108.177.12.100
ua-in-f100.1e100.net
108.177.12.101
ua-in-f101.1e100.net
108.177.12.102
ua-in-f102.1e100.net
108.177.12.113
ua-in-f113.1e100.net
108.177.12.138
ua-in-f138.1e100.net
108.177.12.139
ua-in-f139.1e100.net
173.194.205.100
qm-in-f100.1e100.net
173.194.205.101
qm-in-f101.1e100.net
173.194.205.102
qm-in-f102.1e100.net
173.194.205.113
qm-in-f113.1e100.net
173.194.205.138
qm-in-f138.1e100.net
173.194.205.139
qm-in-f139.1e100.net
64.233.171.100
na-in-f100.1e100.net
64.233.171.101
na-in-f101.1e100.net
64.233.171.102
na-in-f102.1e100.net
64.233.171.113
na-in-f113.1e100.net
64.233.171.138
na-in-f138.1e100.net
64.233.171.139
na-in-f139.1e100.net

2607:f8b0:4003:c15::64
2607:f8b0:4003:c15::65
2607:f8b0:4003:c15::66
2607:f8b0:4003:c15::71
2607:f8b0:4003:c15::8a
2607:f8b0:4003:c15::8b
2607:f8b0:400c:c08::64
2607:f8b0:400c:c08::65
2607:f8b0:400c:c08::66
2607:f8b0:400c:c08::71
2607:f8b0:400c:c08::8a
2607:f8b0:400c:c08::8b
2607:f8b0:400d:c02::64
2607:f8b0:400d:c02::65
2607:f8b0:400d:c02::66
2607:f8b0:400d:c02::71
2607:f8b0:400d:c02::8a
2607:f8b0:400d:c02::8b

alt1.gmr-smtp-in.l.google.com.
alt2.gmr-smtp-in.l.google.com.
alt3.gmr-smtp-in.l.google.com.
alt4.gmr-smtp-in.l.google.com.
gmr-smtp-in.l.google.com.