Summary
bs is a domain controlled by three nameservers. All of them are on different IP networks.
tt,
nic.bs,
pch.net,
clu.edu,
upr.edu and at least 47 other hosts share nameservers with this domain.
aa.bs,
bs.bs,
we.bs,
3m.bs,
no.bs and at least 100 other hosts are subdomains to this hostname.