groups.google.com.

groups.l.google.com.

74.125.139.113
vk-in-f113.1e100.net
74.125.139.101
vk-in-f101.1e100.net
74.125.139.138
vk-in-f138.1e100.net
74.125.139.139
vk-in-f139.1e100.net
74.125.139.102
vk-in-f102.1e100.net
74.125.139.100
vk-in-f100.1e100.net

groups.google.com.
groups.l.google.com.
2607:f8b0:400c:c05::66
2607:f8b0:400c:c05::8a
2607:f8b0:400c:c05::8b
2607:f8b0:400c:c05::71

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.
groups.google.com.
groups.l.google.com.