Zone apex
Start of authority
Email
Serial
2026020506
Refresh
4h
Retry
15m
Expire
28d
Negative cache TTL
1h
Question and response
Question
dig adns2.ironport.com. SOA
Answer
The response has no answer records.
Authority
ironport.com. 3600 SOA ns1-93.akam.net. stbu-hostmaster.cisco.com. 2026020506 14400 900 2419200 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0