Microsoft
Domain verification
MS=ms26744298
Question and response
Question
dig playbackmail.com. TXT
Answer
playbackmail.com. 300 TXT "MS=ms26744298"
playbackmail.com. 300 TXT "v=spf1 ip4:122.248.254.30 include:spf.playbackmail.com ip4:54.64.189.130 ip4:35.73.187.156 ip4:54.248.30.215 ip4:13.112.48.251 ip4:52.193.123.196 ip4:43.206.86.215 ip4:18.178.172.238 ip4:18.177.8.178 " "ip4:52.198.177.43 ip4:52.193.59.54 ip4:57.181.71.135 include:spf.protection.outlook.com ~all"
Authority
playbackmail.com. 172800 NS ns-1383.awsdns-44.org.
playbackmail.com. 172800 NS ns-1640.awsdns-13.co.uk.
playbackmail.com. 172800 NS ns-406.awsdns-50.com.
playbackmail.com. 172800 NS ns-722.awsdns-26.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0