Question and response
Question
dig _netblocks.synchronoss.com. TXT
Answer
_netblocks.synchronoss.com. 1800 TXT "v=spf1 ip4:68.170.16.0/20 ip4:74.116.104.0/21 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0