Summary
tx.rr.com is a domain controlled by two nameservers at
texas.rr.com. They are on the same IP network. Incoming mail for
tx.rr.com is handled by two mailservers at
mail.rr.com. They are on the same IP network.
satx.rr.com share both nameservers and mailservers with this domain.
wmsinv.net use this as a mailserver.
gt.rr.com,
sw.rr.com,
hot.rr.com,
elp.rr.com,
stx.rr.com and at least 54 other hosts share nameservers with this domain.
nc.rr.com,
oh.rr.com,
dc.rr.com,
ca.rr.com,
sc.rr.com and at least 14 other hosts share mailservers with this domain.
mx.tx.rr.com,
a1a.tx.rr.com,
lcavil.tx.rr.com,
family.tx.rr.com,
webmail.tx.rr.com and at least 23 other hosts are subdomains to this hostname.
rr.com is a domain controlled by five nameservers at
rr.com themselves. Some of them are on the same IP network. Incoming mail for
rr.com is handled by two mailservers also at
mail.rr.com. They are on different IP networks.
rr.com has one IP number.