DNS · Email · TLS · WHOIS · Network
15 global resolvers. Email auth audit. TLS inspection. Header analysis. All instant, no account.
DNS records
All record types (A, AAAA, MX, NS, TXT, SOA, SRV, CAA)
Propagation
Query 15 global resolvers, see who agrees
Email auth
SPF, DKIM, DMARC, MTA-STS, TLS-RPT, BIMI
TLS / SSL
Certificate chain, expiry, ALPN, cipher
WHOIS
Registrar, creation, expiry, status
HTTP headers
Security header grade (HSTS, CSP, etc.)
Blacklists
Check against 10 major DNSBLs
DNSSEC
DNSKEY + DS presence
Ping
TCP RTT timing, 5-sample average
Port check
TCP reachability across 18 well-known ports
HTTP probe
Status, headers, redirect chain, timing breakdown
Traceroute
Hop-by-hop network path (TCP mode)
GeoIP / ASN
Country, region, city, coords, timezone
Header analyzer
Parse email headers: hops, delays, auth, spam verdicts
Speed test
DNS, TCP, TLS, HTTP, WHOIS performance metrics
Compare
Diff DNS records + WHOIS facts for two domains
Batch
Auditor mode: WHOIS or DNS over up to 10 domains