go
for.win-xp.biz are subdomains to this hostname.

biz
ns-soa records
a.gtld.biz
+ 209.173.53.162 209.173.53.0/24 AS7786 -
+ --- -
ns records
a.gtld.biz
+ 209.173.53.162 209.173.53.0/24 AS7786 -
+ --- -
b.gtld.biz
+ 209.173.57.162 209.173.57.0/24 AS7786 -
c.gtld.biz
+ 209.173.60.65 209.173.60.0/24 AS7786 -
e.gtld.biz
+ 209.173.58.65 209.173.58.0/24 AS7786 -
f.gtld.biz
+ 209.173.58.66 209.173.58.0/24 AS7786 -
g.gtld.biz
+ 199.7.64.126 199.7.64.0/24 AS32978 -
h.gtld.biz
+ 199.7.77.126 199.7.77.0/24 AS32978 -
subdomains
for.win-xp.biz