Summary
ns.dns.br has one IP number , which also has a corresponding reverse pointer.
d.nic.ch and
d.nic.li point to the same IP.
sv,
gt,
uy,
pt,
py and at least 44 other hosts use this as a nameserver.
dns.br is a domain controlled by six nameservers at
dns.br themselves. All of them are on different IP networks. Incoming mail for
dns.br is handled by two mailservers at
registro.br. They are on the same IP network.
ns.dns.br is hosted on a server in Brazil.