Domain Intelligence
Last Updated:

Daum.net

Safe to Send

Daum.net is operated by Kakao Corp. The domain runs 4 mail exchanges and SMTP is responsive, with 2 of 3 authentication standards in place.

Safe to Send
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Verify @daum.net emails

Live SMTP handshake against daum.net mail servers. No email is sent. 10 free per day, no signup.

@daum.net
No email sent No signup Real-time SMTP

Trusted by 400,000+ senders

4.9/5
From 8,500+ verified reviews
Disposable detection is the strongest I've tested. We were drowning in fake signups before integration. Fraudulent account creation dropped roughly 80% in the first 10 days. Risk score on the lookup pages helps our analysts triage faster too. Elena Reyes · Trust & Safety, Fintech
SOC 2 Type II GDPR CCPA 99.7% Accuracy
Disposable
No
Persistent addresses, not throwaway
SMTP Live
Yes
Mail server responds to SMTP handshake
MX Records
4
Mail exchangers

Mail Exchange (MX) Records for daum.net Mail Exchange records. They tell other mail servers which hosts are responsible for receiving email at this domain, in priority order. Lower priority numbers are tried first.

4 RECORDS
#10
mx1.hanmail.net 211.249.219.37
Reachable
#10
mx4.hanmail.net 211.183.208.52
Reachable
#10
mx3.hanmail.net 211.249.219.43
Reachable
#10
mx2.hanmail.net 211.183.211.51
Reachable
SMTP Handshake Simple Mail Transfer Protocol. We open a live SMTP connection to the primary MX and read the greeting banner. A response confirms the mail server is alive and accepting connections. Responsive
BANNER220 dmail-rmail-ayvm16 ESMTP welcome to HanMail.Net(tm) ready
Primary mail server accepted SMTP connection and returned a banner during the live audit.

daum.net Email Authentication SPF · DKIM · DMARC

2/3 PASS
SPF Sender Policy Framework. A DNS record listing which servers are allowed to send mail for this domain. Receivers reject or flag mail from unauthorized servers. Pass
TXTv=spf1 include:_spf.daum.net include:_external_smtp.daum.net ~all
Authorized senders are defined and pass SPF policy.
DKIM DomainKeys Identified Mail. The sending server cryptographically signs outbound mail with a private key, and receivers verify the signature using a public key in DNS. Missing
No DKIM signature detected on common selectors for daum.net.
No DKIM signature was detected. Receivers cannot verify the integrity of outbound mail.
DMARC Domain-based Message Authentication, Reporting & Conformance. Tells receivers what to do when SPF or DKIM checks fail: none, quarantine, or reject. None
TXTv=DMARC1; p=none; rua=mailto:dmarc_reports@kakaocorp.com
Monitoring only. Receivers take no action when SPF or DKIM fails.

daum.net Domain Registration WHOIS · Nameservers · Registrar

30 YEARS OLD
RegistrarMegazone Corp., dba HOSTING.KR
IANA ID1489
RegisteredMarch 5, 1996
Last UpdatedFebruary 13, 2026
ExpiresMarch 6, 2027
Age30 years
TLD.net
Authoritative Nameservers (2)
  • NS2.DAUM.NET
  • NS1.DAUM.NET
Registrant
Kakao Corp
Kakao Corp
domain@kakaocorp.com·Jeju-do, KOREA (REPUBLIC OF)·82218991326
Technical Contact
Kakao Corp
Kakao Corp
domain@kakaocorp.com·Jeju-do, KOREA (REPUBLIC OF)·82218991326
About this Domain

About daum.net

daum.net is a major South Korean email and web portal service operated by Kakao Corp, one of South Korea's largest technology companies headquartered in Jeju City. Daum was one of the first Korean internet portals and merged with Kakao in 2014. The daum.net email service remains widely used among Korean-speaking users for personal and business communication.

daum.net implements SPF, DKIM, and DMARC authentication for outbound email. Kakao Corp maintains robust security infrastructure across its services, including advanced spam filtering, phishing detection, and compliance with South Korean data protection regulations (PIPA - Personal Information Protection Act).

The daum.net mail servers enforce strict recipient verification, rejecting messages to nonexistent addresses at the SMTP level. The domain does not operate as a catch-all. Kakao's mail infrastructure applies reputation-based rate limiting and may be cautious with mail from international senders without established reputation.

For successful delivery to daum.net users, ensure your sending domain has valid SPF, DKIM, and DMARC records. Korean email providers can be strict with inbound filtering, so maintain a clean sender reputation and low complaint rates. Properly encode messages containing Korean characters (UTF-8) and follow standard bulk sending best practices.

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Common Questions About daum.net

Is daum.net a disposable or temporary email provider?
No. daum.net is not a disposable email provider. It is classified as Free Email Provider operated by Kakao Corp and addresses on daum.net are persistent rather than throwaway. Mail sent to a valid daum.net mailbox reaches a real recipient.
How do I verify if a daum.net email address is valid?
The fastest way to verify a daum.net email address is to use our free email checker. Enter any @daum.net mailbox at the top of this page and our system performs a real-time SMTP handshake against daum.net's mail servers, confirming whether the mailbox exists, is reachable, and is safe to send to. No email is ever delivered during the check.
Can I check if a daum.net email exists without sending a message?
Yes. Our real-time email verification API connects directly to daum.net's mail server, opens an SMTP session, and queries the mailbox using the RCPT TO command without ever transmitting an actual email. The server's response confirms whether the daum.net mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for daum.net?
daum.net currently publishes 4 mail exchange (MX) records. The primary MX is mx1.hanmail.net, which is the first server contacted when other mail systems try to deliver email to a daum.net address. The full list with priorities and IP addresses is in the MX Records panel above. MX records tell sending servers where to route email for daum.net.
Does daum.net use SPF, DKIM, and DMARC email authentication?
daum.net has 2 of the 3 standard email authentication records in place: SPF, and DMARC (policy: none). Adding the missing layer(s) would tighten anti-spoofing protection and improve deliverability for legitimate daum.net mail.
Why do emails to daum.net bounce or get blocked?
Bounces from daum.net usually fall into three buckets: the mailbox doesn't exist (5xx user unknown), the inbox is full, or your sending domain isn't authenticated to daum.net's satisfaction. The fastest fix is to run each address through a free email verifier before you send, and to make sure your own SPF, DKIM, and DMARC are configured correctly so daum.net's receivers trust you.
How can I verify a large list of daum.net email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of daum.net addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, daum.net catch-all detection, role-account detection, and disposable-domain matching. Results typically come back within minutes and previously-failed addresses on your blacklist are reprocessed for free. For continuous high-volume needs, see our unlimited email verification API.
Is it safe to accept signups from daum.net email addresses?
Yes, with normal hygiene. daum.net is a legitimate email service and signups from @daum.net behave like any other real user. Pipe each address through a real-time email verifier API at the moment of signup to catch typos and dead mailboxes, but there is no need to block daum.net by default.
What email format does daum.net use for usernames?
Most daum.net mailboxes follow common patterns like first.last@daum.net, firstinitiallast@daum.net, or first@daum.net, but the actual local-part rules depend on Kakao Corp. The only reliable way to confirm whether a specific @daum.net address exists is to run it through a free email verification tool. Guessing patterns will produce a high bounce rate and damage your sender reputation.
How is the daum.net risk score calculated?
The 0-to-100 risk score for daum.net combines disposable-domain classification, mail-server reachability, MX record presence and depth, SPF / DKIM / DMARC enforcement, DMARC policy strength, SMTP banner response, and domain age. Lower scores mean safer to send to. Disposable domains are pinned at the high end of the scale. The daum.net score is recomputed on every audit so it always reflects the live state of the domain.
Is daum.net a valid email domain?
Yes, daum.net is a valid free email domain operated by Kakao Corp. It provides permanent email accounts to users.
Is daum.net a disposable or temporary email provider?
No, daum.net is not a disposable or temporary email provider. It offers permanent email accounts with standard email features.
What mail server does daum.net use?
daum.net uses mail servers operated by Kakao Corp. Check the MX records section above for specific server details.
Can I send marketing emails to daum.net addresses?
Yes, with proper opt-in consent. Follow email best practices and ensure SPF, DKIM, and DMARC authentication is configured for your sending domain.
How do I verify an email address at daum.net?
Use BulkEmailChecker to verify daum.net addresses via SMTP checks. Verification behavior varies by provider. Our tool handles provider-specific rate limiting automatically.