# Lookup

Look up a single domain, host, IP address or website, either in real time or from Deepinfo's history.

Source: https://docs.deepinfo.com/reference/lookup/

Last updated: 2026-09-27

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Look up a **single** domain, host, IP address or website, either in real time or from Deepinfo's history.

| Request | Returns |
|---|---|
| **Domain WHOIS** | Current registration record of a domain |
| **DNS** | Current DNS records (up to 5 types per call) |
| **IP WHOIS** | Current registration details of an IP address |
| **SSL** | The certificate served by a host |
| **Port Scan** | Open ports and services of a host |
| **Technology** | Technologies a website runs on |
| **Screenshot** | A screenshot of a web page, with options in the query string |
| **Screenshot (POST)** | The same, with options in a JSON body |
| **Web Data** | Content, metadata, links, trackers, headers and cookies of a web page, optionally with a screenshot |
| **DNS History** | Every DNS value observed for a domain over time |
| **WHOIS History** | Every WHOIS record observed for a domain over time |

Each request uses one quota unit on your plan.

| Method | Endpoint | Path |
|---|---|---|
| GET | [Domain WHOIS](/reference/lookup/domain-whois/) | `/lookup/whois` |
| GET | [DNS](/reference/lookup/dns/) | `/lookup/dns` |
| GET | [IP WHOIS](/reference/lookup/ip-whois/) | `/lookup/ip-whois` |
| GET | [SSL](/reference/lookup/ssl/) | `/lookup/ssl` |
| POST | [Port Scan](/reference/lookup/port-scan/) | `/lookup/port-scan` |
| GET | [Technology](/reference/lookup/technology/) | `/lookup/technology` |
| GET | [Screenshot](/reference/lookup/screenshot/) | `/lookup/screenshot` |
| POST | [Screenshot (POST)](/reference/lookup/screenshot-post/) | `/lookup/screenshot` |
| GET | [Web Data](/reference/lookup/web-data/) | `/lookup/webdata` |
| GET | [DNS History](/reference/lookup/dns-history/) | `/analyze/dns-history` |
| GET | [WHOIS History](/reference/lookup/whois-history/) | `/analyze/whois-history` |