71 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.
Change watch for dmarc tag sp: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with befor...
Change watch for dmarc tag rua: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with befo...
Change watch for dmarc tag ruf: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with befo...
Change watch for dmarc tag pct: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with befo...
Change watch for dmarc tag adkim: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with be...
Change watch for dmarc tag aspf: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with bef...
Change watch for dmarc tag fo: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with befor...
Change watch for dmarc tag rf: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with befor...
Change watch for dmarc tag ri: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with befor...
Change watch for dmarc tag v: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before...
Email authentication and deliverability report for a domain in one call: SPF (with -all check), DMARC policy strength, DKIM presence across common selectors, MTA-STS, BIMI and MX, combined into a 0-100 score with an A-F...
Can this domain be spoofed? Checks whether SPF and DMARC together actually block forged mail: missing DMARC, p=none, pct below 100, SPF +all or ?all, or no SPF at all mean attackers can send email as the domain. Returns...
DMARC record parser and validator: paste any DMARC TXT string and get the policy, subdomain policy, percentage, report addresses, alignment modes, whether it enforces, and warnings for common mistakes (p=none, missing ru...
Detect language, formality and tone of a text with confidence scores. Deterministic heuristics + compact wordlists. Returns iso_639-1 + register. — $0.001 USDC/call on eip155:8453. Pay-per-call via x402 — no API key, no...
Privacy-safe email verification evidence for agents at microprice. Validates syntax and domain mail readiness with live MX/A/AAAA DNS plus SPF and DMARC, role/free-provider/known-disposable/typo signals, a bounded 0-100...
Email deliverability audit for a domain: MX records, parsed SPF with qualifier grading, DMARC policy grade, DKIM selector probing (12 common selectors), and DNSBL reputation checks (dronebl, SpamCop, Barracuda, Spamhaus)...
DNS and email-authentication audit for one domain: A/AAAA presence, NS count and whether the nameservers share a /24, MX (including a null MX), SPF (missing, multiple, +all, ~all, ?all), DMARC (missing, p=none, no rua, p...
AI-agent readiness audit, $0.001 USDC per call: How ready is a website for AI agents? Live checks of /llms.txt, robots.txt rules for 12 AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended, CCBot…), sitemap.xml...
DNS and email-authentication audit for one domain: A/AAAA presence, NS count and whether the nameservers share a /24, MX (including a null MX), SPF (missing, multiple, +all, ~all, ?all), DMARC (missing, p=none, no rua, p...
composed email trust report from MX, SPF and DMARC DNS records for outreach, onboarding and anti-spoofing agents.
DMARC p= tag for a domain: policy for the domain (none, quarantine, reject). Reads _dmarc.<domain> (Cloudflare DoH), parses the record and returns the p value (or that it is absent, with the default that then applies) pl...
Base or Ethereum contract address -> ABI and function list: Sourcify verification (exact/partial match), contract name, compiler, ABI, function selectors + signatures, event topics; proxies (EIP-1967, ZeppelinOS, others...
DMARC check for a domain: finds the TXT record, policy mode and aggregate-reporting signal for email trust decisions.