Question and response
Question
dig foppapedretti-smtp.sferamail.pro. A
Answer
foppapedretti-smtp.sferamail.pro. 600 A 136.144.214.108
Authority
sferamail.pro. 86400 NS dns.sfera.net.
sferamail.pro. 86400 NS thunder.sfera.net.
Additional
dns.sfera.net. 3600 A 80.91.49.210
dns.sfera.net. 3600 AAAA 2a02:6000:53:0:0:0:0:53
thunder.sfera.net. 3600 A 80.91.50.194
thunder.sfera.net. 3600 AAAA 2a02:6000:53:1:0:0:0:53
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0