DNS -- A Scout's Best Friend!

Grab the low-hanging fruit of MX, NS records:

dig @ns1.atstake.com atstake.com. any in
[...]
;; ANSWER SECTION:
atstake.com.            1H IN SOA       ns1.atstake.com. hostmaster.atstake.com. (
                                        2003103000      ; serial
[...]
atstake.com.            1H IN NS        ns1.atstake.com.
atstake.com.            1H IN NS        ns2.atstake.com.
atstake.com.            1H IN TXT       "Where security and business intersect"
atstake.com.            1H IN MX        1 porfidio.atstake.com.
atstake.com.            10S IN A        63.251.138.37
atstake.com.            10S IN A        63.251.138.36

;; ADDITIONAL SECTION:
ns1.atstake.com.        1H IN A         63.168.6.80
ns2.atstake.com.        1H IN A         63.251.138.33
porfidio.atstake.com.   1H IN A         63.168.6.70