duck.com
Detected Mail Infrastructure: Email Forwarding Service
Primary: smtp-inbound1.duck.com
Enforces domain sender policy
MailVeri Intelligence Assessment for duck.com
Verify an email address at duck.com
Test if a specific recipient mailbox exists and can receive messages without sending any actual email.
Need to clean email lists containing @duck.com?
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 duck.com
Q Is duck.com a disposable email domain?
No. duck.com is a standard forwarding email domain powered by Email Forwarding Service. It is not an ephemeral or disposable burner service.
Q What mail servers (MX records) handle email for duck.com?
Emails addressed to @duck.com are processed by 1 authoritative mail exchanger(s), including smtp-inbound1.duck.com (priority 5). The mail routing is handled by Email Forwarding Service.
Q Does duck.com have SPF and DMARC email security configured?
Yes. duck.com has published email authentication records. An SPF record is active (v=spf1 ip4:20.13.235.192/26 ip4:20.67.221.0/24 ip4:20.67.222.0/24 ip4:20.67.223.0/24 ip4:50.85.11.0/24 ip4:50.85.12.0/24 ip4:50.85.10.0/24 ip4:20.67.143.55 -all) and a DMARC policy is in place (v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]), protecting the domain against sender address spoofing.
Q Should signups using @duck.com be allowed or blocked?
Signups from @duck.com originate from a privacy email forwarding service. While authentic, delivery success depends on the forwarding destination. Accept with standard deliverability checks.
Q How do I verify if an email address on duck.com exists without sending?
You can verify recipient mailboxes on duck.com 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.