DNSinstant Advanced
⚠️ Under Construction — This webpage is currently being improved. You may encounter errors or experience interrupted API calls. Please bear with us

Advanced DNS Toolkit

Full‑spectrum DNS analysis: record lookup, reverse IP, subdomain discovery (via Certificate Transparency logs), propagation checks, WHOIS/RDAP, and historical records.

DNS Record Lookup full
Enter a domain and press Query.
DNS History archive
Enter a domain to see historical DNS records.
Reverse IP & Geo ptr
Enter an IPv4 or IPv6 address.
DNS Propagation multi‑resolver
Check propagation across multiple resolvers.
Subdomain Discovery CT logs
Fetches subdomains from Certificate Transparency logs (crt.sh).
WHOIS / RDAP registration
Fetch domain registration data via RDAP (with WHOIS fallback).