DNS Lookup API

POST /api/v2/dns/query with Content-Type: application/json

Base URL, response format and rate limits are shared across endpoints — see the API documentation.

Parameter	Description
name	Domain to query. IP addresses and wildcards are not supported.
type	Record type: A (default), AAAA, CNAME, TXT, MX, NS.
server	Resolver: cloudflare (default), google, quad9, alidns, dnspod, volcengine.

Example:

curl -X POST "https://tcp.lc/api/v2/dns/query" \
  -H "Content-Type: application/json" \
  -d '{"name":"example.com","type":"A"}'

Response data fields: name, type, resolver server (key / label / ip), elapsed (milliseconds), rcode, and records. Each record has name, type, ttl and value, plus priority for MX records and segments for TXT records.

Common errors: api.param.name.invalid, api.param.name.ip_unsupported, api.notfound.domain, api.upstream.timeout.