UpGuard alternative for agencies watching client domains
For agencies watching client domains, Zalwin's ClientSiteGuard, LookalikeDomainWatch cover external attack surface with a free preview without an account, paid plans from $4.99, and API and MCP access. Sources are public; UpGuard is a separate product we are not affiliated with.
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How does Zalwin compare to UpGuard for external attack surface?
| What you need | Zalwin | UpGuard |
|---|---|---|
| Who it is for | agencies watching client domains | Check UpGuard's site |
| Free preview | Yes, no account needed | Check UpGuard's site |
| Starting price | $4.99 (published on each product page) | Check UpGuard's site |
| Data sources | Read-only TLS, HTTP and public DNS checks of verified domains; Public Certificate Transparency logs (crt.sh) | Check UpGuard's site |
| Records available now | Scan-based tool | Check UpGuard's site |
| API and AI-agent (MCP) access | Yes: REST API and MCP tools | Check UpGuard's site |
| Update cadence | ClientSiteGuard: runs live per scan; LookalikeDomainWatch: runs live per scan | Check UpGuard's site |
Which Zalwin tools fit?
- ClientSiteGuard: Daily portfolio monitor for client domains: certificate expiry, home page errors, noindex accidents, DNS/MX/NS changes and SPF/DMARC breakage
- LookalikeDomainWatch: New lookalike domains of your brand from public certificate logs: other TLDs, brand-plus-word and internationalized names
Frequently asked questions
Is Zalwin affiliated with UpGuard?
No. UpGuard is a trademark of its owner. This page describes Zalwin's tools; for UpGuard's current features and pricing, see its own site.
What does it cost?
ClientSiteGuard from $4.99; LookalikeDomainWatch from $4.99. Every tool has a free preview.
Where does the data come from?
Read-only TLS, HTTP and public DNS checks of verified domains; Public Certificate Transparency logs (crt.sh). Public sources only; company-level records.
Related comparisons
UpGuard and other product names are trademarks of their respective owners. Zalwin is not affiliated with or endorsed by them. This page describes Zalwin's own tools; features and prices of other products change, so check their sites. Data reports · All comparisons