172.253.157.108 — Mountain View, California, 🇺🇸 USA · AS15169 Google

PTR

yubrupd-in-f108.1e100.net

A record for

`alt4.smtp.gmail.com`
	A	2a00:1450:400c:c23::6d
	A	172.253.157.108

Previously A record for

gmail-imap.l.google.com

IP numbers used in conjunction

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

🛡️Is this IP blacklisted?Check against 50+ spam databases→🌐172.253.0.0/1666K IPs · AS15169 Google→🔧AS15169Google autonomous system→

Mountain View, California, 🇺🇸 USA

^{🇺🇸 Google172.253.0.0/16}

172.253.157.108 Mountain View, California, 🇺🇸 USA Courtesy of