Question and response
Question
dig _spf.nrtc.syn-alias.com. TXT
Answer
_spf.nrtc.syn-alias.com. 3600 TXT "v=spf1 mx ip4:150.136.204.204 ip4:129.213.214.220 ip4:129.158.55.198 ip4:69.168.108.15 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0