Question and response
Question
dig spf.tmems-jp.trendmicro.com. TXT
Answer
spf.tmems-jp.trendmicro.com. 300 TXT "v=spf1 ip4:18.176.203.128/26 ip4:18.176.203.192/26 ip4:18.177.156.0/26 ip4:18.177.156.64/26 ip4:15.168.56.0/25 ip4:15.168.49.64/26 ip4:15.168.56.128/26 ip6:2406:da14:194d:a200::/60 ~all"
Authority
tmems-jp.trendmicro.com. 172800 NS ns-1489.awsdns-58.org.
tmems-jp.trendmicro.com. 172800 NS ns-1980.awsdns-55.co.uk.
tmems-jp.trendmicro.com. 172800 NS ns-306.awsdns-38.com.
tmems-jp.trendmicro.com. 172800 NS ns-738.awsdns-28.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0