107.21.57.45 — Ashburn, Virginia, 🇺🇸 USA · AS14618 Amazon

PTR

mail2.sertifi.net

A record for

`spf2.hyatt.com`
	A	12.129.199.61
	A	12.129.219.155
	A	52.1.96.230
	A	52.5.119.169
	A	52.20.128.29
	A	52.20.155.14
	A	65.52.41.190
	A	65.220.57.4
	A	65.220.57.34
	A	107.21.57.45
	A	204.93.207.42
	A	205.220.108.202
	A	206.16.57.70
	A	209.135.36.206
	A	216.251.231.81
	A	216.251.231.82
	A	216.251.231.83

Previously A record for

mail2.sertifi.net

IP numbers used in conjunction

100%	12.129.199.61
100%	12.129.219.155
100%	52.1.96.230
100%	52.5.119.169
100%	52.20.128.29
100%	52.20.155.14
100%	65.52.41.190
100%	65.220.57.4
100%	65.220.57.34
100%	204.93.207.42

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Ashburn, Virginia, 🇺🇸 USA

^{🇺🇸 Amazon107.21.0.0/18 EC2 IAD prefix}

107.21.57.45 Ashburn, Virginia, 🇺🇸 USA Courtesy of