Contents
1. 登録用案内メール
From XX@ap-northeast-1.amazonses.com
Received: from e234-57.smtp-out.ap-northeast-1.amazonses.com (23.251.234.57) ESMTPS
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple;
s=rpbi66lyisg7vd5af4u2guxv7odazcpy; d=tobe-community.jp;
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s=zh4gjftm6etwoq6afzugpky45synznly; d=amazonses.com; t=1702898840;
h=Date:From:To:Message-ID:Subject:Mime-Version:Content-Type:Content-Transfer-Encoding:Feedback-ID;
Date: Mon, 18 Dec 2023 11:27:20 +0000
From: no-reply@tobe-community.jp
2. amazonses
SPFに抜かりはない。
ap-northeast-1.amazonses.com. 900 IN TXT "spf2.0/pra include:amazonses.com -all" ap-northeast-1.amazonses.com. 900 IN TXT "v=spf1 include:amazonses.com -all" amazonses.com. 900 IN TXT "v=spf1 ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/20 ip4:52.82.172.0/22 ip4:54.240.64.0/19 ip4:54.240.96.0/19 ip4:76.223.128.0/19 -all"
3. tobe-community.jp
こちらからのメールは見かけない。
tobe-community.jp. 300 IN TXT "v=spf1 include:mail.zendesk.com ?all"
mail.zendesk.com. 3600 IN TXT "v=spf1 ip4:103.151.192.0/23
ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:192.161.144.0/20 ip4:216.198.0.0/18 ~all"
tobe-community.jp. 300 IN MX 10 mail12.onamae.ne.jp.
mail12.onamae.ne.jp. 86400 IN A 150.95.219.17