. to cv: The glue address(es) for ns-ext.isc.org (2001:4f8:0:2::13) differed from its authoritative address(es) (2001:500:6b:2::126). See RFC 1034, Sec. 4.2.2.
. to cv: The glue address(es) for ns-ext.isc.org (204.152.184.64) differed from its authoritative address(es) (149.20.2.126). See RFC 1034, Sec. 4.2.2.