Question and response
Question
dig mastercard.net.do. DNAME
Answer
The response has no answer records.
Authority
mastercard.net.do. 300 SOA dns1.mastercard.com. hostmaster.mastercard.com. 20241207 14400 3600 2419200 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0