IOS SLB and DNS failover

Hi, there:
Is that possible I could use IOS SLB and DNS failover automatically?
i.e:
vip 10.1.1.1
vip 10.2.1.1
dns records:
vip1 10.1.1.1 10.2.1.1
normal condition:
vip1 will be 10.1.1.1
when 10.1.1.1 failed it will give 10.2.1.1
Is that something it could be done on IOS SLB, or other devices?
real services are udp based.gtp service
Thanks,

Yes, IOS server load balancing and the DNS failover can be done automatically. Is this not working currently? Can you posts the configuration so that we can check where the problem is.

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