The primary downside to a small TTL is cost. For many DNS providers you are allo...

		kcen on Oct 25, 2013 \| parent \| context \| favorite \| on: How to launch and defend against a DDoS attack [pd... The primary downside to a small TTL is cost. For many DNS providers you are allotted a number of requests per month that DNS will resolve. On particularly popular websites having a ton of DNS requests can cause the cost of DNS services to inflate significantly.