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Fast-Flux domain: a very clear example

This is a very clear example of what is Fast-Flux Domains. at ANSWER SECTION 1)  low TTL value (10 seconds) 2) different networks /16 3) different ASN for every IP address 4) CNAME for several IP address dig 1476529054.xiazaidown.com ; <<>> DiG 9.9.5-9+deb8u7-Debian <<>> 1476529054.xiazaidown.com … ;; ANSWER SECTION: 1476529054.xiazaidown.com. 600    IN    CNAME    xzz.dns-vip.net. xzz.dns-vip.net.   […]