Round robin DNS provider

[Hodders]

We have a couple of servers and we want to load balance the traffic between them. We are looking for a DNS hosting company that will let us set up round robin DNS. In addition we would be able to route all traffic to one server in the event of a failure.

Can anybody recommend a supplier ?

 

[daz]

Who's hosting your DNS at the moment?

Round-robin DNS isn't really the best method to achieve failover and increase redundancy - what do you actually want to achieve?

 

[Hodders]

At the moment we have a single co-lo server and it hosts it's own DNS. I.e. if the server goes down, all the services go down, so it is no big deal that the DNS goes down.

We are planning to introduce a warm backup server. It will get all the critical data synchronised to it. In teh even t that the 1st server fails, we want to be able to quickly (i.e. short TTL) divert all queries to the second server.

We also want the ability to share some service loading between the two servers. Round robin DNS would let us do that by handing out short TTL DNS results sending some connections to each server.

We could put someking of load balancing hardware in front of both servers but this will be expensive and use up more rackspace. As always we are under budgetry pressure to find a cheaper way of doing it....

So - does anybody know of a round robin DNS host that is any good. For example these guys do it but are they any good ?

 

[daz]

Roundrobin DNS is all well and good but not many ISPs will take notice of your short TTLs and those that do might not accept the TTL (they might have a minimum TTL value, e.g. a few hours).

If you want real redundancy you'll need to build it into your server (and software) setup - we use N+1 load-balancers with failover and multiple front-end webservers. The back-end storage is being replicated so that if that fails it will failover to the redundant storage.

 

[feenster99]

We have a couple of servers and we want to load balance the traffic between them. We are looking for a DNS hosting company that will let us set up round robin DNS. In addition we would be able to route all traffic to one server in the event of a failure.

Can anybody recommend a supplier ?

I've used ZoneEdit.com for a while now and had no downtime. They do round robin DNS:
http://www.zoneedit.com/doc/faq.html#faq40

Matt

 

[jack21]

At the moment we have a single co-lo server and it hosts it's own DNS. I.e. if the server goes down, all the services go down, so it is no big deal that the DNS goes down.

We are planning to introduce a warm backup server. It will get all the critical data synchronised to it. In teh even t that the 1st server fails, we want to be able to quickly (i.e. short TTL) divert all queries to the second server.

We also want the ability to share some service loading between the two servers. Round robin DNS would let us do that by handing out short TTL DNS results sending some connections to each server.

We could put someking of load balancing hardware in front of both servers but this will be expensive and use up more rackspace. As always we are under budgetry pressure to find a cheaper way of doing it....

So - does anybody know of a round robin DNS host that is any good. For example these guys do it but are they any good ?

You are looking for Server Mirroring or Load balancing across web servers and database servers? Server Mirroring using Rsync and FAM modules is also a good option

 

[Beansprout]

One point to add - if the DNS for a domain goes down that is a reasonably major issue as the domain completely disappears...mailservers may permanently fail e-mail delivery rather than queue for retry.

DNS disruption is bad, and very cheap to avoid as virtually all registrars provide free/low-cost DNS management these days.

jack21....no commercial links allowed (your sig), better remove them before someone sees 'em.