Alternative DNS Servers: Choice and Deployment, and Optional by Jan-Piet Mens

By Jan-Piet Mens

Supplying an entire survey of DNS (Domain identify process) servers, this reference outlines the main compatible kinds of servers for various eventualities. Addressing functionality and safety concerns, this source describes intimately the precise eventualities for every server. extra subject matters mentioned contain how DNS info may be saved in LDAP (Lightweight listing entry Protocol) directories or SQL databases in addition to the right way to build strong DNS structures.

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Extra info for Alternative DNS Servers: Choice and Deployment, and Optional SQL LDAP Back-Ends

Example text

Conf for a BIND caching name server . . . . . . . . . . Master zone file for the domain localhost . . . . . . . . . . . arpa . . . . . . . . conf . . . . . . . . . . . . . . . . . . c: a sample program for libunbound . . . . . . . . . Private root zone . . . . . . . . . . . . . . . . . Perform an RFC 2136 Dynamic DNS Update with Net::DNS . . . . . Perform an RFC 2136 Dynamic DNS Update with Net::DNS and TSIG .

Chapter 1. Introduction to the DNS 13 the answer to a query, an authoritative server behaves differently. An authoritative name server will not answer queries for a zone it is not authoritative for, and will not pass the query to other name servers. com. com’s DNS database and can therefore not tell whether such a name exists or not. How the server responds depends on the implementation: • Some servers send back a “no error” status packet, but include information telling you where to go and start looking, by providing additional hints with pointers to the root name servers.

Generate zone clauses for BIND SDB from LDAP . . . . h . . . . . . c . . . . . . conf . . . . . Convert SQL data to BDB databases for DLZ’s BDBHPT driver Custom MySQL function revip4() in Bind DLZ . . . . . Custom MySQL function ip4octet() in Bind DLZ . . . . Custom MySQL function inarpa4() in Bind DLZ . . . . Perl DNS Nameserver: Stanford::DNSserver . . . . . . Handling Service (SRV) queries in Perl . . . . . . . Perl DNS Nameserver: Net::DNS::Nameserver example .

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