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# Companies using AT&T DNS

AT&T DNS is a managed domain name system service offered by AT&T for resolving website and application domains. Here are the organizations where it was detected, where it is most common and how to reach the people who run it.

By Enrich.chat Editorial. Updated October 21, 2026.

**Short answer:** Organizations that use AT&T DNS include Murata, Merck, Boston Scientific, GEICO and MSD. AT&T DNS is in the cdn and security category; below are the industries where it is most common, how adoption changes with size and the tools found alongside it.

## What is AT&T DNS?

AT&T DNS is a managed domain name system service offered by AT&T for resolving website and application domains. It sits in the cdn and security category and is usually owned by IT and security leaders.

## Which companies use AT&T DNS?

Organizations where AT&T DNS was detected include Murata, Merck, Boston Scientific, GEICO and MSD. The table lists a selection of larger ones in alphabetical order; names link to company profiles.

| Company | Industry | Size |
| --- | --- | --- |
| [Ace Hardware](https://enrich.chat/company/ace-hardware/) | Retail | 10,000 to 25,000 |
| [ADM](https://enrich.chat/company/adm/) | Food production | 25,000 to 50,000 |
| [Amkor Technology](https://enrich.chat/company/amkor-technology/) | Semiconductors | 25,000 to 50,000 |
| [Boston Scientific](https://enrich.chat/company/boston-scientific/) | Medical devices | 25,000 to 50,000 |
| [Celestica](https://enrich.chat/company/celestica/) | Mechanical or industrial engineering | 25,000 to 50,000 |
| [City of Dallas](https://enrich.chat/company/city-of-dallas/) | Government administration | 10,000 to 25,000 |
| [Crown Holdings](https://enrich.chat/company/crown-holdings/) | Packaging and containers | 25,000 to 50,000 |
| [CSL](https://enrich.chat/company/csl/) | Research | 10,000 to 25,000 |
| [CSL Plasma](https://enrich.chat/company/csl-plasma/) | Pharmaceuticals | 10,000 to 25,000 |
| [Directv](https://enrich.chat/company/directv/) | Entertainment | 10,000 to 25,000 |
| [GEICO](https://enrich.chat/company/geico/) | Insurance | 25,000 to 50,000 |
| [Genesco](https://enrich.chat/company/genesco/) | Retail | 10,000 to 25,000 |
| [Littelfuse](https://enrich.chat/company/littelfuse/) | Electrical and electronic manufacturing | 10,000 to 25,000 |
| [Merck](https://enrich.chat/company/merck/) | Pharmaceuticals | 50,000 to 100,000 |
| [MSD](https://enrich.chat/company/msd/) | Pharmaceuticals | 25,000 to 50,000 |
| [Murata](https://enrich.chat/company/murata/) | Electrical and electronic manufacturing | 50,000 to 100,000 |
| [NCR](https://enrich.chat/company/ncr/) | Information technology and services | 25,000 to 50,000 |
| [New York Life](https://enrich.chat/company/new-york-life/) | Financial services | 25,000 to 50,000 |
| [O-I](https://enrich.chat/company/o-i/) | Glass, ceramics and concrete | 10,000 to 25,000 |
| [Papa Johns](https://enrich.chat/company/papa-johns/) | Restaurants | 25,000 to 50,000 |
| [Smart & Final](https://enrich.chat/company/smart-and-final/) | Retail | 25,000 to 50,000 |
| [Sonoco](https://enrich.chat/company/sonoco/) | Packaging and containers | 10,000 to 25,000 |
| [Textron](https://enrich.chat/company/textron/) | Aviation and aerospace | 25,000 to 50,000 |
| [Travel + Leisure](https://enrich.chat/company/travel-leisure/) | Hospitality | 10,000 to 25,000 |
| [United Rentals](https://enrich.chat/company/united-rentals/) | Construction | 25,000 to 50,000 |
| [US Foods](https://enrich.chat/company/us-foods/) | Food and beverages | 25,000 to 50,000 |
| [Wesco](https://enrich.chat/company/wesco/) | Wholesale | 10,000 to 25,000 |
| [Wyndham Destinations](https://enrich.chat/company/wyndham-destinations/) | Hospitality | 10,000 to 25,000 |
| [Yellow](https://enrich.chat/company/yellow/) | Transportation, trucking and railroad | 25,000 to 50,000 |
| [YRC Freight](https://enrich.chat/company/yrc-freight/) | Transportation, trucking and railroad | 25,000 to 50,000 |

## Do larger companies use AT&T DNS more?

For each size range, the column shows the share of listed organizations where AT&T DNS was detected.

**Figure: AT&T DNS by company size.** Six columns, one per size range from 2,000 to over 100,000 employees, showing the share of organizations where AT&T DNS was detected: 2-5K 1%, 5-10K 1%, 10-25K 1%, 25-50K 2%, 50-100K 0%, 100K+ 0%.

*Share of listed organizations in each size range where AT&T DNS was detected.*

## What tools go with AT&T DNS?

Among the organizations that use AT&T DNS, these tools stand out: each is detected more often alongside AT&T DNS than across all the organizations listed. The tick on each bar marks that wider average.

**Figure: Tools that stand out among AT&T DNS users.** Bars for the share of AT&T DNS users that also use each tool, with a tick for the share across all listed organizations: The Trade Desk 32% against 15%, Adobe Marketing Cloud 22% against 10%, Workday Recruiting 20% against 10%, Google Translate API 15% against 9%, Salesforce Live Agent 15% against 8%, Oracle Taleo 13% against 3%, Qualtrics 12% against 7%, PayPal 11% against 4%.

*Share of organizations using AT&T DNS where each tool was also detected. The tick marks the share across all listed organizations.*

[The Trade Desk](https://enrich.chat/companies-using/the-trade-desk/)[Adobe Marketing Cloud](https://enrich.chat/companies-using/adobe-marketing-cloud/)[Workday Recruiting](https://enrich.chat/companies-using/workday-recruit/)[Google Translate API](https://enrich.chat/companies-using/google-translate-api/)[Salesforce Live Agent](https://enrich.chat/companies-using/salesforce-live-agent/)[Oracle Taleo](https://enrich.chat/companies-using/taleo/)[Qualtrics](https://enrich.chat/companies-using/qualtrics/)[PayPal](https://enrich.chat/companies-using/paypal/)

## How do you reach the people who run AT&T DNS?

The tool tells you what a company already runs; the people to talk to are usually IT and security leaders. Pick an account from the table, then ask your AI agent for them.

```text
Use www.enrich.chat to find the IT and security leaders at [company], with titles and verified work emails
```

Check any other company with the free [tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/), or find a company's [email format](https://enrich.chat/tools/email-format-finder/).

## Frequently asked questions

### What companies use AT&T DNS?

Organizations where AT&T DNS was detected include Murata, Merck, Boston Scientific, GEICO and MSD. The page lists a selection of larger ones with links to their profiles.

### Which industries use AT&T DNS most?

AT&T DNS is used across a range of industries.

### How is AT&T DNS usage detected?

From public signals: code and tags on a company's website, the HTTP headers its servers send, and DNS records. A detected tool shows it was seen, not what the company pays for it.

### Who should I contact at a company that uses AT&T DNS?

Usually IT and security leaders. Ask your AI agent to use www.enrich.chat to find people in those roles at the account, with verified work emails.

## Try this prompt

Find the people who run AT&T DNS

```text
Use www.enrich.chat to find the IT and security leaders at [company], with titles and verified work emails
```

## Related

- [Companies using a technology](https://enrich.chat/companies-using/)
- [Companies using Cloudflare](https://enrich.chat/companies-using/cloudflare/)
- [Companies using Amazon Route 53](https://enrich.chat/companies-using/route-53/)
- [Companies using Cloudflare DNS](https://enrich.chat/companies-using/cloudflare-dns/)
- [Companies using Akamai](https://enrich.chat/companies-using/akamai/)
- [Companies using Varnish Cache](https://enrich.chat/companies-using/varnish/)
- [Companies using Mimecast](https://enrich.chat/companies-using/mimecast/)
- [Companies using Amazon CloudFront](https://enrich.chat/companies-using/amazon-cloudfront/)
- [Companies using Akamai DNS](https://enrich.chat/companies-using/akamai-dns/)
- [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)
