[AWS]外部APIを使用するlambdaのテストのために、プライベートDNSを使ってVPC内のlambdaを呼び出したい

403:forbidden

const https = require('https')

exports.handler = async (event) => {
    const api_url = 'https://www.jma.go.jp/bosai/common/const/area.json'
    const hostname = new URL(api_url).hostname;
    const path = new URL(api_url).pathname + new URL(api_url).search;
    const options = {
        hostname: hostname,
        port: 443,
        path: path,
        method: 'POST',
        rejectUnauthorized: false
      };
    const res = await req(options)
        .catch(err => err)
    console.log(res);
    return {
        api_url,
        res
    }
}

async function req (options) {
    return new Promise((resolve, reject) => {
        https.get(options, (resp) => {
            let data = ''
            resp.on('data', (chunk) => {
                data += chunk
            })
            resp.on('end', () => {
                resolve(data)
            })
        })
        .on('error', (err) => {
          reject(err)
        })
    })
}