WHOIS Lookup Scraper
Spider read who.is in 133 ms without a browser and returned 55 lines of clean markdown, including sections like "Our Premium Services", "Domain History Report" and "Pro Website Monitoring".
Instantly look up registration data, contact details, nameservers, DNS records, and more for any domain name or IP address using WHOIS and RDAP protocols.## WHOIS Lookup Registrant, registrar, and registration dates for any domain.## RDAP Lookup Structured registration data via the modern WHOIS successor.## DNS Records A, AAAA, MX, TXT, NS and other records for any domain.## Nameserver Lookup See which domains a given nameserver hosts.## IP Address Lookup Ownership and network data for any IPv4 or IPv6 address.## Domain History How much historical WHOIS/RDAP we hold for a domain.## Uptime Check Check whether a website is reachable right now.## Registrars Browse domain registrars and the domains they manage.## Our Premium ServicesFor researchers, investigators, and site owners who need more.### Domain History ReportThe complete historical WHOIS/RDAP record for a single domain — every snapshot, the ownership-change timeline, and registrar history, delivered as a downloadable report.### Pro Website MonitoringWatch the domains that matter: uptime, DNS changes, and TLS-certificate expiry, all from one setup. We probe each domain live so you see exactly what we see, then notify you the moment a site goes down, its DNS shifts, or its certificate nears expiry. Up to 10 domains.### Pro API AccessParsed WHOIS, normalized RDAP, and DNS and TLS-certificate history for any domain as JSON over HTTPS. Start on the free tier, no card required.## What is WHOIS?WHOIS is a widely used internet protocol to query databases storing information about registered users of domain names, IP addresses, and autonomous systems. It helps you find owner contact details, registration dates, and nameserver information.## What is RDAP?The same call, in code.
The capture above came back as markdown. These examples add a key, so you get browser rendering, proxies, and concurrency on who.is.
import { SpiderBrowser } from "spider-browser";
const spider = new SpiderBrowser({
apiKey: process.env.SPIDER_API_KEY!,
});
await spider.connect();
const page = spider.page!;
await page.goto("https://www.who.is");
// No selectors, no schema. Spider reads the page and names the fields.
const data = await page.scrape();
console.log(data);
await spider.close();import { SpiderBrowser } from "spider-browser";
const spider = new SpiderBrowser({
apiKey: process.env.SPIDER_API_KEY!,
});
await spider.connect();
const page = spider.page!;
await page.goto("https://www.who.is");
const data = await page.extractFields({
ads: "div.ad-placement, div.ad-container, ins.adsbygoogle",
ip_address: "div.text-center a[href='/whois-ip/ip-address/3.140.197.145']",
search_button: "button[type='submit']",
search_input: "input#search",
});
console.log(data);
await spider.close();Ready for volume? Get an API key →
Fields you can pull.
Spider names these from the page. The capture above came back as markdown; the same
call with return_format: "json" returns them as keys.
What who.is costs to scrape.
The capture above cost $0.000064 to fetch. Pricing is $1 per GB of pre-transformation bandwidth plus $0.001 per CPU minute, so a page like this one lands at a fraction of a cent. Failed requests are billed at $0.
- Free balance on signup
- No card required to test
- Balance never expires
Run it keyless, no account
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Start scraping who.is.
You already have the call. A key raises the rate limit and turns on browser rendering, proxies, and concurrency. Balance never expires, and top-ups go through secure checkout.