Domain Availability Monitoring — How to Watch Taken Names in 2026
Domain availability monitoring answers one question: is this specific name still taken, and will you know the moment it is not?
That sounds simple. In practice, most people either refresh WHOIS manually, pay per-name backorder fees, or build brittle scripts. This guide is the hosted watchlist path — what it does, what it does not do, and how to set it up in ten minutes.
5–500
names on a Vacato watchlist
1 min
Pro check interval
$0
per-name fee (monitoring)
What domain availability monitoring actually means
Availability monitoring is not domain registration, not drop-catching, and not a registrar backorder. It is repeated RDAP or WHOIS lookups on a timer, plus an alert when status looks available. See RDAP vs WHOIS for drop monitoring for why hosted tools prefer RDAP in 2026.
You add names you do not own yet — dream .coms, portfolio targets, competitor lapses — and the system checks them every 5 minutes (Free) or every minute (Pro). When RDAP flips to available, email, Telegram, or Slack fires. You register at any registrar at standard price.
Vacato is built for this job. We do not place registry creates and we do not auction on your behalf. Honest scope: on a hot pending-delete .com, dedicated catchers may still win first. Monitoring tells you it opened; catching wins the race.
Monitoring vs backorder vs manual WHOIS
**Manual WHOIS** — free but does not scale. You forget, miss pending delete, or check once a day while the window is minutes.
**Backorders** — per-name bids at delete (GoDaddy, SnapNames, DropCatch). Right for must-win names; expensive for a list of fifty maybes. See backorder vs monitoring.
**Availability monitoring** — flat fee, whole list, alerts only. Best for coverage: founders watching 3–5 dream .coms, investors watching 50–200 long-tail targets.
Most portfolios need monitoring first and backorders on the top 3–5 names only. Compare: vs GoDaddy backorder, vs Dynadot backorder, vs Namecheap, vs DropCatch.
Pro tip
Run the [free RDAP checker](/tools/domain-check) once per target, then add keepers to a watchlist — one snapshot is not monitoring.
Who needs availability monitoring
**Founders** — the exact .com is taken but parked. Ship on a .io today; monitor the .com in the background. For startups.
**Domain investors** — a curated list beats refreshing ExpiredDomains rows. Import CSV on Pro, Telegram on drop day. Investor hub.
**Side projects** — three names you liked but did not buy. Set alerts and forget until one opens.
Not a fit if you only want one contested generic .com at delete — use a catcher or backorder for that name and keep Vacato on everything else.
Setup checklist (no scripts)
1. Snapshot targets on the RDAP checker — note registered, redemption, or pending delete.
2. Create a free account — 10 names, no card.
3. Connect Telegram (available on Free). Alerts you actually see beat perfect email filters.
4. Paste your list — CSV import on Pro. Tag by niche or drop priority.
5. Keep a registrar logged in. When the ping fires, register immediately. Vacato does not hold the name for you.
Timeline context: pending delete glossary. Software overview: domain monitoring software.
How often to check — and when to upgrade
Free checks every 5 minutes for up to 10 domains — enough for founders with a short dream list. Pro ($7/month) checks every minute for 100 names plus Slack, Discord, and webhooks.
Upgrade when your list outgrows ten slots or you are watching names in active pending delete. The channel matters too: Telegram on Free is fine; teams sharing one Slack channel need Pro.
Business ($19/month) covers 500 names for agencies and heavy portfolios. All plans alert only — you register yourself. Start with free domain drop alerts (10 names, no card), then read DropCatch vs $7 watchlist for cost math and domain drop alerts on Telegram for channel setup.
Frequently Asked Questions
Is domain availability monitoring the same as domain drop catching?
Can I monitor any TLD?
How is this different from ExpiredDomains.net?
Will monitoring guarantee I get the domain?
Watch the names you care about
Monitor up to 100 domains with 1-minute Pro checks and alerts after each check. Vacato does not catch or register.
Free forever • No credit card required
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Start a watchlist · Expired domain monitor · Drop catching · Compare vs catchers · Pending delete