Linked Questions
20 questions linked to/from Why is DNS failover not recommended?
8
votes
2
answers
11k
views
How to setup Traefik for HA? Need a reverse-proxy in front of Traefik?
I am trying to setup Traefik on a production site, and I'm struggling with some high availability issues. I think we still need a reverse-proxy in front of the Traefik cluster. Here are the potential ...
- 724
2
votes
1
answer
378
views
Website failover across internet connections
Requirement
For a network having 4 static IP internet leased line connections linked to hosting a website.
What are the current strategies one can apply to ensure high availability in case of ...
- 123
0
votes
2
answers
76
views
Point domain to backup server if main server crashes
I have a server with system.domainname.com
I have set up a mirrored site, that gets all data copied to it every hour.
So if server1 crasches I could just tell everyone to go to server2 and ...
- 137
10
votes
3
answers
13k
views
Is round-robin DNS a possible solution for high availability?
Let's say I have 2 IPs for a given domain (round-robin DNS).
If one the IPs becomes unresponsive, will clients try to connect to the other IP? or they will just fail to establish comunication with the ...
- 1,530
4
votes
4
answers
4k
views
Statically mirroring a heavy trafficked site, CloudFlare as DNS
I run a fairly heavy trafficked website and due to some unfortunate incidents the machines that are in my cloud at Linode went down. And I have only a single Load Balancer machine exposed to the ...
- 4,443
2
votes
2
answers
3k
views
DNS failover across multiple datacenters?
I've got a site that is starting to get a lot of traffic and just the other day, we had a network outage at the datacenter where our loadbalancer (haproxy) is hosted at.
This worried me as despite all ...
- 141
7
votes
3
answers
7k
views
If DNS Failover is not recommended, what is?
As a followup question to his very popular question: Why is DNS failover not recommended?, I think it was agreed that DNS failover is not 100% reliable due to caching.
However the highest voted ...
- 521
0
votes
1
answer
1k
views
DNS failover in a two datacenter scenario
I'm trying to implement a low-cost solution for website high availability. I'm looking for the downsides of the following scenario:
I have two servers with the same configuration, content, mysql ...
- 457
1
vote
3
answers
767
views
Can DNS do failover switch for a domain?
I have heard about round robin solution. But that one is making different request to different ips to do load balancing. What I want is making one IP as master, only if it dies, the DNS server switch ...
- 123
5
votes
1
answer
3k
views
How could dynamic DNS work if DNS updates take hours to propagate?
Simple Failover markets itself as:
continuously monitors your servers to find out which are up and which
are down, and then it dynamically updates your DNS records accordingly
so that your ...
- 521
-2
votes
3
answers
249
views
What's the best solution for 99.999% Up-time to end users? [closed]
I'm looking for a solution to make sure my site stays accessible as much as possible on a long term basic, what i might need is just a simple DNS management solution (I don't know but i would like ...
- 1
2
votes
2
answers
1k
views
Is it possible to completely avoid a single-point-of-failure in a web back-end?
It seems like you're always dependent on some hosting provider being available. Even if you servers are geo-redundant across data centers, you still have a DNS record that points to some IP address ...
- 297
3
votes
5
answers
4k
views
How can I serve a static landing page if my server is down?
I would like to fallback to a static webpage if my main web server is down (currently a Rackspace Cloud instance). This would be a sort of worse-case scenario that shouldn't happen, but has before (e....
- 329
1
vote
2
answers
179
views
How can one domain route to an always-changing pool of servers?
I'm sure this is an easy solution, I'm just not too familiar with how DNS works or if that's even related to this problem.
If I'm running a web service on amazon ec2, distributed across many ...
- 1,071
3
votes
3
answers
18k
views
How use DNS server to create simple HA (High availability) of my website?
Welcome,
How can i use DNS server to create simple HA (High availability) of website ?
For example if my web-server ( for better understanding i use internal IP in real it will be other hosting ...
marc22