.PHD domain list & statistics

1. Zone summary: .phd

The .PHD zone contains 2,540 domain names, according to the complete zone-file snapshot dated 02 Oct 2026. In the latest available comparison, from 01 Oct 2026 to 02 Oct 2026, 3 domain names were added to the zone and 1 were removed. The net zone change was +2 domains (net gain).

Complete zone-file coverage. Counts describe domains present in the zone file; registered domains absent from the zone file are excluded. Additions and removals are not independently verified registration or expiration events.

3. Zone Details: .phd

The .phd domain is intended for individuals and organizations connected to doctoral study and research. Typical use cases include personal academic portfolios, dissertation and thesis landing pages, laboratory or research group sites, consultant profiles that highlight doctoral qualifications, and alumni or mentorship networks tied to PhD communities.

As a branding choice, .phd communicates a clear association with advanced scholarship and expertise. Institutions, departments, and researchers choose it to create concise, memorable addresses (for example: name.phd or labname.phd) that emphasize academic credentials and subject-matter authority. It complements institutional domains like .edu or .org when a specialist identity or personal brand is desired.

Practical considerations include confirming institutional policies about representing degrees or affiliations and avoiding any misleading presentation of credentials. .phd domains can be used alongside professional identifiers (ORCID, institutional profiles) and academic email to boost discoverability, but registrants should manage content and verification carefully to maintain trust and clarity for peers, employers, and the public.

Related zones:

5. Download latest .phd domain list via API

import axios from 'axios';
import fs from 'fs';
import { pipeline } from 'stream/promises';

const response = await axios({
  method: 'GET',
  url: 'https://allzonefiles.io/api/v1/zones/phd/dl',
  responseType: 'stream',
  headers: {
    // Replace with your API key
    'Authorization': 'Bearer allzfio_5c1572d016b846ce99ce7a177922ff21'
  }
});

await pipeline(response.data, fs.createWriteStream('phd.txt.gz'));

console.log('Download complete!');

package main

import (
    "io"
    "net/http"
    "os"
)

func main() {
    url := "https://allzonefiles.io/api/v1/zones/phd/dl"
    file, _ := os.Create("phd.txt.gz")
    defer out.Close()

    req, _ := http.NewRequest("GET", url, nil)
    // Replace with your API key
    req.Header.Set("Authorization", "Bearer allzfio_5c1572d016b846ce99ce7a177922ff21")

    resp, _ := http.DefaultClient.Do(req)
    defer resp.Body.Close()

    io.Copy(out, resp.Body)
}

import requests

url = "https://allzonefiles.io/api/v1/zones/phd/dl"
# Replace with your API key
headers = {"Authorization": "Bearer allzfio_5c1572d016b846ce99ce7a177922ff21"}

with requests.get(url, headers=headers, stream=True) as r:
    r.raise_for_status()
    with open("phd.txt.gz", "wb") as f:
        for chunk in r.iter_content(chunk_size=128*1024):
            f.write(chunk)

import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class FileDownloader {
    public static void main(String[] args) throws Exception {
        URL url = new URL("https://allzonefiles.io/api/v1/zones/phd/dl");
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();

        connection.setRequestMethod("GET");
        // Replace with your API key
        connection.setRequestProperty("Authorization", "Bearer allzfio_5c1572d016b846ce99ce7a177922ff21");

        try (InputStream in = connection.getInputStream();
             FileOutputStream out = new FileOutputStream("phd.txt.gz")) {

            byte[] buffer = new byte[8192];
            int bytesRead;
            while ((bytesRead = in.read(buffer)) != -1) {
                out.write(buffer, 0, bytesRead);
            }
        }

        System.out.println("Download complete!");
    }
}

Use .PHD domain data in your workflow

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