Question and response
Question
dig _spf1.shell.com. TXT
Answer
_spf1.shell.com. 300 TXT "v=spf1 ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:199.91.137.26 ip4:148.139.0.2 ip4:148.139.1.2 ip4:192.161.144.0/20" " ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:216.198.0.0/18 ip4:103.151.192.0/23 exists:%{i}.delivery.ser.emailrouter.com -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0