dns.ninja
DNS Ninja offers free DNS lookups, reverse DNS and domain intelligence for researching domains, IP addresses and DNS records.
First seen 2026-10-12 · Last seen 2026-10-12 · Source: webmcp.com
Answer 8 · Act 3 · Transact 0 · Score: Not yet scored
Tool inspector
reverse_lookup_ns
Find hostnames that use a specific nameserver. For example: which hostnames use chris.ns.cloudflare.com as their nameserver?
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
nameserver |
string | yes | The nameserver hostname to search for (e.g., chris.ns.cloudflare.com, ns1.example.com) |
limit |
integer | no | Maximum number of hostnames to return |
offset |
integer | no | Offset for pagination |
Raw JSON schema
{
"type": "object",
"properties": {
"nameserver": {
"type": "string",
"description": "The nameserver hostname to search for (e.g., chris.ns.cloudflare.com, ns1.example.com)"
},
"limit": {
"type": "integer",
"description": "Maximum number of hostnames to return",
"default": 100,
"minimum": 1,
"maximum": 1000
},
"offset": {
"type": "integer",
"description": "Offset for pagination",
"default": 0,
"minimum": 0
}
},
"required": [
"nameserver"
],
"additionalProperties": false
}
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