Question and response
Question
dig upsinternettools.com. NS
Answer
upsinternettools.com. 3600 NS cmtu.mt.ns.els-gms.att.net.
upsinternettools.com. 3600 NS auth1.dns.cogentco.com.
upsinternettools.com. 3600 NS auth2.dns.cogentco.com.
upsinternettools.com. 3600 NS nsb.ups.com.
upsinternettools.com. 3600 NS nsa.ups.com.
upsinternettools.com. 3600 NS cbru.br.ns.els-gms.att.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0