NsLookup.io

6.8easy start · #25of 37
in DNS Monitoring Software

Free to practise onyes
Well documentedyes
Runs where you workno

Runs on Web.

Visit site Alternatives

NsLookup.io is ranked #25 of 37 in DNS monitoring software on The Geeks Club. It runs on Web. There is a free plan.

NsLookup.io plans and pricing

All plans

Free $0/month All features included · Unlimited domains · Configurable intervals · No credit card required · No setup fees nslookup.io · 11 Oct 2026

Compared on DNS monitoring software

Free plan: Yes
Record-change alerts: Yes
Alert channels: email, Slack, webhooks

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The record

Purpose: DNS Monitoring tracks DNS record changes for domains and alerts users when records are modified, added, or removed.
Record types: The service lists A, AAAA, MX, CNAME, NS, TXT, SOA, and CAA records as supported types.
Monitoring: Users can configure check intervals, and the page describes change detection as real-time.
Snapshots and history: Baseline snapshots support comparisons, and change history provides a timestamped audit trail.
Alerts and integrations: Change notifications are available through email, Slack, or webhooks.
Change acknowledgment: Users can acknowledge expected changes to distinguish intentional updates from unauthorized modifications.
Dashboard: The DNS dashboard shows monitored domains, current records, recent changes, and alert status.
Intended users: The page presents DNS monitoring for organizations monitoring records for security and compliance.
Privacy: The privacy policy says NsLookup processes but does not store IP addresses to serve requested web pages, and may retain IP query counts for up to one hour to prevent abuse.
Security safeguards: The privacy policy says NsLookup maintains reasonable safeguards intended to protect the security, integrity, and privacy of information in its possession.
Support: The contact page invites users to report bugs, suggest features, or share feedback, and lists an email contact.
Maker: The contact page identifies Nslookup.io as a product of Nslookup LLC, registered at 8 The Green, #7668, Dover, DE 19901.
Price from: Free

Where it ranks on The Geeks Club

Best DNS Monitoring Software in 2026#25 of 37

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Sources

nslookup.io/dns-monitoring/· checked 11 Oct 2026
nslookup.io/privacy-policy/· checked 11 Oct 2026
nslookup.io/contact-us/· checked 11 Oct 2026