Summary
a.microsoft.com is a domain controlled by eight nameservers at
akamaitech.net. All of them are on different IP networks. Incoming mail for
a.microsoft.com is handled by two mailservers at
akamai.com. They are on different IP networks.
a.yimg.com,
akamai.net,
akamaitech.net and
akamai-staging.net share both nameservers and mailservers with this domain.
kamai.com,
w.tl88.net,
w.ytcdn.net,
akamai-beta.net and
akamaiedge-regression.net share nameservers with this domain.
ak1.net,
qz3.net,
akmi.net,
netli.net,
akamai.fr and at least 51 other hosts share mailservers with this domain.
ms.a.microsoft.com,
n1ms.a.microsoft.com,
n6ms.a.microsoft.com,
n8ms.a.microsoft.com,
n2ms.a.microsoft.com and at least five other hosts are subdomains to this hostname.
microsoft.com is delegated to five nameservers, however all five delegated nameservers are missing in the zone. All nameservers are at
msft.net. All of them are on different IP networks.