Home > Results of Verification

Results of Verification

The result of the verification has a series of properties. Each property has one of these statuses: pass, fail, unknown, notused.
'Pass' stands for "is".
'Fail' stands for "is not".
'Unknown' is used for undefined status for a certain property in verification process of one email.

(Confidence) Score

This number from 0 to 100 represents the likelihood the email address is valid, expressed as a percentage.
The score for Free and Disposable emails will be 50 by default, because we are not checking SMTP for these types of emails at the moment.


The email address you provided

Role Based

Will be marked as "pass" if it is role-based which means that it has as an ELP words like: admin, office, shop, support, contact, help, info, sales, etc.

Free Email

Determines if the email is a custom business address or an ordinary one.
If an email address was created with one of the Free Email Service Providers, like Gmail, Yahoo, Hotmail, etc., this property will be marked as "pass".
The score for these email addresses will be 50 by default.


Will be marked as "pass" if the email address has a domain name used for temporary email addresses.
The score for these email addresses will be 50 by default.


Identifies the randomness of an email to determine if it is likely to be temporary or disposable.
If an email address is gibberish, meaning "not real", this property will be noted as "pass".


It refers to an email address that is not actively used for legitimate communication but is instead set up or repurposed by email service providers or anti-spam organizations to identify and catch spammers.

Parked Domain

A registered domain not actively associated with specific services like a website or email hosting.

Grey Listed

An email practice where incoming messages are initially delayed and then accepted, used to filter out spam.

MX Records

If marked as "pass" that means that email address is valid, ie. emails sent to that domain can be delivered.

Smtp Server

If marked as "pass" that means that we are able to connect to the SMTP server (indicated in MX records).

Smtp Block

Emails will not be delivered to those addresses


Checks if the email address is spelled correctly and has the correct symbols in the right order.
If marked as "pass", then the address is a properly formatted email address (e.g. it has an @ sign and a top level domain).

FQDNPS (Fully Qualified Domain Name in Public Suffix List)

A domain name that represents the full domain hierarchy and is listed in a public suffix list.

Local Part

The part of an email address before the "@" symbol, often representing the individual or entity.

FQDN (Fully Qualified Domain Name)

The complete domain address, including all labels and the top-level domain, providing a unique web or email identifier.

PSD (Public Suffix Domain)

The highest level of a domain that can be registered, often used to identify separate entities.

TLD (Top-Level Domain)

The highest level in the domain naming system, such as .com, .org, or .net.

FQDN Labels Not PSD

The labels in a Fully Qualified Domain Name that are not part of the Public Suffix Domain.

Registrable Domain

The part of a domain that can be registered, excluding subdomains.

Registrable Label

A label within a domain that is eligible for registration, excluding subdomain labels.


A subset of a domain, created by adding a prefix to the main domain.

Subdomains Labels

The individual labels within a subdomain.

Subdomain Label

The specific label that distinguishes a subdomain from the main domain.