Domain Health: DNS Checker

Audit any domain's DNS and email setup with one tap, then hand your client a white-label PDF report. Domain Health is built for IT admins, MSPs and consultants who need clear answers and client-ready documentation.

Enter a domain and tap Check Domain Health. The app runs 26 checks across the parent zone, nameservers, SOA record, MX and email authentication, and the www host, and gives every check a clear status.

Client-ready PDF reports:
- Full Report: cover page, table of contents, summary and every check with its status, impact and how to fix it
- Executive Summary: a one-page overview with overall status, key findings, priority areas and recommendations
- White label: your company name, logo, accent and background colours, header line thickness and report title
- Save, print or send the PDF from the share sheet

Email checks:
- SPF: finds missing or duplicate records, explains every mechanism and flags a permissive or missing "all"
- DMARC: validates the policy and subdomain policy, reporting addresses, alignment and percentage
- MX: consistency across your nameservers, hostname validity, public IPs, CNAME use, record count and null MX (RFC 7505)
- PTR (reverse DNS) records of your mail servers

DNS checks:
- Parent domain: delegation at the TLD compared with your own nameservers, listed nameservers and glue records
- Nameservers: open recursion, glue consistency, authoritative answers, number of nameservers, subnet diversity and TCP connectivity
- SOA: serial number format and consistency across nameservers, MNAME, refresh, retry, expire and minimum TTL

Web checks:
- Public IP and CNAME of the www host
- SSL certificate validity and days until expiry, with a warning when it expires within 30 days
- HSTS status

Accurate by design:
- Checks that depend on one specific server query the parent zone and each of your nameservers directly
- All other lookups use DNS over HTTPS through Google, Cloudflare, DNS.SB or NextDNS, selectable in Settings
- Every check shows what was queried, the result, its impact, how to fix it and best practices, with links to further reading

History and privacy:
- Every check is saved in History, grouped by domain. Swipe to re-check or delete
- No account, no analytics, no third-party SDKs or trackers
- History, settings and reports stay on your device. Domains are only sent to the services needed to run the checks

One purchase, no subscription. For iPhone and iPad, with Light, Dark and System appearance.

Terms of Service: https://apps.borovina.com/domain-health/terms-and-conditions/terms-and-conditions.html
Privacy Policy: https://apps.borovina.com/domain-health/privacy-policy/privacy-policy.html