Summary
brw.corvis.com is a domain controlled by two nameservers at
level3.net. They are on the same IP network.
l3.net,
l3.com,
lll.com,
lvlt.com,
bwng.com and at least 56 other hosts share nameservers with this domain.
brwexchsrv.brw.corvis.com are subdomains to this hostname.
corvis.com 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
corvis.com is handled by two mailservers having a total of 14 IP numbers. There are twelve duplicated IP numbers. Some of them are on the same IP network.
corvis.com has one IP number.