Question:

How does historical Reverse Whois searching work in Iris?

Answer:

How does historical Reverse Whois searching work in Iris?

There are three query types for which Iris can search back through over 15 years of historical Whois records:
– Email address
– Registrant
– Whois Record Contains
By default, historical searching is enabled on these fields, though it can be turned off via the Settings menu in Pivot Engine.
When you search on an email address or on a word (or more than one word) in the main search box, Iris searches current as well as historical records for domains that do, or did, match the term.
Example: Bob Grommetsworth owns the domain bobsawesomedomain.com and registered it with the email address [email protected]. Bob also at one time registered bobandalicesweddingregistry.com but let it expire and someone else owns it now. If you search in the Iris search box for [email protected], Iris will return both of these domains, because one of them does match the email address, and the other did match it.
Likewise, if you search on Bob Grommetsworth in the search box, you will see both of the domains. And, if Bob registered another domain using the name grommetsworth, bob, this, too, will match and be listed among the results. For the historical searches, order does not matter, and the search is case-insensitive. The technical reason for this is that, “under the hood,” Iris actually makes two simultaneous queries to different data sources. The current records are searched with a “Registrant Matches” operator, while the historical records are searched with a “Whois Record Contains” operator–the latter of which is case- and order-insensitive.

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