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Clear DNS
Difficulty
Very easy
Operating Systems
Windows
XP, 2000, VISTA, 7, 8, 8.1, 10
Open a Command Prompt with Administrative Privileges and type
ipconfig /flushdns |
MAC OS
10.10
Open a Terminal and type
sudo discoveryutil mdnsflushcache |
sudo dscacheutil -flushcache |
10.7, 10.8, 10.9
Open a Terminal and type
sudo killall -HUP mDNSResponder |
sudo dscacheutil -flushcache |
10.5, 10.6
Open a Terminal and type
sudo dscacheutil -flushcache |
10.4 and earlier
Open a Terminal and type
sudo dscacheutil -flushcache |
Linux
nscd
Open a Terminal and type
| Restart service | service nscd restart |
| Reload Service | service nscd reload |
dnsmasq
Open a Terminal and type
| Restart service | service dnsmasq restart |
BIND
Open a Terminal and type
| Restart service | rndc restart |
| Flash specific domain | rndc flushname domain.tld |
| Flash view (LAN) | rndc flush lan |
Routers
CISCO
IOS
Switch to enable mode
| Clear specific domain | clear host domain.tld |
| Clear all domains | clear host * |
Juniper
JunOS
| Clear all domains | clear dns |
| Clear specific domain | clear security dns-cache domain.tld |
FritzBox
The latest versions of the firmware do not allow for telnet, in those cases a router restart is required
Enable Telnet mode by dialing: #96*7* Connect with a telnet client to the router and type
| Stop DNS Service | multid -s |
| Start DNS Service | multid |
Web Browsers
Google Chrome
Visit the following URL
chrome://net-internals/#dns |