1secmail.org
Detected Mail Infrastructure: Temporary Disposable Mail Network
Primary: mx.1secmail.com
Enforces domain sender policy
MailVeri Intelligence Assessment for 1secmail.org
Verify an email address at 1secmail.org
Test if a specific recipient mailbox exists and can receive messages without sending any actual email.
Need to clean email lists containing @1secmail.org?
DNS checks confirm mail server availability, but cannot detect full inboxes, deleted mailboxes, or stealth spam traps. MailVeri verifies recipient mailbox deliverability in real time with 99% accuracy and non-intrusive SMTP handshakes.
Mail Exchanger (MX) Records
Active inbound mail routes resolved from authoritative DNS:
SPF & DMARC Authentication
Sender Policy Framework (SPF):
Domain-based Message Authentication (DMARC):
Frequently Asked Questions about 1secmail.org
Q Is 1secmail.org a disposable email domain?
Yes. 1secmail.org is identified as an active temporary or burner email provider. Mailboxes exist for limited durations and are discarded automatically.
Q What mail servers (MX records) handle email for 1secmail.org?
Emails addressed to @1secmail.org are processed by 1 authoritative mail exchanger(s), including mx.1secmail.com (priority 10). The mail routing is handled by Temporary Disposable Mail Network.
Q Does 1secmail.org have SPF and DMARC email security configured?
Yes. 1secmail.org has published email authentication records. An SPF record is active (v=spf1 ip4:178.32.61.35/32 ip4:178.32.63.155/32 -all) and a DMARC policy is in place (v=DMARC1; p=reject; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; fo=1), protecting the domain against sender address spoofing.
Q Should signups using @1secmail.org be allowed or blocked?
Yes, signups using @1secmail.org should be blocked immediately. This domain is classified as an active temporary burner service. Allowing temporary accounts leads to high bounce rates, bot abuse, and spam trap contamination.
Q How do I verify if an email address on 1secmail.org exists without sending?
You can verify recipient mailboxes on 1secmail.org in real time using the MailVeri API. It checks domain deliverability, mailbox existence via low-latency SMTP handshakes (<500ms), and catch-all status without sending actual emails.