Summary
Incoming mail for
mcia.osis.gov is handled by three mailservers at
osis.gov. All of them are on the same IP network.
dni.gov,
odni.gov,
osis.gov,
ugov.gov,
dsac.gov and at least 25 other hosts share mailservers with this domain.
osis.gov is a domain controlled by two nameservers on different IP networks. Incoming mail for
osis.gov is handled by three mailservers also at
osis.gov. All of them are on the same IP network.