mrtg.mojavewifi.com has no CNAME records.
Question and response
Question
dig mrtg.mojavewifi.com. NS
Answer
The response has no answer records.
Authority
mojavewifi.com. 3799 SOA ns1.mojavewifi.com. service.mojavewifi.com. 2026010206 10800 3600 1209600 38400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0