# What does Suddenlink Communications use?

Suddenlink Communications (suddenlink.com) shows public evidence of 12 tools, according to runsonwhat (last checked 2026-11-07).

- Industry: Telecommunications
- Size: 5,001–10,000 employees
- Based in: St. Louis, United States
- Founded: 1992
- LinkedIn: https://www.linkedin.com/company/suddenlink-communications

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS verification records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records |  |
| [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records |  |
| [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records |  |
| [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records |  |
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records |  |
| [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records |  |
| [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | DNS verification records |  |
| [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records |  |

## FAQ

### What tools does Suddenlink Communications use?

As of November 2026, runsonwhat has found 12 tools at Suddenlink Communications (suddenlink.com) in public records. Edge & Hosting: Cloudflare. Go-to-market: HubSpot, Zendesk and Salesforce. Company Ops: Microsoft 365, GlobalSign and Proofpoint. Last checked November 7, 2026.

### What CRM does Suddenlink Communications use?

Suddenlink Communications uses HubSpot for its CRM, alongside Salesforce, according to runsonwhat (November 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot. HubSpot is used by 97,658 companies runsonwhat tracks.

### What email provider does Suddenlink Communications use?

Suddenlink Communications uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 734,288 companies runsonwhat tracks.

### What does Suddenlink Communications use for customer support?

Suddenlink Communications uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 43,661 companies runsonwhat tracks.

### What is Suddenlink Communications's website built with?

Suddenlink Communications uses HubSpot CMS for its website, according to runsonwhat (November 2026). runsonwhat found HubSpot CMS through a subdomain that points at HubSpot CMS. HubSpot CMS is used by 34,582 companies runsonwhat tracks.

### Does Suddenlink Communications use Cloudflare?

Yes. runsonwhat found Cloudflare at Suddenlink Communications through a DNS verification record for Cloudflare. Cloudflare is a CDN & Edge tool used by 733,761 companies runsonwhat tracks.

### How does runsonwhat know what Suddenlink Communications uses?

runsonwhat reads public records only. Of the 12 tools at Suddenlink Communications, 5 were found through DNS records, 5 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and suddenlink.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/suddenlink.com (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.