Email domain

Is posdz.com a disposable email?

Yes. posdz.com appears in our disposable-email domain list. This is a domain-level signal, not proof that a particular person or mailbox is fraudulent.

Domain check Listed

posdz.com

  • Disposableyes
  • Free providerno
  • Receives mailyes
  • Mail servers2 found
  • SPFpublished
  • DMARCnone
Risk score90
  • disposable_domainposdz.com hands out throwaway inboxes.

DNS facts

Domain
posdz.com
MX records
em4.rejecthost.com, srv4.rejecthost.com
SPF
v=spf1 +a +mx -all
DMARC
Not published
Checked
2026-10-21

Check another address →

Throwaway domains on the same mail servers

These listed domains share mail infrastructure with posdz.com. Shared hosting does not establish common ownership.

Block it in code

Stop posdz.com signups.

Check each new address and refuse when disposable is true. One call covers posdz.com, its sister domains and new throwaway brands.

curl https://veqen-app.com/v1/email/check \
  -H "Authorization: Bearer $VEQEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"email": "someone@posdz.com"}'
import os, requests

r = requests.post(
    "https://veqen-app.com/v1/email/check",
    headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
    json={"email": "someone@posdz.com"},
    timeout=10,
)
result = r.json()
print(result["risk"]["verdict"], result["risk"]["reasons"])
const res = await fetch("https://veqen-app.com/v1/email/check", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VEQEN_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"email": "someone@posdz.com"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);
Questions

About posdz.com

Is posdz.com a disposable email domain?

Yes. posdz.com appears in our disposable-email domain list. This is a domain-level signal, not proof that a particular person or mailbox is fraudulent.

How do I block posdz.com at signup?

Check the domain of each new address. With the Veqen API, call /v1/email/check and refuse when disposable is true; that also covers posdz.com's sister domains and new ones.

Where does posdz.com email go?

Its mail is handled by em4.rejecthost.com, srv4.rejecthost.com. 30 other throwaway domains use the same mail servers.

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