3 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Email deliverability & domain security check — validates SPF, DKIM (multi-selector), and DMARC, detects spoofing and misconfigurations, and returns an A–F email security grade with transparent deductions. Anti-spam / ant...
Website uptime and change check: is this URL up right now, and has the page changed? Fetches the URL and returns the HTTP status, Last-Modified and ETag headers, a SHA-256 fingerprint of the content, and whether it chang...
Crypto & token prices: live USD spot price for one or more coins/tokens by coin id — market coins (e.g. "coingecko:bitcoin", "coingecko:ethereum") or any ERC-20 by contract (e.g. "ethereum:0xdAC17..."). Real-time bitcoin...