ANALYSIS
Goo.gl has four name servers and 28 IP numbers.
Google name servers
The name servers are ns1.google.com, ns2.google.com, ns3.google.com and ns4.google.com.
IP numbers
The IP numbers are 2404:6800:4003:c00::64, 2404:6800:4004:80e::200e, 2404:6800:4006:804::200e, 2607:f8b0:4004:804::200e, 2607:f8b0:4005:805::200e, 2607:f8b0:4005:80b::200e, 2800:3f0:4001:80a::200e, 2a00:1450:4009:821::200e, 2a00:1450:400b:c00::65, 74.125.200.100, 74.125.200.101, 74.125.200.102, 74.125.200.113, 74.125.200.138, 74.125.200.139, 172.217.3.206, 172.217.5.238, 172.217.16.238, 172.217.25.142, 172.217.30.78, 209.85.202.100, 209.85.202.101, 209.85.202.102, 209.85.202.113, 209.85.202.138, 209.85.202.139, 216.58.194.206 and 216.58.197.206. The PTRs of the IP numbers are sa-in-f100.1e100.net, sa-in-x64.1e100.net, nrt13s48-in-x0e.1e100.net, syd15s03-in-x0e.1e100.net, iad30s07-in-x0e.1e100.net, sfo03s01-in-x0e.1e100.net, sfo03s18-in-x0e.1e100.net, lhr48s28-in-x0e.1e100.net, dg-in-f101.1e100.net, dg-in-x65.1e100.net, sa-in-f101.1e100.net, sa-in-f102.1e100.net, sa-in-f113.1e100.net, sa-in-f138.1e100.net, sa-in-f139.1e100.net, sea15s12-in-f14.1e100.net, sea15s12-in-f206.1e100.net, slc11s01-in-f14.1e100.net, iad30s07-in-f14.1e100.net, iad30s07-in-f238.1e100.net, lhr48s28-in-f14.1e100.net, mad08s04-in-f14.1e100.net, syd15s03-in-f14.1e100.net, gru06s34-in-f14.1e100.net, dg-in-f100.1e100.net, dg-in-f102.1e100.net, dg-in-f113.1e100.net, dg-in-f138.1e100.net, dg-in-f139.1e100.net, sfo03s01-in-f14.1e100.net, sfo03s01-in-f206.1e100.net, nrt13s48-in-f14.1e100.net and nrt13s48-in-f206.1e100.net. The IP numbers are in different countries.
Results found
Goo.ae, goo.al, goo.am, goo.asia, goo.be, goo.bio, goo.blue, goo.bo, goo.by, goo.cafe, goo.cash and goo.cc.