ntfj.net

mname: kotetsu.alpha-lt.net rname: postmaster.alpha-web.ne.jp
serial: 2023081100
refresh: 10800 retry: 3600
expire: 604800 minimum: 3600

amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp

ampub01.alpha-mail.net(10), ampub02.alpha-mail.net(10), ampub03.alpha-mail.net(10), ampub04.alpha-mail.net(50)

v=spf1 ip4:157.205.202.0/24 ip4:157.205.203.128/25 ip4:216.230.250.0/24 ip4:216.230.251.0/24 ip4:216.230.252.0/24 ip4:216.230.254.0/24 ip4:157.205.123.224/28 ip4:157.205.123.240/28 ip4:157.205.248.64/26 ~all

216.230.253.64