# What does SecondMarket use?

SecondMarket (secondmarket.com) shows public evidence of 10 tools, according to runsonwhat (last checked 2026-10-17).

- Industry: Financial Services
- Size: 51–200 employees
- Based in: New York, United States
- Founded: 2004
- LinkedIn: https://www.linkedin.com/company/secondmarket-inc-

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Okta](https://www.runsonwhat.com/reverse/okta) | Auth & Identity | Custom domain |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain, Email records |  |
| [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records |  |
| [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records |  |
| [Red Sift OnDMARC](https://www.runsonwhat.com/reverse/redsift) | Security & Compliance | Email records |  |
| [ExternalDNS](https://www.runsonwhat.com/reverse/externaldns) | Dev Tools | DNS verification records |  |

## FAQ

### What tools does SecondMarket use?

As of October 2026, runsonwhat has found 10 tools at SecondMarket (secondmarket.com) in public records. Edge & Hosting: Amazon Route 53. Application: Okta. Go-to-market: Zendesk. Company Ops: Microsoft 365, SendGrid and GlobalSign. Last checked October 17, 2026.

### What email provider does SecondMarket use?

SecondMarket uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 709,013 companies runsonwhat tracks.

### What does SecondMarket use for customer support?

SecondMarket uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records. Zendesk is used by 41,595 companies runsonwhat tracks.

### What does SecondMarket use for login and identity?

SecondMarket uses Okta for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found Okta through a subdomain that points at Okta. Okta is used by 1,864 companies runsonwhat tracks.

### Does SecondMarket use SendGrid?

Yes. runsonwhat found SendGrid at SecondMarket through a subdomain that points at SendGrid and email records. SendGrid is a Email Delivery tool used by 192,896 companies runsonwhat tracks.

### Which companies have a tech stack similar to SecondMarket's?

The companies with the stacks most like SecondMarket's are Clover Health, vibe/vibe, Ceyloan and Apex Network, according to runsonwhat (October 2026). Each shares 3 to 4 tools with SecondMarket, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what SecondMarket uses?

runsonwhat reads public records only. Of the 10 tools at SecondMarket, 5 were found through DNS records, 3 through subdomains that point at the vendor and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and secondmarket.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/secondmarket.com (updated October 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.