Question and response
Question
dig _spf.rcn.com. TXT
Answer
_spf.rcn.com. 86400 TXT "v=spf1 ip4:207.172.4.0/24 ip4:207.172.157.0/24 ip4:208.58.56.0/24 ip4:129.213.13.252 ip4:129.159.122.98 ip4:129.159.102.251 ip4:129.159.91.181 ip4:69.168.108.11 ip4:146.115.106.224/27 ip4:129.159.93.171 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0