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Lesser known DNS tools and BIND tricks

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Original source (strotmann.de)
Tags: programming sysadmin dns bind
Clipped on: 2014-04-25

23 / 54

August 2012

Lesser known DNS tools and BIND tricks © Carsten Strotmann / dnsworkshop.org

Lesser known DNS tools and BIND tricks

dnsworkshop.org

August 2012

About me

6502

  • Basic
  • Forth
  • Assembler

8086

  • MS-DOS
  • Pascal
  • C
  • Assembler

Power CPU

  • AS/400
  • CL
  • RPG
  • SNA

386

  • OS/2
  • Rexx
  • Modula
  • Oberon
  • Java
  • NetBIOS

Unix

  • Solaris
  • Linux
  • OpenBSD
  • FreeBSD
  • TCP/IP

Network

  • DNS
  • DHCP
  • IPv6
  • DNSSEC

Work

  • Men & Mice
  • ISC
  • LinuxHotel

DNS lookup

quick DNS lookup

  • DNS lookup tool, easy to parse output
    dnsget guug.de
    or
    dig guug.de +short

pretty print DNS

  • pretty print dns results
    dig soa dnsworkshop.org +multiline

checking SOA records

  • lookup SOA record from all authoritative DNS servers of a zone
    dig dnsworkshop.org +nssearch

map DNS names in a zone

  • brute force map all DNS names in a zone
    dnsmap guug.de

bulk resolve names

  • asynchronous DNS to resolve names (or IP addresses to names) in log-files
    cat queryfile-example-1million | head | adnshost -af

DNS resolve filter

  • resolve IP addresses to names in a filter
    lsof -i -n | adnsresfilter

browse multicast DNS

  • Bonjour / Rendezvous / Avahi DNS service discovery browser
    avahi-browse
    or
    mdns-scan

mailserver for a domain

  • quick find the mailserver for a domain
    ldns-mx isc.org

a terse display of a zone

  • print a parse-able tree view of a DNS zone
    dns_tree gnu.org

graphical DNS and DNSSEC lookup tool

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