Question and response
Question
dig _spf_useast2.prod.hydra.sophos.com. TXT
Answer
_spf_useast2.prod.hydra.sophos.com. 300 TXT "v=spf1 ip4:85.113.84.0/24 ip4:103.246.251.0/24 ip4:18.216.23.16/28 ip4:18.216.23.48/28 ip4:18.216.23.15/32 ip4:18.216.13.134/31 ip4:18.216.13.136/32 ~all"
Authority
prod.hydra.sophos.com. 172800 NS ns-1043.awsdns-02.org.
prod.hydra.sophos.com. 172800 NS ns-1793.awsdns-32.co.uk.
prod.hydra.sophos.com. 172800 NS ns-494.awsdns-61.com.
prod.hydra.sophos.com. 172800 NS ns-684.awsdns-21.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0