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{{mIRC Guide}}
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{{mirc title|On Dns - Events}}
 
The '''ON DNS''' event triggers when a {{mIRC|/dns}} command query either succeeds or fails, including when a user does not exist on the server.
 
The '''ON DNS''' event triggers when a {{mIRC|/dns}} command query either succeeds or fails, including when a user does not exist on the server.
  
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<source lang="mIRC">ON *:DNS:echo -a $iif($1,$iif($dns(1).nick,$v1 has been resolved to) Hostmask: $dns(1).addr IP: $dns(1).ip,Could not resolve DNS query.)</source>
 
<source lang="mIRC">ON *:DNS:echo -a $iif($1,$iif($dns(1).nick,$v1 has been resolved to) Hostmask: $dns(1).addr IP: $dns(1).ip,Could not resolve DNS query.)</source>
  
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The above example makes use of multiple [[$iif identifier - mIRC|$iif identifiers]] to ensure that we get proper results, without unforeseen issues. The first surrounding [[$iif identifier - mIRC|$iif identifier]] checks to make sure any data has been returned. If no data is returned, then the [[/dns command - mIRC|DNS]] obviously failed; therefore, we have it return a statement which says that a resolution could not be made. If data has been returned, the second [[$iif identifier - mIRC|$iif identifier]] checks to see if a '''.nick''' value can be extracted from the [[$dns identifier - mIRC|$dns identifier]]. This is filled if a nickname was the target of the [[/dns command - mIRC|DNS]] request. If the nickname is filled, return the portion containing the nickname. If, however, the nickname is not present, present only the [[Hostmask - IRC|hostmask]] and [[Ip address|IP address]].
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The above example makes use of multiple {{mIRC|$iif}} to ensure that we get proper results, without unforeseen issues. The first surrounding {{mIRC|$iif}} checks to make sure any data has been returned. If no data is returned, then the {{mIRC|/dns}} obviously failed; therefore, we have it return a statement which says that a resolution could not be made. If data has been returned, the second {{mIRC|$iif}} checks to see if a '''.nick''' value can be extracted from the {{mIRC|$dns}}. This is filled if a nickname was the target of the {{mIRC|/dns}} request. If the nickname is filled, return the portion containing the nickname. If, however, the nickname is not present, only return the hostmask and ip address.
  
 
== Compatibility ==
 
== Compatibility ==

Latest revision as of 19:14, 15 June 2017

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v · d · e

The ON DNS event triggers when a /dns command query either succeeds or fails, including when a user does not exist on the server.

Synopsis[edit]

ON <level>:DNS:<commands>

Parameters[edit]

  • <level> - The corresponding access levels for the event to trigger.
  • <commands> - The commands to be performed when the event listener's criteria is met.

local identifiers[edit]

$dns[edit]

This identifier can be used to return all the address found.

$iaddress $naddress $raddress[edit]

These return to the ip address, host address, and resolved address, respectively. Although these identifiers work now, it is strongly advised that migration to using the $dns is made.

$nick[edit]

If /dns was performed on a nickname rather than an address, then $nick is filled with that nickname. Otherwise, $nick is filled with your own name.


Examples[edit]

Echo to the active window the results of the DNS: 

ON *:DNS:echo -a $iif($1,$iif($dns(1).nick,$v1 has been resolved to) Hostmask: $dns(1).addr IP: $dns(1).ip,Could not resolve DNS query.)

The above example makes use of multiple $iif to ensure that we get proper results, without unforeseen issues. The first surrounding $iif checks to make sure any data has been returned. If no data is returned, then the /dns obviously failed; therefore, we have it return a statement which says that a resolution could not be made. If data has been returned, the second $iif checks to see if a .nick value can be extracted from the $dns. This is filled if a nickname was the target of the /dns request. If the nickname is filled, return the portion containing the nickname. If, however, the nickname is not present, only return the hostmask and ip address.

Compatibility[edit]

Added: mIRC v4.7
Added on: 09 Dec 1996
Note: Unless otherwise stated, this was the date of original functionality.
Further enhancements may have been made in later versions.


See Also[edit]

v · d · e mIRC on event list

A on Action, on Active, on Agent, on Appactive

B on Ban

C on Char, on Chat, on Chatclose, on Chatopen, on Close, on Connect, on Connectfail, on Ctcpreply

D on Dccserver, on Dehelp, on Deop, on Deowner, on Devoice, on Dialog, on Disconnect, on Dns

E on Error, on Exit

F on Filercvd, on Filesent

G on Getfail

H on Help, on Hotlink

I on Input, on Invite

J on Join

K on Keydown, on Keyup, on Kick

L on Load, on Logon

M on Midiend, on Mode, on Mp3end

N on Nick, on Nosound, on Notice, on Notify

O on Op, on Open, on Owner

P on Parseline, on Part, on Ping, on Playend, on Pong

Q on Queryclose, on Queryopen, on Quit

R on Rawmode

S on Sendfail, on Serv, on Servclose, on Servermode, on Serverop, on Servopen, on Signal, on Snotice,  on Sockclose, on Socklisten, on Sockopen, on Sockread, on Sockwrite, on Start

T on Text, on Topic

U on Udpread, on Udpwrite, on Unban, on Unload, on Unotify, on Usermode

V on Vcmd, on Voice

W on Wallops, on Waveend

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