Zone apex
Start of authority
Email
Serial
2026021900
Refresh
3h
Retry
1h
Expire
28d
Negative cache TTL
10m
Question and response
Question
dig smtp.ptech.lu. SOA
Answer
The response has no answer records.
Authority
ptech.lu. 600 SOA ns3.pt.lu. hostmaster.ns1.pt.lu. 2026021900 10800 3600 2419200 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0