>Sudah coba di reboot servernya?

Nanti sore saya coba

>MDaemon run dibelakang firewall?

Hanya mikrotik biasa Pak

>Jika ya, apakah outbound tcp dan udp port 53 dari MDaemon server ke
internet sudah di allow?

Sudah Pak, hari senin normal sampai jam 7 malam.

>C:\ nslookup 17.16.158.202.zen.spamhaus.org

Hasilnya malah seperti ini :

C:\Documents and Settings\Administrator>nslookup
17.16.158.202.zen.spamhaus.org
*** Can't find server name for address 136.68.95.253: Non-existent domain
Server:  UnKnown
Address:  136.68.95.253

Non-authoritative answer:
Name:    17.16.158.202.zen.spamhaus.org.srg-mscid.com
Address:  218.93.250.18

Sepertinya ada yang aneh di sini.. hmmm...

Pakai DNS google bigitu juga

C:\Documents and Settings\Administrator>nslookup
17.16.158.202.zen.spamhaus.org
8.8.8.8
DNS request timed out.
    timeout was 2 seconds.
*** Can't find server name for address 8.8.8.8: Timed out
Server:  UnKnown
Address:  8.8.8.8

Non-authoritative answer:
Name:    17.16.158.202.zen.spamhaus.org.srg-mscid.com
Address:  218.93.250.18


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