3 ms·
Would it be possible to use a local BIND server with a large cache? I guess it needs to do zone transfers with root servers.
by guelo 13y ago
Would it be possible to use a local BIND server with a large cache? I guess it needs to do zone transfers with root servers.
- sehrope 13y agoNot if you respect the TTL on the DNS records. For example for drive.google.com it's 300 seconds: $ dig drive.google.com ; <<>> DiG 9.8.3-P1 <<>> drive.google.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62437 ;; flags: qr rd ra; QUERY: 1, ANSWER: 11, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;drive.google.com. IN A ;; ANSWER SECTION: drive.google.com. 300 IN A 74.125.226.225 drive.google.com. 300 IN A 74.125.226.238 drive.google.com. 300 IN A 74.125.226.231 drive.google.com. 300 IN A 74.125.226.228 drive.google.com. 300 IN A 74.125.226.224 drive.google.com. 300 IN A 74.125.226.227 drive.google.com. 300 IN A 74.125.226.232 drive.google.com. 300 IN A 74.125.226.226 drive.google.com. 300 IN A 74.125.226.229 drive.google.com. 300 IN A 74.125.226.233 drive.google.com. 300 IN A 74.125.226.230 ;; Query time: 32 msec ;; SERVER: 192.169.1.1#53(192.169.1.1) ;; WHEN: Sun Jan 12 18:37:40 2014 ;; MSG SIZE rcvd: 210