Summary
ns1.stepup.nl has one IP number , but the reverse is
ns1.rokscom.net.
ns1.rpos.nl,
ns1.emailer.nl,
ns2.erados.com,
ns1.hostlab.nl,
ns1.rokscom.net and at least seven other hosts point to the same IP.
stepup.nl,
mautro.com,
tecotv.com,
mautro.net,
topomorph.info and at least one other host use this as a nameserver.
stepup.nl is delegated to two nameservers, however both delegated nameservers are missing in the zone and two other nameservers are listed instead. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for
stepup.nl is handled by one mailserver at
stepup.nl themselves.
stepup.nl has one IP number.
ns1.stepup.nl is hosted on a server in Netherlands.