PTR

ais.columbia.edu

alphaproddc07.ais.columbia.edu

gc._msdcs.ais.columbia.edu

A record for

`ais.columbia.edu`
	A	128.59.90.42
	A	128.59.90.232
	A	207.10.140.15
`alphaproddc07.ais.columbia.edu`
	A	128.59.90.232
`gc._msdcs.ais.columbia.edu`
	A	128.59.90.42
	A	128.59.90.232
	A	207.10.140.15

66%	128.59.90.42
66%	207.10.140.15

New York City, New York, 🇺🇸 USA

^{🇺🇸 COLUMBIA-GW128.59.0.0/16 CU-NET-128-59-0-0}