go
d0.in.afilias-nst.org, b9.in.afilias-nst.org, f9.in.afilias-nst.org, b2.in.afilias-nst.org, b0.in.afilias-nst.org and at least one other host are subdomains to this hostname. afilias-nst.org is delegated to four nameservers, however one extra nameserver is listed in the zone. All of them are on different IP networks.

afilias-nst.org
ns records
ns1.ams1.afilias-nst.info
+ 199.19.48.79 199.19.48.0/24 AS12287 -
+ --- -
ns1.mia1.afilias-nst.info
+ 199.19.52.79 199.19.52.0/24 AS13901 -
ns1.sea1.afilias-nst.info
+ 199.19.50.79 199.19.50.0/24 AS13714 -
ns1.yyz1.afilias-nst.info
+ 199.19.49.79 199.19.49.0/24 AS40490 -
ns1.hkg1.afilias-nst.info
+ 199.19.51.79 199.19.51.0/24 AS13810 -
subdomains
b0.in.afilias-nst.org
b2.in.afilias-nst.org
b9.in.afilias-nst.org
d0.in.afilias-nst.org
d9.in.afilias-nst.org
f9.in.afilias-nst.org
nameservers missing in parent delegation
ns1.hkg1.afilias-nst.info