smtp.google.com.

64.233.184.27
wa-in-f27.1e100.net
142.251.173.27
wi-in-f27.1e100.net
64.233.184.26
wa-in-f26.1e100.net
142.251.168.26
wh-in-f26.1e100.net
142.251.168.27
wh-in-f27.1e100.net

smtp.google.com.
2a00:1450:400c:c1d::1b
2a00:1450:400c:c0b::1b
2a00:1450:400c:c0b::1a
2a00:1450:400c:c1d::1a