8.8.8.8 is a bunch of servers, and you may be getting different server to service your request than the one that cached your recently requested old value. Make

8.8.8.8 is a bunch of servers, and you may be getting different server to service your request than the one that cached your recently requested old value. Make several requests, and observe the TTL -- you may notice that it jumps around as you get different servers, especially if you space your requests apart a few seconds.