On 2013-12-28 12:08, Albert Suwandhi wrote:

> Fri 2013-12-27 09:10:55: Attempting SMTP connection to [jayatrade.com
> <http://jayatrade.com>]

> Fri 2013-12-27 09:10:55: Resolving MX records for [jayatrade.com
> <http://jayatrade.com>] (DNS Server: 8.8.8.8)...

> Fri 2013-12-27 09:11:00: *  The name server reports that it is having
> technical problems

> Fri 2013-12-27 09:11:00: Resolving MX records for [jayatrade.com
> <http://jayatrade.com>] (DNS Server: 8.8.4.4)...

> Fri 2013-12-27 09:11:05: *  The name server reports that it is having
> technical problems

Ini problem DNS cache corruption di google DNS.
Walau jarang terjadi (tidak sesering DNS resolver lain, khususnya
dibanding MS DNS), tetapi DNS resolver tidak bisa terhindar dari DNS
poisoning karena mekanismenya tidak perlu authenticate seperti di DNSSEC.

$ host -t mx jayatrade.com 8.8.8.8
;; connection timed out; no servers could be reached

$ host -t mx jayatrade.com 8.8.4.4
;; connection timed out; no servers could be reached

tambahkan saja DNS resolver lain, boleh sampai 6 DNS resolver.

$ host -t mx jayatrade.com 209.244.0.3
Using domain server:
Name: 209.244.0.3
Address: 209.244.0.3#53
Aliases:

jayatrade.com mail is handled by 10 mail.jayatrade.com.

http://mdaemon.dutaint.co.id/13.6.1/default-domain-and-servers_dns.htm

[ ] Use Windows DNS servers
DNS servers 8.8.8.8 8.8.4.4 209.244.0.3 209.244.0.4

http://pcsupport.about.com/od/tipstricks/a/free-public-dns-servers.htm

-- 
syafril
-------
Syafril Hermansyah
Running MDaemon 13.6.1, SP 4.1.5


You may be marching to the beat of a different drummer, but you're
still in the parade.


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