DNS Lookup - Forward and Reverse (A, MX, TXT, DMARC, PTR)

xyzzy/dns-lookup

Quickly retrieve DNS records (A, AAAA, MX, CNAME, TXT, DMARC, NS, SOA) or perform reverse DNS lookups. Ideal for DNS audits, cybersecurity analysis, competitor intelligence, sales & marketing outreach, tech stack identification, domain monitoring, and DNS troubleshooting.

Gets the IP addresses & *Reverse DNS from an input url. *Reverse DNS is IP address to domain name mapping - the opposite of forward (normal) DNS which maps domain names to IP addresses.

Domain Inspector

visita/domain-inspector

A powerful, all-in-one tool to perform DNS lookups, WHOIS queries, HTTP status checks, and SSL certificate validation for a list of domains. It can clean full URLs down to the bare domain (e.g., https://www.apify.com/store → apify.com) and run all checks in a single batch.

IP WHOIS & Inspector

visita/ip-whois-inspector

A fast, all-in-one tool to perform WHOIS, Reverse DNS, Geolocation, and Port Scanning for a list of IP addresses. It finds the ISP, network owner, hostname, geographic location, and open ports for any public IPv4 or IPv6 address.

Domain Availability, Expiry, WHOIS, DNS, IP, ASN, 70+ TLD

datascoutapi/DomainDaddy

Domain availability and expiry dates, WHOIS & RDAP data, DNS (A, MX, NS, TXT), IP geolocation and ASN details, calculates domain age, and supports batch processing. Supports 70+ TLDs, handles errors gracefully, and delivers clean, structured JSON output.

IP Address Information Scraper

ryancoffey/ip-address-information-scraper

IP Address Information Scraper

Subdomain Finder & Reverse IP

canadesk/subdomain-finder-reverse-ip

Enumerate Subdomains and Reverse IPs with RapidDNS, Anubis, AlienVault and crt.sh! It's fast and costs little.

Website DNS Scraper - Mail provider / tech stack

saswave/website-dns-scraper

From a list of domain names, get infos about tech stack (hubspot, webflow, klaviyo ...) used and mail provider (google, outlook ...) + All the dns records (TXT, A, SOA ..) DNS based

Domain Registration Date Checker

tuningsearch/domain-registration-time

🔥 Only $1.0 per 1,000 domain queries 🔥 **CHEAPEST** Domain Registration Date Extractor & WHOIS Lookup Tool

Fast WHOIS domain lookup. Get domain registration data including status, nameservers, registrar info, expiration dates, DNSSEC, and contacts. Supports all major TLDs (.com, .org, .io, .uk, etc). $0.001 per result.