dns

local dns = require"dns"
local inspect = require"inspect"
local dns_settings = {}
local records = dns.a("google.com", dns_settings)
print(inspect(records))

-- вывод:
-- { "172.217.19.110" }

local dns = require("dns")
local ns_servers = dns.ns("example.com")
for _, server in ipairs(ns_servers) do
    print(server)
end

-- вывод: 
-- ns1.example.com
-- ns2.example.com

local dns = require("dns")
local records = dns.axfr("example.com")
for _, record in ipairs(records) do
    print(record.name, record.type, record.data)
end

-- вывод: 
-- example.com. SOA ns1.example.com. admin.example.com.

local dns = require("dns")
print(dns.top("sub.example.com"))

-- вывод: 
-- example.com