Zone apex
Start of authority
Email
Serial
2011072602
Refresh
4h
Retry
1h
Expire
28d
Negative cache TTL
5m
Question and response
Question
dig mastercard-email.com. SOA
Answer
mastercard-email.com. 3600 SOA dns1.mastercard.com. hostmaster.mastercard.com. 2011072602 14400 3600 2419200 300
Authority
mastercard-email.com. 3600 NS a9-64.akam.net.
mastercard-email.com. 3600 NS dns2.mastercard.com.
mastercard-email.com. 3600 NS a1-29.akam.net.
mastercard-email.com. 3600 NS a26-66.akam.net.
mastercard-email.com. 3600 NS a18-64.akam.net.
mastercard-email.com. 3600 NS a22-65.akam.net.
mastercard-email.com. 3600 NS dns1.mastercard.com.
mastercard-email.com. 3600 NS a7-67.akam.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0