Question and response
Question
dig eu._netblocks.mimecast.com. TXT
Answer
eu._netblocks.mimecast.com. 300 TXT "v=spf1 ip4:195.130.217.0/24 ip4:91.220.42.0/24 ip4:146.101.78.0/24 ip4:207.82.80.0/24 ip4:213.167.81.0/25 ip4:193.7.207.0/25 ip4:213.167.75.0/25 ip4:185.58.85.0/24 ip4:185.58.86.0/24 ip4:193.7.206.0/25 ip4:147.28.36.0/24 ~all"
Authority
mimecast.com. 86400 NS dns04.mimecast.net.
mimecast.com. 86400 NS dns01.mimecast.net.
mimecast.com. 86400 NS dns03.mimecast.net.
mimecast.com. 86400 NS dns02.mimecast.net.
Additional
dns01.mimecast.net. 300 A 185.58.87.12
dns02.mimecast.net. 300 A 205.139.110.125
dns03.mimecast.net. 300 A 195.130.217.24
dns04.mimecast.net. 300 A 170.10.128.103
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0