Public bug reported:

Version GNU Wget 1.10.2

When downloading a big file from a website that is using a dynamic DNS
service, if the IP changes, the connection is broken to the server.
When trying to reconnect wget isn't doing a DNS lookup, and keeps trying
the old IP address.

1) start a big download from a site using a dynamic DNS 
2) cause the sites IP address to change (i.e. reset ADSL modem)

Wget will try to reconnect

3) note that "$ dig <host name>" reports new IP address of host
4) note that wget is still trying to contact old IP address

** Affects: Ubuntu
     Importance: Undecided
         Status: Unconfirmed

** Description changed:

  Version GNU Wget 1.10.2
  
  When downloading a big file from a website that is using a dynamic DNS
- service, it the IP changes, the connection is broken to the server.
+ service, if the IP changes, the connection is broken to the server.
  When trying to reconnect wget isn't doing a DNS lookup, and keeps trying
  the old IP address.
  
  1) start a big download from a site using a dynamic DNS 
  2) cause the sites IP address to change (i.e. reset ADSL modem)
  
  Wget will try to reconnect
  
  3) note that "$ dig <host name>" reports new IP address of host
  4) note that wget is still trying to contact old IP address

-- 
wget doesn't redo DNS lookup
https://launchpad.net/bugs/84104

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