# HTTP Header Checker (enterno.io)

Runs web diagnostics that inspect HTTP headers, DNS records, SSL certificates, email settings and page health for a given site.

- Atlas card: https://inite.ai/en/atlas/enterno.io
- Site: https://enterno.io
- For: developers and site owners diagnosing HTTP, DNS, SSL and email configuration
- Use 0/100 · alive 100/100

## Used for

- inspect HTTP response headers for a website
- check DNS and SSL configuration of a domain
- test email SPF, DKIM and DMARC records

## Price

- subscription, no free plan (read 2026-10-31 on https://enterno.io/pricing)

## For developers

- API docs: https://enterno.io/api-docs
- MCP server: io.enterno/site-diagnostics (namespace; auth on 2026-10-20)
- Read 2026-10-20

## MCP server, measured daily

Server: https://enterno.io/mcp, checked every day since 2026-10-20 (14 checks).

- Answered: 100% of daily checks
- Median first answer: 795 ms
- Sign-in: unknown
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: gdpr
- Read 2026-10-20

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Source: INITE Atlas, https://inite.ai/en/atlas/enterno.io. JSON: https://inite.ai/api/atlas/enterno.io. MCP: https://inite.ai/api/mcp (atlas_lookup).