Is sf.hamburg a Disposable Email?
Unknownsf.hamburg is not yet classified in our database.
Details
- Status
- unknown
- Added
- 2026-08-25
- Last Checked
- 2026-10-15
- Reason
- sf.hamburg
Registration Data
- Registrar
- 1408
- Registered
- 2022-07-12 (4 years, 3 months)
- Expires
- 2027-07-12
Website Preview
Screenshot may be up to 14 days old.
API Playground
Check sf.hamburg programmatically — pick your language, copy, run. No authentication required.
curl https://trashmail-blacklist.org/check/json/sf.hamburg
import requests
r = requests.get("https://trashmail-blacklist.org/check/json/sf.hamburg")
data = r.json()
print(data["status"]) # blacklisted / whitelisted / unknown
const r = await fetch("https://trashmail-blacklist.org/check/json/sf.hamburg");
const data = await r.json();
console.log(data.status); // blacklisted / whitelisted / unknown
<?php
$json = file_get_contents("https://trashmail-blacklist.org/check/json/sf.hamburg");
$data = json_decode($json, true);
echo $data["status"]; // blacklisted / whitelisted / unknown
package main
import (
"encoding/json"
"fmt"
"net/http"
)
func main() {
resp, err := http.Get("https://trashmail-blacklist.org/check/json/sf.hamburg")
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 sf.hamburg.
Also available as xml, yaml, or img — replace json in the URL.
DNS Records
MX Records
- sf-hamburg.gate.seppmail.cloud
NS Records
- dokudns.dokumenta.net
- dokudns01.dokumenta.net
- ns01.dokumenta.net
- ns02.dokumenta.net
SOA Record
- ns01.dokumenta.net
- dnsmaster@dokumenta.net
A Records
- 185.166.20.240
TXT Records
- hyh1wd2x7wt98727b17m3g4sr8dnyj9f
- knowbe4-site-verification=f2e4351e098b3f08af74ee24fc2a5222
- sophos-domain-verification=8065923d43e65280dd8faced8db64b792f003284
- sophos-domain-verification=eb14175c5e2a7226c16833f87065dddf94bf75a914487c5c47e23d952e6e6458
- v=spf1 include:_spf.de.seppmail.cloud include:agenturserver.de include:spf.talention.com ~all
SPF Includes
- _spf.de.seppmail.cloud
- agenturserver.de
- spf.talention.com
Domain Network
Connections between domains, mail servers, nameservers, and shared infrastructure.
FAQ
Is sf.hamburg a disposable email provider?
sf.hamburg has not yet been classified. It is currently unknown whether it is a disposable email provider.
Can I use sf.hamburg for account registration?
We have not yet verified sf.hamburg. Proceed with caution or use our API to check programmatically.
How can I block disposable emails from sf.hamburg?
Use the Trashmail-Blacklist API to check sf.hamburg before accepting it in your application. Send a GET request to /check/json/sf.hamburg 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 sf.hamburg?
sf.hamburg is not yet in our database. You can check it via our API or submit it for review through our contact form.
Block Disposable Emails Automatically
Integrate our free API into your signup flow to detect domains like sf.hamburg before they reach your database.