84.51° is a retail data science, insights, and media company that is a subsidiary of The Kroger Co. It leverages first-party retail data from over 62 million US households sourced through the Kroger Plus loyalty card program to deliver personalized shopper insights, loyalty marketing, and retail media advertising solutions. The company serves Kroger, consumer packaged goods companies, agencies, publishers, and affiliated partners, helping them create more personalized and valuable experiences for shoppers across the path to purchase. Its key platforms include 84.51° Stratum, 84.51° Collaborative Cloud, 84.51° In-Queries, and Kroger Precision Marketing, which make the media landscape more addressable, actionable, and accountable. Signal Plug searches live against 8451.com's mail server to find and verify email addresses for any 84.51° employee.
Signal Plug searches live against 8451.com's mail server — not a static database. Get a verified email for any 84.51° employee with confidence score in under 2 seconds.
94% accuracy · No credit card required · 10 free searches/month
84.51° is a retail data science, insights, and media company that is a subsidiary of The Kroger Co. It leverages first-party retail data from over 62 million US households sourced through the Kroger Plus loyalty card program to deliver personalized shopper insights, loyalty marketing, and retail media advertising solutions. The company serves Kroger, consumer packaged goods companies, agencies, publishers, and affiliated partners, helping them create more personalized and valuable experiences for shoppers across the path to purchase. Its key platforms include 84.51° Stratum, 84.51° Collaborative Cloud, 84.51° In-Queries, and Kroger Precision Marketing, which make the media landscape more addressable, actionable, and accountable.
The most commonly verified format at 84.51°:
Medium ConfidenceSignal Plug tests all common patterns against 84.51°'s live mail server and returns whichever passes the SMTP check.
Run a live search for 84.51° →Data-driven signals to help you prospect 84.51° effectively.
Primary Contact
VP of Shopper Insights
Tuesday–Thursday, 9am–11am
Signal Plug performs live SMTP verification against 8451.com's mail server — not a static scraped database — which means results reflect the real, current state of 84.51°'s email infrastructure. Here's how to run a lookup:
Create a free account
Sign up at Signal Plug in under 30 seconds. No credit card required. The Free plan includes 10 searches per month so you can test the tool with real 84.51° contacts before upgrading.
Enter the contact's name
Type the first and last name of the 84.51° employee you want to reach. Signal Plug handles all seniority levels, from C-suite to individual contributors.
Enter the domain
Use 8451.com. Signal Plug tests all common naming patterns automatically and returns only the format that passes the SMTP check.
Get a verified result
Signal Plug returns an email address with a confidence score (0–100) and deliverability status (Valid, Risky, or Catch-all) within 2 seconds. The confidence score tells you how reliable the result is before you use it.
Export and use
One-click CSV export lets you bring 84.51° contacts into Salesforce, HubSpot, Outreach, Lemlist, or any other tool in your stack. Growth and Scale plan users can run bulk lookups across an entire list of 84.51° names in a single batch.
84.51° competes directly with dunnhumby, IRI (Circana), NielsenIQ and others in the Data Analytics & Retail Media space.
| Company | Size | Tier | Focus | Email Format |
|---|---|---|---|---|
| 84.51° | 1,001–5,000 | Mid-Market | Retail Data Science, Insights and Media | firstname.lastname |
| dunnhumby | — | — | — | firstname.lastname |
| IRI (Circana) | — | — | — | firstname.lastname |
| NielsenIQ | — | — | — | firstname.lastname |
| Catalina Marketing | — | — | — | firstname.lastname |
| Instacart Ads | — | — | — | firstname.lastname |
Based on industry, headcount tier, and growth signals, these companies share a similar profile:
Whether you're running outbound sales, recruiting, or building a partnership list, these are the roles most frequently contacted at Data Analytics & Retail Media like 84.51°.
Based on 84.51°'s profile, the highest-value contacts for outbound are:
Signal Plug works for any role at any seniority level at 8451.com. If you have a name and the domain, you can find a verified email.
How well 84.51° fits a typical B2B outbound pipeline, based on available signals.
Strong Fit
Funnel Fit Score
Most email finder tools pull from static databases of scraped email addresses. These databases go stale as people change jobs and companies update their email infrastructure. Signal Plug takes a different approach: every search performs a live check against 8451.com's mail server using SMTP verification. This means results reflect the current state of 84.51°'s email system — not a cached result from months or years ago.
Signal Plug enriches every result with supporting data: a confidence score (0–100), deliverability status (Valid, Risky, or Catch-all), job title where available, and LinkedIn profile URL. This context helps you prioritize which 84.51° contacts to email first and personalize your outreach before you hit send. Given 84.51°'s mid-market footprint (1,001–5,000 employees), Growth plan users at $149/month get the search volume needed for a full account campaign. Plans start at $29/month for 500 searches — no annual contracts or seat fees.
Signal Plug performs a live SMTP check against 8451.com's mail server for every query — not a static database lookup. Our platform-wide accuracy rate is 94%. Each result comes with a confidence score (0–100) so you can gauge reliability before using the address.
Free plan: 10 searches. Starter ($29/mo): 500. Growth ($149/mo): 2,000. Scale ($299/mo): 5,000. No company-specific caps.
No. Signal Plug generates and verifies emails in real time via SMTP checks — no static database of 84.51° employee emails is maintained.
Yes. Growth and Scale plan users can upload a CSV of names and run bulk lookups against 8451.com in a single batch.
84.51° is a retail data science, insights, and media company that is a subsidiary of The Kroger Co., leveraging first-party data from over 62 million US households.
84.51° refers to the longitude of Cincinnati, Ohio, where the company is headquartered.
84.51° sources first-party retail data through the Kroger Plus loyalty card program, capturing in-store and online purchase behavior.
Kroger Precision Marketing is 84.51°'s retail media advertising solution that enables brands to engage shoppers through relevant advertising on Kroger-owned and partner properties.
Signal Plug searches in real time against 8451.com's mail server to find and verify email addresses for 84.51° employees. Enter a name, enter the domain, get a verified result with a confidence score in under 2 seconds.
Start finding emails free →10 free searches · No credit card required · Upgrade from $29/month