Question and response
Question
dig _spf.kubra.com. TXT
Answer
_spf.kubra.com. 1800 TXT "v=spf1 ip4:209.112.4.0/24 ip4:72.14.161.0/24 ip4:44.234.58.249 ip4:52.224.124.238 ip4:15.157.187.128/26 ip4:18.97.31.128/26 ip4:192.103.255.0/24 ip4:35.95.82.128/25 ip4:192.103.254.0/24 ip4:40.177.47.0/25 include:_spf.sendgrid.kubra.com -all"
Authority
kubra.com. 86400 NS pdns112.ultradns.biz.
kubra.com. 86400 NS pdns112.ultradns.com.
kubra.com. 86400 NS pdns112.ultradns.net.
kubra.com. 86400 NS pdns112.ultradns.org.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0