When you have created a DNS Failover pool and have assigned it to an ‘A’ or ‘AAAA’ record, you want the flexibility to switch back and forth between the available servers during outages. To best accomplish this, we highly recommend decreasing the TTL value for that particular DNS record to the lowest allowable setting of […]
How does DNS failover handle cached entries around the world? If my site fails over, will people who have been visiting my site still be able to using the new IP?
Dealing with a DNS cache is probably the largest challenge of a DNS failover service. Even when setting the TTL for your ‘A’ record to a very low number, certain ISPs or networks just like to ignore those TTLs and elect to set the cache for a value that they deem appropriate. AOL is a prime […]
Just about anything. We support a fully customizable TTL value from 60 seconds and on up. You’re not forced to select something from a drop-down menu with very limited flexibility. You can enter anything between 60 seconds and one year (in seconds, of course). Whatever meets your business needs. Why do we not allow you […]