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bind 9

Q. How do I monitor my Bind 9 named (or any other dns server) server traffic / network traffic under Linux? How do I find out and view current DNS queries such as A, MX, PTR and so on in real time? How do I find out who is querying my DNS server or specific domain or specific dns client IP address?
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Q. I've nameserver like ns1.example.com and ns2.example.com. I'd like to provide Vanity DNS for each domain such as ns1.yourdomain.com and ns2.yourdomain.com. Basically, my users should able to call my dns server as their own servers. This will create the illusion that my user run their own name servers. How do I setup vanity DNS using BIND 9 under UNIX / Linux?
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Q. BIND 9 is part of core FreeBSD 7.x. How do I apply BIND 9 security patch under FreeBSD 7.x? Do I need to fetch entire source (buildworld) to patch BIND 9? How do I patch up recent BIND 9 DNS cache poisoning bug?
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Q. My local nameserver root zone file is outdated. It has no information about IPv6 and recently changed root server IP address. How do I update my root hints data file under Debian and Red Hat Bind 9 server?
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Q. How do I monitor my BIND 9 (named) server with monit which is chrooted at /var/lib/named directory? How do I restart bind (named) server if it does not respond or dead due to any issues under Debian / Ubuntu Linux?
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Free DNS Server Software

Can you tell me the name of free dns server software for my Linux server system?
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