ANALYSIS
Drive.google.com has five mail servers and 28 IP numbers.
Google mail servers
The mail servers are gmr-smtp-in.l.google.com, alt1.gmr-smtp-in.l.google.com, alt2.gmr-smtp-in.l.google.com, alt3.gmr-smtp-in.l.google.com and alt4.gmr-smtp-in.l.google.com.
This domain uses google to handle it's email.
IP numbers
The IP numbers are 2404:6800:4003:c04::66, 2404:6800:4004:819::200e, 2404:6800:4006:804::200e, 2607:f8b0:4004:814::200e, 2607:f8b0:4005:802::200e, 2607:f8b0:4005:80a::200e, 2800:3f0:4001:816::200e, 2a00:1450:4009:81d::200e, 2a00:1450:400b:c01::71, 74.125.193.100, 74.125.193.101, 74.125.193.102, 74.125.193.113, 74.125.193.138, 74.125.193.139, 142.250.179.238, 172.217.0.46, 172.217.6.78, 172.217.25.110, 172.217.25.142, 172.217.164.142, 172.217.194.100, 172.217.194.101, 172.217.194.102, 172.217.194.113, 172.217.194.138, 172.217.194.139 and 216.58.202.174. The PTRs of the IP numbers are nrt13s51-in-x0e.1e100.net, syd15s03-in-x0e.1e100.net, iad30s24-in-x0e.1e100.net, nuq04s44-in-x0e.1e100.net, sfo07s26-in-x0e.1e100.net, sfo07s17-in-x0e.1e100.net, di-in-f113.1e100.net, ig-in-f100.1e100.net, ig-in-f101.1e100.net, ig-in-f102.1e100.net, ig-in-f113.1e100.net, di-in-f138.1e100.net, ig-in-f138.1e100.net, ig-in-f139.1e100.net, lhr25s31-in-f14.1e100.net, iad66s02-in-f14.1e100.net, lga15s43-in-f14.1e100.net, lga15s43-in-f46.1e100.net, sfo07s26-in-f14.1e100.net, sfo07s17-in-f14.1e100.net, sfo07s17-in-f78.1e100.net, nrt13s51-in-f110.1e100.net, nrt13s51-in-f14.1e100.net, syd15s03-in-f14.1e100.net, iad30s24-in-f14.1e100.net, si-in-f100.1e100.net, si-in-f102.1e100.net, si-in-f113.1e100.net, si-in-f138.1e100.net, si-in-f139.1e100.net, gru06s30-in-f14.1e100.net and gru06s30-in-f174.1e100.net. The IP numbers are in different countries. They are hosted by Google.