DNS History Checker Responsive DNS, NS and historical lookup tool
HTML5 • Mobile first • SEO ready

Audit DNS health and nameserver history in one clean interface.

Inspect current NS delegation, capture DNS health status, surface the latest IP address, and review your recorded historical changes with a faster, more professional layout.

Run a lookup View history
Nameserver lookupLive DNS NS inspection for any domain.
History trackingCompare recorded NS snapshots over time.
Responsive UIReadable cards and tables on mobile and desktop.

Domain lookup

Enter a domain name to inspect its current nameservers, current IPv4 address, and previously recorded NS snapshots.

Use a root domain such as example.com, domain.it, or subdomain.example.org.

Current status

The status cards below adapt automatically based on the domain lookup response and make the current outcome easier to scan.

DNS Health: OK

Health result

The domain resolves with active nameserver records and is ready for review below.

Primary target

IP address

Resolved IPv4: 51.77.102.152

Recorded snapshots

History count

4 historical row(s) available for this domain.

Current nameservers

These are the live nameservers detected for the current domain query.

NS1 Current delegation target
ns6.dewlance.com
NS2 Current delegation target
ns5.dewlance.com

Recorded history

Historical data is shown from the local database table so you can review previous nameserver states in reverse chronological order.

Domain NS1 NS2 NS3 NS4 IP Address Recorded
ontiscal.com ns6.dewlance.com ns5.dewlance.com 51.77.102.152 2026-06-09 21:11:09
ontiscal.com dawn.ns.cloudflare.com duke.ns.cloudflare.com 172.67.197.245 2024-08-17 16:54:55
ontiscal.com ns2.dns-parking.com ns1.dns-parking.com 82.197.80.165 2024-08-15 08:32:46
ontiscal.com ns5.dewlance.com ns6.dewlance.com 51.89.149.141 2024-08-09 08:15:46
Operator notes

What this page checks

This interface looks up live NS records, extracts the first IPv4 address when available, inserts new snapshots into your nsquest table, and renders a history table for auditing.

Selling intent

Domain availability CTA

You can easily add an outbound registrar or marketplace CTA here if you also want to monetize type-in traffic around domain research.

FAQ

These short answers help explain the tool and also strengthen on-page search relevance for DNS-related queries.

What does DNS health mean here?

In this interface, DNS health means the queried domain returned at least one active NS record that can be displayed and stored.

Why can history be empty?

The history table depends on your database content, so a domain with no prior snapshots will show no recorded rows until the first insert is made.

Is the layout mobile friendly?

Yes. The page uses responsive cards, stacked sections, and an overflow-safe table wrapper so it remains usable on smaller screens.