texas.rr.com has no MX records.
Question and response
Question
dig texas.rr.com. MX
Answer
The response has no answer records.
Authority
texas.rr.com. 3600 SOA dns1.rr.com. hostmaster.charter.com. 2025060223 43200 3600 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0