173.194.42.109 — Chicago, Illinois, 🇺🇸 USA · AS15169 Google

PTR

yucbfwv-in-f109.1e100.net

A record for

`alt4.smtp.gmail.com`
	A	2a00:1450:400c:c23::6c
	A	172.253.157.109

IP numbers used in conjunction

100%	2a00:1450:400c:c23::6c
100%	172.253.157.109

🛡️Is this IP blacklisted?Check against 50+ spam databases→🌐173.194.0.0/1666K IPs · AS15169 Google→🔧AS15169Google autonomous system→

Chicago, Illinois, 🇺🇸 USA

^{🇺🇸 Google173.194.0.0/16}

173.194.42.109 Chicago, Illinois, 🇺🇸 USA Courtesy of