{
 "title": "DMARC Shark — Email DNS Checker",
 "site": "台灣 AI 代理人任務中樞",
 "canonical": "https://penguindriver.com/s/com.dmarcshark%2Femail-dns-checker",
 "markdown": "https://penguindriver.com/s/com.dmarcshark%2Femail-dns-checker.md",
 "summary": "Check a domain's public SPF, DMARC, MX and DKIM DNS records on demand. No account required.",
 "date_modified": null,
 "retrieved": "2026-10-19",
 "content_sha256": "dc42941b39b2cdf4b53dc21d9e900f1d658543e1baa9dc1e0633261075d412cd",
 "fingerprint_basis": "Markdown 版全文，移除贊助行與開頭 front matter，去除頭尾空白",
 "verify": {
  "text_snapshot": "https://penguindriver.com/cite?path=%2Fs%2Fcom.dmarcshark%252Femail-dns-checker&format=text",
  "how": "下載 text_snapshot 後計算 SHA-256，應與 content_sha256 相同；內容更新時指紋會改變"
 },
 "sources": [
  {
   "name": "https://github.com/skatkov/dmarcshark",
   "url": "https://github.com/skatkov/dmarcshark"
  },
  {
   "name": "https://dmarcshark.com",
   "url": "https://dmarcshark.com"
  }
 ],
 "source_count": 2,
 "cite_as": {
  "zh": "DMARC Shark — Email DNS Checker｜台灣 AI 代理人任務中樞。https://penguindriver.com/s/com.dmarcshark%2Femail-dns-checker（資料日期 未標示，擷取 2026-10-19）",
  "apa": "台灣 AI 代理人任務中樞. (2026). DMARC Shark — Email DNS Checker. Retrieved 2026-10-19, from https://penguindriver.com/s/com.dmarcshark%2Femail-dns-checker",
  "markdown": "[DMARC Shark — Email DNS Checker](https://penguindriver.com/s/com.dmarcshark%2Femail-dns-checker)（台灣 AI 代理人任務中樞，2026-10-19）"
 },
 "license": "可引用，請附上正式網址與資料日期"
}