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The djbdns package provides software for all the fundamental DNS operations:
DNS cache: finding addresses of Internet hosts. When a browser wants to contact www.hotwired.com, it first asks a DNS cache, such as djbdns's dnscache, to find the IP address of www.hotwired.com. Internet service providers run dnscache to find IP addresses requested by their customers. If you're running a home computer or a workstation, you can run your own dnscache to speed up your web browsing.
DNS server: publishing addresses of Internet hosts. The IP address of www.hotwired.com is published by HotWired's DNS servers. djbdns includes a general-purpose DNS server, tinydns; network administrators run tinydns to publish the IP addresses of their computers. djbdns also includes special-purpose servers for publishing DNS walls and RBLs.
DNS client: talking to a DNS cache. djbdns includes a DNS client C library and several command-line DNS client utilities. Programmers use these tools to send requests to DNS caches.
djbdns also includes several DNS debugging tools, notably dnstrace, which administrators use to diagnose misconfigured remote servers.
dbndns for Debian ----------------- dbndns is a Debian fork of the djbdns package, it includes the following patches: * IPv6 patch: djbdns-1.05-test23.diff.bz2 from http://www.fefe.de/dns/ * long response packets misformat patch from http://shinobi.dempsky.org/~matthew/djbdns-bug/patch * maxsoa patch from http://smarden.org/pape/Debian/dbndns/maxsoa.diff This package can be us more»
dnsfilter(1) dnsfilter(1) NAME dnsfilter - reverse-resolves IP addresses, converting them to host names. SYNOPSIS dnsfilter [ opts ] DESCRIPTION dnsfilter reads a series of lines from stdin, converts an IP address to a host name at the beginning of each line, and prints the results to stdout. I more»
dnsip(1) dnsip(1) NAME dnsip - lookup IP addresses SYNOPSIS dnsip [ fqdn ] DESCRIPTION dnsip resolves fqdn and prints the IP addresses of fqdn on a single line. If fqdn does not exist, dnsip prints a blank line. You can list several fqdns; dnsip prints each result on a separate line. more»
dnsipq(1) dnsipq(1) NAME dnsipq - dns loo more»
dnsmx(1) dnsmx(1) NAME dnsmx - prints t more»
dnsname(1) dnsname(1) NAME dnsname - does a more»
dnsq(1) dnsq(1) NAME dnsq - sends a n more»
dnsqr(1) dnsqr(1) NAME dnsqr - asks for more»