Don't know how to get started?

Check some examples of what you can do

CDN Providers

Find all domains using CloudFlare, Sucuri or Fastly

Email Providers

Find all domains using Hey or ProtonMail

Hosting Providers

Subdomains using Shopify or Gitlab

Sub Domain Discovery

Find all subdomains from Cisco, Microsoft, xbox or Sony

Domains per IP Address

Find all domains on a Bluehost or GoDaddy

Service discovery, reverse lookup, IP history,

all here..

Service Discovery

Find domains using a specific product or service.

IP Reverse Lookup

Find domains behind an IP address.

Sub Domains Discovery

Find subdomains associated with an organization.

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Domain and DNS Intelligence Platform

DNSArchive is a free DNS and IP intelligence platform that helps researchers, analysts, and cybersecurity professionals identify and investigate domain names, IP addresses, subdomains, and historical DNS records. With over 229 million domains archived, it offers visibility into the global domain space.

Use DNSArchive (known as DNSRepo) to search for specific domain names, investigate historical IP ownership, and perform reverse DNS lookups. Find domains that share the same IP address and uncover the full domain footprint of organizations across the internet. These capabilities are essential for threat hunting, vulnerability research, and attribution efforts.

Whether you're looking to map an attack surface, monitor domain infrastructure changes, or discover connections between assets, DNSArchive provides actionable insights and a reliable historical DNS database. Our tools are used by security teams, SOC analysts, and researchers globally.

Start exploring for free the DNS records, subdomain enumeration, IP-to-domain resolution, and email infrastructure mapping all in one place. DNSArchive is your go-to resource for DNS investigation and internet infrastructure discovery.

DNS Database Search

Over 229m domains (229,987,097 to be exact) and their IP history available for free.