upsonar.io

Free Domain Expiration Monitoring

upsonar.io tracks your domain expiration dates and alerts you before they expire. Don't lose your domain to a missed renewal — auto-renewal fails more often than you think.

Alerts at 30, 14, 7 days · All TLDs supported · Free plan available

Why Domain Monitoring Matters

Domain Squatting

Expired domains with traffic are hunted by automated tools. Over 1 million domains are dropped every month. Once lost, buying it back costs thousands — if it's even possible.

Auto-Renewal Failures

Expired credit cards, registrar billing issues, email notifications in spam. Auto-renewal fails silently more often than expected.

Total Service Loss

When a domain expires, everything stops: website, email, APIs, SEO rankings. Recovery after deletion can take months.

What We Monitor

Expiration Date Tracking — Automated domain expiration lookup with alerts at 30, 14, and 7 days before expiry.
Grace Period Tracking — Know when your domain enters grace and redemption periods after expiry.
Registrar Lock Status — Verify transfer protection and other lock flags are in place.
Automatic Protocol Detection — Checks modern and legacy domain lookup protocols — picks whichever works for your TLD.
Nameserver Changes — Detect unauthorized nameserver modifications that could redirect your traffic.
Domain Status Flags — Monitor status codes: serverHold, clientDeleteProhibited, and more.

Domain Expiration Lookup

Free domain expiry check — expiration date, registrar, status flags, nameservers. No signup required.

Frequently Asked Questions

Never Lose a Domain Again

Free plan includes domain expiry monitoring for 3 websites with email and Telegram alerts. No credit card required.

Set up in 30 seconds · Free forever

Last updated: February 2026