Thanks, that's really weird it doesn't answer to Google DNS (Image)

Then, major recursive DNS providers (Google, Cloudflare, OpenDNS, etc) do respect TTL. Ignore the crappy providers.

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I have been using gDNSd 2.4 with geodns and auto failover from 8 locations for a few years. It has worked great. According to hetrixtools I show a 99.999% uptime on websites, even though the underli

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@MaxKVM I see that you have all your DNS servers on BuyVM's network. This is perhaps not the best, considering resilience. You probably want to consider hosting DNS on multiple different AS.

The point isn't synching but rather DNS propagation delay plus the fact that many provider don't care sh_t about the rules (and your zone config).

Speaking of DNS, I got an idea: I could always rsync two copies of the website in different locations. The secondary server periodically checks the primary. If the primary is down, the secondary modif

I have been using AWS Route53 for geodns, cheap with low volume ($0.70/million geodns requests/month). Gets pricey when adding failover monitoring, $2.75/mo for https monitoring of each host, so your

... or from a backup or deployment server. But keep DNS in mind which can throw a stick into the gears. And of course while you have something in place many (most, I guess) do not.

ClouDNS?

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So the website is running very nicely on ~8 geographically distanced VMs for minimal latency with GeoDNS. Unfortunately the PowerDNS cluster with MySQL+GeoIP backends was not cutting it with 500+ms re

* Free DNS manager

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Mbit/s 1.370 ms> Germany, Berlin (DNS:NET) 620.12 Mbit/s 753.41 Mbit/s 14.021 ms> Germany, Munich (InterNetX) 564.58 Mbit/s 600.10 Mbit/s 17.045 ms>

To use NAT64, all I need to do is changing the DNS settings in my server:

840.12 Mbit/s 1.370 ms Germany, Berlin (DNS:NET) 620.12 Mbit/s 753.41 Mbit/s 14.021 ms Germany, Munich (InterNetX) 564.58 Mbit/s 600.10 Mbit/s 17.045 ms Denmark, Copenh

The SSH client is configured to use key pairs so that I don't need to type passwords. I no longer add DNS entries for my boxes but I have ~/.ssh/config written so that I can get into a box by typing s