Clean and Validate Your Current Database

Each and every email lead is verified and vetted to match your exact criteria. All contacts are opt-in, validated and CAN-SPAM compliant. This compilation process includes the operation and partnering with over 900+ unique publishers, URL databanks, public sources, state records, social media accounts services, online credit card based purchase records, business credit reports and over 400 additional real time sources to cull only the most updated information to be matched and cross-referenced.

Need More?

Below you can find a few of many steps in place to ensure your email messages gets delivered at is very highest percentage. We don't scrape data, we don't just update once in a while. This data is live and this data is guaranteed to deliver or we'll replace the defective data. 

Accurate, Fast and Secure Email Hygiene

There are hundreds of different ways to validate data. For over a decade, we have gathering the best of all options and combined them into one streamlined process.  National Data Group is committed to ensure your list brings value to your campaign. Value through delivery, value through accuracy and value through the confidence it delivers in your product, message and your companies reputation.  Stop taking chances with questions lists. Below is a just a peak behind the curtain. National Data Group delivers; Let Us Prove It! 

disposableDisposable addresses are created to be Valid only temporarily
soft_bouncesoft_bounce

unknownemail delivery fails but no information about why.
okall is ok, The server is saying that it’s ready to receive a letter to this address and no tricks are detected.
ok_for_all

email server is saying that it’s ready to accept a letter to any email
antispam_systemsome anti-spam technology is blocking the verification process.
dead_serveremail server is dead, no connection to it.
email_disabledemail account is suspended/disabled/limited and can not receive emails.
invalid vendor response

invalid vendor response

invalid_mxinvalid_mx
smtp_protocolSMTP server allows us to connect, but closing SMTP session before email was verified.
spamtrap

Created to lure spam

AgeAge
GenderGender
City/State/ZipCity/State/Zip
Physical AddressPhysical Address
StateState
CountyCounty
HomeownerHomeowner
StatusStatus
Head of HouseholdHead of Household
InterestsInterests
ReligionReligion
IncomeIncome
InvestorsInvestors
HobbiesHobbies
OccupationsOccupations
DonorsDonors
DOBDOB
LanguageLanguage
PhonePhone
Net WorthNet Worth
Home ValueHome Value
Health ConcernsHealth Concerns
Presence of ChildrenPresence of Children
EducationEducation
EthnicityEthnicity
PurchasingPurchasing
BehaviorBehavior
Vehicle OwnersVehicle Owners
Home ValueHome Value
Marital StatusMarital Status
AilmentsAilments
PetsPets