smtp.ptech.lu has no TXT records.
Question and response
Question
dig smtp.ptech.lu. TXT
Answer
The response has no answer records.
Authority
ptech.lu. 600 SOA ns3.pt.lu. hostmaster.ns1.pt.lu. 2026030400 10800 3600 2419200 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0