128.138.129.81 — Denver, Colorado, 🇺🇸 USA · AS104 COLORADO-AS

PTR

smtp-comp-hybrid.colorado.edu

A record for

`smtp-comp-hybrid.colorado.edu`
	A	128.138.129.81
`smtp.gtm.colorado.edu`
	A	128.138.129.81

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Denver, Colorado, 🇺🇸 USA

^{🇺🇸 COLORADO-AS128.138.0.0/16 University of Colorado Boulder}

128.138.129.81 Denver, Colorado, 🇺🇸 USA Courtesy of