📘 Domain Tools: DNS Changes (Nameservers)

Overview

This guide helps you monitor DNS, nameserver, and IP history changes of any domain using two primary tools:

• DomainTools – DailyChanges
• ViewDNS – IP History Tool

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🔄 1. DomainTools – DailyChanges

🔗 URL:

👉 http://dailychanges.domaintools.com/

✅ Features:

• Tracks nameserver movements, registrar changes, and domain status updates.
• Updated daily – allows monitoring DNS activity globally.
• Ideal for identifying bulk hosting movements or investigating competitor domain changes.

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🔍 Example Use

Suppose you want to see domains leaving or joining Cloudflare.

1. Visit: http://dailychanges.domaintools.com/
2. Use the search bar or scroll through:
   • Select “Nameserver” tab.
   • Choose a nameserver like ns1.cloudflare.com.
3. View domains that have been:
   • Added to Cloudflare
   • Removed from Cloudflare
   • See the dates these changes occurred.

🖼 Screenshot Description:

• Left column: shows date of change.
• Middle: domain name.
• Right: old and new nameservers (before and after switch).

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🌐 2. ViewDNS – IP History Tool

🔗 URL:

👉 https://viewdns.info/iphistory

✅ Features:

• Reveals historical IP addresses associated with a domain.
• Lists “First Seen” and “Last Seen” timestamps.
• Shows hosting company information and location.
• Useful to determine server migrations or shared hosting patterns.

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🔍 Example Use

To find historical IPs for example.com:

1. Go to: https://viewdns.info/iphistory
2. Type: example.com in the field.
3. Click “Go”.

Results will show:

IP Address	First Seen	Last Seen	Owner/Host
93.184.216.34	2017-10-05	2024-07-01	Edgecast/Verizon CDN

🖼 Screenshot Description:

• A table listing several IP addresses.
• Each row shows when that IP was active.
• Additional columns include hosting company, ASN, and location.

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🧠 Use Case Examples

Scenario	Tool	Use
Client says DNS changed	DomainTools	Check daily DNS/nameserver records
Tracking domain ownership change	ViewDNS	IP and host change could indicate owner/server change
Monitor competitor activity	DomainTools	Spot multiple domains moving to same provider
Investigate a spammer	ViewDNS	Trace their hosting/IP changes over time

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📎 Pro Tips

• Pair tools with whois lookups for full visibility.
• Combine with https://securitytrails.com/ for even richer DNS timeline analysis.
• Use browser bookmarks for frequently checked hosts (like ns1.digitalocean.com).

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