NS:
ext-ns2.columbia.edu
[128.59.1.2]
[2001:18d8::53] [2001:18d8:1:1::1:1]
Authoritative For:
(5)
(5)
ext-ns2.columbia.edu
[128.59.1.2]
[2001:18d8::53] [2001:18d8:1:1::1:1]