Is fastmail.com a Disposable Email?
Whitelistedfastmail.com is a verified legitimate email provider. Emails from this domain are safe to accept.
Details
- Status
- whitelisted
- Added
- 2025-09-07
- Last Checked
- 2026-09-22
- Reason
- fastmail.com
Registration Data
- Registrar
- Gandi SAS
- Registered
- 1994-12-09 (31 years, 9 months)
- Expires
- 2034-12-08
Website Preview
Screenshot may be up to 14 days old.
API Playground
Check fastmail.com programmatically — pick your language, copy, run. No authentication required.
curl https://trashmail-blacklist.org/check/json/fastmail.comimport requests
r = requests.get("https://trashmail-blacklist.org/check/json/fastmail.com")
data = r.json()
print(data["status"]) # blacklisted / whitelisted / unknownconst r = await fetch("https://trashmail-blacklist.org/check/json/fastmail.com");
const data = await r.json();
console.log(data.status); // blacklisted / whitelisted / unknown<?php
$json = file_get_contents("https://trashmail-blacklist.org/check/json/fastmail.com");
$data = json_decode($json, true);
echo $data["status"]; // blacklisted / whitelisted / unknownpackage main
import (
"encoding/json"
"fmt"
"net/http"
)
func main() {
resp, err := http.Get("https://trashmail-blacklist.org/check/json/fastmail.com")
if err != nil {
panic(err)
}
defer resp.Body.Close()
var result struct {
Status string `json:"status"`
Domain string `json:"domain"`
}
json.NewDecoder(resp.Body).Decode(&result)
fmt.Println(result.Status)
}Click "Run" to fetch the JSON response for fastmail.com.
Also available as xml, yaml, or img — replace json in the URL.
DNS Records
MX Records
- in1-smtp.messagingengine.com
- in2-smtp.messagingengine.com
NS Records
- fmns1.messagingengine.com
- fmns2.messagingengine.com
SOA Record
- fmns1.messagingengine.com
- postmaster@messagingengine.com
A Records
- 103.168.172.65
TXT Records
- v=spf1 include:spf.messagingengine.com ~all
SPF Includes
- spf.messagingengine.com
Related Domains by Mail Server
50 other domains also
use in1-smtp.messagingengine.com
as their mail server.
Domain Network
Connections between domains, mail servers, nameservers, and shared infrastructure.
FAQ
Is fastmail.com a disposable email provider?
No, fastmail.com is whitelisted and considered a legitimate email provider.
Can I use fastmail.com for account registration?
fastmail.com is a legitimate email provider and safe to accept for account registrations.
How can I block disposable emails from fastmail.com?
Use the Trashmail-Blacklist API to check fastmail.com before accepting it in your application. Send a GET request to /check/json/fastmail.com to receive the domain status as JSON. Integrate this check into your signup or contact forms to automatically reject disposable email addresses.
What data is available for fastmail.com?
fastmail.com is whitelisted as a legitimate provider. We provide its status, DNS records, and related domains sharing the same mail server.
Block Disposable Emails Automatically
Integrate our free API into your signup flow to detect domains like fastmail.com before they reach your database.