DomainDig
DNS lookup & SSL certificates
About
Inspect domains and servers with comprehensive diagnostics. Quickly check DNS records, SSL certificates, email security, HTTP headers, and network reachability. Includes IP geolocation and a history of your lookups.
What's New in DomainDig
1.7.2
April 10, 2026
Updated screenshots, support URL, and privacy policy URL
Developer apps
FAQ
What information can DomainDig provide about a domain?
DomainDig offers comprehensive diagnostics including DNS records (A, AAAA, MX, NS, TXT, CNAME), full SSL/TLS certificate chains, email security records (SPF, DMARC, DKIM), HTTP headers, redirect chains, and TCP port reachability. It also provides IP geolocation data.
Does DomainDig have ads?
No, DomainDig is ad-free. The app description explicitly states 'No ads', ensuring an uninterrupted user experience for all its features.
Is DomainDig free to use?
Yes, DomainDig is completely free to use. There are no costs associated with downloading or utilizing any of its domain inspection and diagnostic features.
What devices does DomainDig support?
DomainDig is available for iOS devices, specifically supporting iPhones and iPads. It is designed to run on these platforms.
How often is DomainDig updated?
The latest version of DomainDig is 1.7.2, and it was last updated on April 10, 2026. This indicates a recent update, suggesting active development and maintenance.
Can I save or export my domain lookups with DomainDig?
Yes, DomainDig allows you to save domains for quick re-runs and browse your full lookup history with cached results. You can also export all your findings as a plain text file.
What is the age rating for DomainDig?
DomainDig has an age rating of 4+. This indicates it is suitable for users of all ages and does not contain content that would restrict its use by younger audiences.
Does DomainDig require an account?
No, DomainDig does not require any accounts to use its services. It is designed for immediate use without the need for registration or login.