.gov.sg   nameserver = pridns.gov.sg
sgnews.gov.sg   nameserver = secdns.gov.sg
pridns.gov.sg   internet address = 160.96.179.4
secdns.gov.sg   internet address = 160.96.128.4
hydra.gov.sg    internet address = 160.96.179.6
medusa.internet.gov.sg  internet address = 160.96.179.7
>


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