Email domain

Is tempblockchain.com a disposable email?

Yes. tempblockchain.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

tempblockchain.com

  • Disposableyes
  • Free providerno
  • Receives mailyes
  • Mail servers1 found
  • SPFnone
  • DMARCnone
Risk score90
  • disposable_domaintempblockchain.com hands out throwaway inboxes.

DNS facts

Domain
tempblockchain.com
MX records
smtp.oneb.net
SPF
Not published
DMARC
Not published
Checked
2026-10-21

Check another address →

Throwaway domains on the same mail servers

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

Block it in code

Stop tempblockchain.com signups.

Check each new address and refuse when disposable is true. One call covers tempblockchain.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@tempblockchain.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@tempblockchain.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@tempblockchain.com"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);
Questions

About tempblockchain.com

Is tempblockchain.com a disposable email domain?

Yes. tempblockchain.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 tempblockchain.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 tempblockchain.com's sister domains and new ones.

Where does tempblockchain.com email go?

Its mail is handled by smtp.oneb.net. 30 other throwaway domains use the same mail servers.

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