Question and response
Question
dig mail5.usbank.com. NSEC
Answer
The response has no answer records.
Authority
usbank.com. 180 SOA ns2.usbank.com. domainadmin.usbank.com. 2026030301 28800 3600 604800 180
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0