--- title: "無料SPFバリデーター - SPFレコードの構文とコンプライアンスをチェック | DMARC Report" description: "任意のSPFレコードの構文エラー、DNSルックアップ上限の超過、voidルックアップ、RFC 7208へのコンプライアンスを検証します。無料、登録不要。" image: "https://dmarcreport.com/images/og-default.png" canonical: "https://dmarcreport.com/ja/tools/spf-validator/" --- ## このSPFバリデーターは何をチェックしますか？ **構文の検証** 正しいv=spf1プレフィックス、有効なメカニズム、適切な修飾子。プロトコルは初めてですか？[SPFとは](/ja/spf-toha/)をご覧ください。 **DNSルックアップ回数** RFC 7208 §4.6.4により10回以下でなければなりません **voidルックアップの検出** 空のレスポンスに解決されるincludeを含みます（2回以下が許容されます） **非推奨メカニズムの警告** ptrの使用にフラグを立てます（RFC 7208 §5.5では非推奨） **マクロの検出** 動的解決のためのSPFマクロ構文を識別します **includeの再帰的な展開** ネストされたルックアップチェーンを示す完全なメカニズムツリー。ライブルックアップには[SPFチェッカー](/ja/tools/spf-checker/)をご利用ください。 ## SPFの検証に失敗しましたか？ DMARC ReportはSPF、DKIM、DMARCの結果を監視するため、失敗が配信到達性に影響を与える前に検知して修正できます。 [無料トライアルを開始](https://app.dmarcreport.com/signup?plan=free) ## プロフェッショナルに信頼されています ![G2 Leader - DMARC](https://media.mailhop.org/dmarcreport/images/g2-badges/DMARC_Leader_Leader.png) Rated 4.8/5 on G2 · 469 verified reviews ![G2 Momentum Leader - DMARC](https://media.mailhop.org/dmarcreport/images/g2-badges/DMARC_MomentumLeader_Leader.png) DG Dave G. Owner 5/5 ### "DMARC Report has been invaluable in fixing email deliverability issues for our clients" DMARC Report dashboard allows us to see easily what is compliant and what isn't compliant so we can quickly fix issues. 9/27/2022Verified on G2 AL Antoine L. 5/5 ### "Incredible Service for an affordable price" The software is easy to use and has also an entry friendly free plan up to 1,000 mails per month. 9/12/2023Verified on G2 ZK Zunaid K. Director 5/5 ### "Essential tool for email delivery" This tool helps us to implement DMARC reporting for our domains in an easy to use manner. 8/8/2024Verified on G2 [Read all 469 reviews on G2 →](https://www.g2.com/products/dmarc-report/reviews) ```json {"@context":"https://schema.org","@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com","logo":{"@type":"ImageObject","url":"https://dmarcreport.com/images/dmarcreport-logo.png"},"description":"DMARC reporting and email authentication management. 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Monitor aggregate and forensic DMARC reports, analyze authentication results, and enforce DMARC policies across all your domains.","publisher":{"@type":"Organization","name":"DMARC Report","url":"https://dmarcreport.com","logo":{"@type":"ImageObject","url":"https://dmarcreport.com/images/dmarcreport-logo.png"},"description":"DMARC reporting and email authentication management. 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