Function query_dns_record 

pub async fn query_dns_record(
    zone_name: &str,
    name: &str,
    record_type: RecordType,
    server: &str,
) -> Result<Vec<Record>>

Generic DNS record query function.

Queries a DNS server for records of a specific type and returns the results.

Arguments

• zone_name - The DNS zone name
• name - The record name (e.g., “www” for www.example.com, or “@” for apex)
• record_type - The DNS record type (A, AAAA, TXT, MX, etc.)
• server - The DNS server address (IP:port)

Returns

Returns Ok(vec) with matching records (empty if none exist), or an error if the query fails.

Errors

Returns an error if the DNS query fails or cannot be parsed.