zone apex SPF はひどいが、実際の送信には使われていない。-- ToshinoriMaeno 2024-03-08 23:52:47

• これも詐称対策になるか。ならん。

lnt.org.                69      IN      TXT     "v=DMARC1; p=none; sp=none"
lnt.org.                69      IN      TXT     "v=spf1 include:_spf.google.com include:sendgrid.net ~all"
lnt.org.                69      IN      TXT     "v=spf1 include:one.zoho.com ~all"
lnt.org.                69      IN      TXT     "v=spf1 ip4:104.255.221.57 include:server.zestardshop.com ~all"
....

1. history

em2834.lnt.org.         300     IN      CNAME   u945430.wl181.sendgrid.net.
u945430.wl181.sendgrid.net. 1800 IN     TXT     "v=spf1 ip4:168.245.56.130 -all"

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