Question and response
Question
dig _spf.sonicsecuremail.eu. TXT
Answer
_spf.sonicsecuremail.eu. 600 TXT "v=spf1 ip4:52.169.161.133/32 ip4:13.79.240.195/32 ip4:20.238.62.160/32 ip4:20.229.15.236/32 ip4:51.140.72.248/32 -all"
Authority
sonicsecuremail.eu. 86400 NS pdns1.ultradns.net.
sonicsecuremail.eu. 86400 NS pdns2.ultradns.net.
sonicsecuremail.eu. 86400 NS pdns3.ultradns.org.
sonicsecuremail.eu. 86400 NS pdns4.ultradns.org.
sonicsecuremail.eu. 86400 NS pdns5.ultradns.info.
sonicsecuremail.eu. 86400 NS pdns6.ultradns.co.uk.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0