4 ms·
The common web browsers caches DNS responses irrespective of their TTL values, which may be for as long as 30 minutes[0]. [0]: http://www.zytrax.com/books/dns/
by poizan42 9y ago
The common web browsers caches DNS responses irrespective of their TTL values, which may be for as long as 30 minutes[0].
[0]: http://www.zytrax.com/books/dns/info/minimum-ttl.html http://www.zytrax.com/books/dns/info/minimum-ttl.html
- icebraining 9y agoFirefox and Chrome only store for 60s and 30s, respectively. For IE, you can just refuse connections to the internal webserver for logged in users, as IE will then mark those IPs as bad and refresh the DNS: https://blogs.msdn.microsoft.com/ieinternals/2012/09/26/braindump-dns/#comment-1820 https://blogs.msdn.microsoft.com/ieinternals/2012/09/26/brai...