Find all domains that use the same name server

By using the Reverse NS service you can iIdentify other domains that share the name server or the same hosting company.

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100 free requests monthly. No credit card required.

Reverse NS product line includes

Lookup

Identify other domains that share the name server or the same hosting company with our handy GUI tool.

Reverse NS Lookup | Whois XML API
Reverse NS API | Whois XML API

API

With a single API call, Identify domains that share the name server or the same hosting company, using the world’s largest constantly updated database with billions of existing records.

DNS Database Download

The passive DNS database is a large Historic DNS repository with 2 billion hostnames and hundreds of billions of Historic DNS Lookups. We offer an exhaustive and properly parsed passive DNS database in the format of an MYSQL dump or a CSV file that can be easily processed by your application.

DNS Database Download | Whois XML API

Benefits

  • Сomprehensive & up-to-date

    We provide service based on world’s largest constantly updated database with 1,473,142,430 domains and subdomains, 196,463,291 NS records updated daily.

  • Fast response & easy integration

    All the results are duly parsed and normalized to a consistent format such as JSON and XML to easily integrate with your business processes.

Reverse NS Overview | Whois XML API

Get 100 free credits monthly. No credit card required.

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