Question and response
Question
dig spf.squalomail.com. TXT
Answer
spf.squalomail.com. 3600 TXT "v=spf1 ip4:5.157.72.0/21 ip4:91.185.210.0/27 ip4:185.236.192.0/22 -all"
Authority
squalomail.com. 3600 NS ns2.itars.eu.
squalomail.com. 3600 NS ns1.itars.eu.
Additional
ns1.itars.eu. 180 A 5.157.72.1
ns2.itars.eu. 180 A 91.185.193.219
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0