Question and response
Question
dig _spf.telstra.net. TXT
Answer
_spf.telstra.net. 900 TXT "v=spf1 ip4:203.50.90.0/24 ip4:203.50.40.0/24 ~all"
Authority
telstra.net. 86400 NS dns0.telstra.net.
telstra.net. 86400 NS dns1.telstra.net.
Additional
dns0.telstra.net. 300 A 203.50.248.13
dns0.telstra.net. 300 A 203.50.248.5
dns1.telstra.net. 300 A 203.50.248.6
dns1.telstra.net. 300 A 203.50.248.14
dns0.telstra.net. 300 AAAA 2001:8000:0:3100:9999:0:0:13
dns1.telstra.net. 300 AAAA 2001:8000:0:3100:9999:0:0:14
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0