Summary
ns1.ptisp.us has one IP number , which is the same as for
ptisp.us, but the reverse is
web1.alojamentos1.com.
qep.pt,
acimg.pt,
ptisp.us,
ta-hi.com,
adagio.pt and at least 100 other hosts point to the same IP.
qep.pt,
ptisp.us,
ta-hi.com,
lahsb.com,
mocito.net and at least 65 other hosts use this as a nameserver.
ptisp.us is a domain controlled by two nameservers at
ptisp.us themselves. They are on the same IP network. Incoming mail for
ptisp.us is handled by one mailserver at
us.
ns1.ptisp.us is hosted on a server in Portugal even though the hostname implies United States.