Provide current and historical ownership information on domains / IPs. Identify all connections between domains, registrants, registrars, and DNS servers.
Look into all current and historical DNS / IP connections between domains and A, MX, NS, and other records. Monitor suspicious changes to DNS records.
Get detailed context on an IP address, including its user’s geolocation, time zone, connected domains, connection type, IP range, ASN, and other network ownership details.
Access our web-based solution to dig into and monitor all domain events of interest.
Get access to a web-based enterprise-grade solution to search and monitor domain registrations and ownership details for branded terms, fuzzy matches, registrants of interest, and more.
Our complete set of domain, IP, and DNS intelligence available via API calls as an annual subscription with predictable pricing.
Offers complete access to WHOIS, IP, DNS, and subdomain data for product enrichment, threat hunting and more.
Enjoy priority data access with our premium API services topped with extra perks including dedicated team support, enterprise-grade infrastructure, and SLAs for full scalability and high performance.
Carry a complete threat intelligence analysis for a given domain or IP address and get access to a report covering 120+ parameters including IP resolutions, website analysis, SSL vulnerabilities, malware detection, domain ownership, mail servers, name servers, and more.
Gather threat intelligence via API calls covering Domain’s Infrastructure analysis, SSL Certificates Chain, SSL Configuration Analysis, Domain Malware Check, Connected Domains, and Domain Reputation Scoring.
Bolster enterprise security with our feeds covering Typosquatting domains, Disposable domains, Phishing URLs, Domain & IP reputation, Malicious URLs, Botnet C&C, and DDoS URLs.
We offer comprehensive services for the integration of our data – from consultations to the precise definition of the basic needs of the business to increase the work efficiency.
Set up and manage public WHOIS servers for your business. Our WHOIS parsing system is a utility that collects extensive information about any given domain by sending series of DNS and WHOIS queries. The report is generated in raw as well as in parsed format.
Regardless of whether you are a startup, a small business or a global one, our team is always ready to help you. Enterprises operating on a scale can also choose special premium support management with high priority 24/7 email and telephone responses and other professional services.
Get customized reports on TLDs covering datasets falling under domain name, WHOIS and DNS category.
We offer different ways—Lookup, API, Database—to check which domains are connected by a mail server.Get started
500 free API requests. No credit card required.
Simply type in a mail server address on our functional graphical user interface (GUI) to get a list of all the domain names that share it.
Reverse MX API allows you to see other domains that share the same mail server via API calls. It can be used in conjunction with existing security systems.
Our reverse mail server services glean data from DNS Database Download, one of the most extensive passive Domain Name System (DNS) repositories in the world. As a result of more than 12 years of data crawling, our database has amassed millions of mail server and nameserver records and billions of historical DNS records.
The passive DNS database that provides data for our reverse MX services is updated every week, further adding millions of historical DNS records. The database contains more than half a million MX records for billions of domains and subdomains.
Avoid mail server blacklisting and the consequent damage that can do to your email deliverability and domain reputation. Use our reverse MX solutions to pinpoint bad hosts that may be connected to spamming or malicious activities.
Expand your list of indicators of compromise (IoCs) and potentially related artifacts. Use our reverse MX tools to uncover connected domains that may otherwise seem unrelated to threats.
Assess how vulnerable specific third parties are to threats and compromise. Use our reverse MX solutions to analyze an organization's mailing functions by gaining insights into its network structure and possible security vulnerabilities.
Collect as much data as possible on threats and possibly their perpetrators. Use our reverse MX tools to do extensive research on potentially malicious mail servers and connected web properties.