NsLookup.io

Free plan Web

What NsLookup.io is

NsLookup.io DNS Monitoring watches domains for changes to their DNS records and sends notifications when records are added, changed, or removed. It supports A, AAAA, MX, CNAME, NS, TXT, SOA, and CAA records, with configurable check intervals and change detection described as real-time. Baseline snapshots provide a comparison point, while timestamped history records changes. Alerts can go to email, Slack, or webhooks, and users can acknowledge expected updates. A web dashboard brings together monitored domains, their current records, recent changes, and alert status. The service is presented for organizations monitoring DNS for security and compliance. Its Free plan includes unlimited domains and configurable intervals, with all features included and no credit card or setup fees; no price is listed. NsLookup says it processes IP addresses to serve requested pages without storing them, though IP query counts may be kept for up to one hour to prevent abuse. Its privacy policy also describes safeguards for information it holds.

Who it suits

It suits organizations that monitor DNS records for security or compliance. It may also fit teams that want alerts through email, Slack, or webhooks and a record of changes.

What it does well

Supports eight DNS record types.
Configurable checks with real-time change detection described.
Alerts by email, Slack, or webhooks.
Snapshots and timestamped change history.
Free plan includes unlimited domains.

What to know first

Available on web only.
No listed price for the Free plan.

Limits

The Free plan is billed at $0/month and includes all features, unlimited domains, and configurable intervals. No credit card or setup fees are required.

Plans

Plan	Billed and limits	Price
Free	$0/month · All features included · Unlimited domains · Configurable intervals · No credit card required · No setup fees	On request

As nslookup.io lists them, read 11 Oct 2026. The maker's own page has the final word.

Getting started

Open the NsLookup.io DNS Monitoring website
Create a Free plan account
Add domains to monitor
Choose a checking interval
Configure email, Slack, or webhook alerts
Review records and acknowledge expected changes

Verdict

NsLookup.io combines DNS change alerts with snapshots, a history log, and a dashboard. Its free plan and multiple alert channels may suit organizations tracking record changes.

Questions

How much does NsLookup.io DNS Monitoring cost?

The Free plan is billed at $0/month.

Which DNS records can it monitor?

It supports A, AAAA, MX, CNAME, NS, TXT, SOA, and CAA records.

Where can alerts be delivered?

Notifications are available through email, Slack, or webhooks.

Does it keep DNS change history?

Yes. Baseline snapshots support comparisons, and timestamped history records changes.

Is NsLookup.io available outside a browser?

The listed platform is web.

Facts from NsLookup.io's own pages

Alerts and integrations: Change notifications are available through email, Slack, or webhooks. · nslookup.io, 11 Oct 2026
Change acknowledgment: Users can acknowledge expected changes to distinguish intentional updates from unauthorized modifications. · nslookup.io, 11 Oct 2026
Dashboard: The DNS dashboard shows monitored domains, current records, recent changes, and alert status. · nslookup.io, 11 Oct 2026
Intended users: The page presents DNS monitoring for organizations monitoring records for security and compliance. · nslookup.io, 11 Oct 2026
Maker: The contact page identifies Nslookup.io as a product of Nslookup LLC, registered at 8 The Green, #7668, Dover, DE 19901. · nslookup.io, 11 Oct 2026
Monitoring: Users can configure check intervals, and the page describes change detection as real-time. · nslookup.io, 11 Oct 2026
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. · nslookup.io, 11 Oct 2026
Purpose: DNS Monitoring tracks DNS record changes for domains and alerts users when records are modified, added, or removed. · nslookup.io, 11 Oct 2026
Record types: The service lists A, AAAA, MX, CNAME, NS, TXT, SOA, and CAA records as supported types. · nslookup.io, 11 Oct 2026
Security safeguards: The privacy policy says NsLookup maintains reasonable safeguards intended to protect the security, integrity, and privacy of information in its possession. · nslookup.io, 11 Oct 2026
Snapshots and history: Baseline snapshots support comparisons, and change history provides a timestamped audit trail. · nslookup.io, 11 Oct 2026
Support: The contact page invites users to report bugs, suggest features, or share feedback, and lists an email contact. · nslookup.io, 11 Oct 2026

Where NsLookup.io stands on Freedom251

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