DNS & EMAIL INTELLIGENCE

Domain Health Analyzer

Instantly audit SPF, DKIM, DMARC, MX records, nameservers, WHOIS and email deliverability for any domain.

Hostname (optional)

DKIM selector (optional)

DNS Resolver

PTR lookup IP (optional)

SRV name (optional)

SMTP test host (optional)

DKIM is stored under selector._domainkey.domain. If you don’t know the selector, the app will try common selectors.

SPF & DMARC

DKIM Lookup

MX Records

Nameservers

WHOIS Info

CNAME & A

Email Deliverability Score

Summary

Uses public DNS-over-HTTPS endpoints and RDAP. Some domains may block or rate-limit queries.

Tools

SPF/DMARC generators, DMARC XML parser, header analyzer, email extraction

Domain

Includes (comma-separated)

IP4 (comma-separated)

IP6 (comma-separated)

All mechanism

Domain

Policy (p=)

Aggregate reports (rua=)

Percent (pct=)

Text

Raw email headers

Domain Health Analyzer

SPF Record

DKIM Records

DMARC Record

MX Records

SMTP Test (25)

Nameservers (NS)

Hostname (A/AAAA/CNAME)

WHOIS (RDAP)

TXT Records (All)

SOA Record

DNSKEY Records

DS Records

LOC Record

SRV Records

PTR (Reverse DNS)

DNS Propagation

BIMI (TXT)

MTA-STS (TXT)

TLSRPT (TXT)

Email Compliance

SPF Generator

DMARC Generator

DMARC Delivery Report (XML Parser)

Email Extraction

Header Analyzer