odn.ne.jp - Email Domain Verification & Deliverability Report

Active ISP Email Provider
Organization: ODN (Japan Telecom)
Mail Server: trendmicro.com
Verified 2 days ago

Real-time verification data for odn.ne.jp. View MX records, SPF/DKIM/DMARC authentication, and server deliverability status.

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MX Records for odn.ne.jp

PriorityMail ServerIP Address
1 sbkk.in.tmems-jp.trendmicro.com 18.176.203.131
SMTP Status: Responding
SMTP Banner:
220 inpre01.tmems-jp.trendmicro.com ESMTP Trend Micro Email Security

odn.ne.jp uses trendmicro.com mail servers, which means emails are processed through trendmicro.com infrastructure with their built-in spam filtering and security controls.

Email Authentication for odn.ne.jp

SPF Record Pass

v=spf1 ip4:143.90.134.76/30 ~all

SPF (Sender Policy Framework) specifies which mail servers are authorized to send email on behalf of odn.ne.jp.

DMARC Record Quarantine

v=DMARC1; p=quarantine; rua=mailto:odn00001-ra@dmarc25.jp

DMARC (Domain-based Message Authentication) tells receiving servers what to do with emails that fail authentication checks.

DKIM Not Detected

DKIM detection is limited from external scanning. The domain may use DKIM with selectors not covered by our scan.

Authentication Summary: odn.ne.jp has SPF and DMARC configured. This provides good protection against email spoofing. Senders can expect reliable email delivery to this domain.

WHOIS & Domain Information

Registration Details

Domain
odn.ne.jp
TLD
.ne.jp
Created
1996-11-29
Updated
2025-11-30
Expires
2026-11-30
Domain Age
29 years

Registrar

Registrant Contact

Organization
Open Data Network

Name Servers

  • ns2.odn.ne.jp
  • ns4.odn.ne.jp

About odn.ne.jp

odn.ne.jp is the email domain for ODN (Open Data Network), a Japanese internet service originally operated by Japan Telecom and later by SoftBank. ODN provided broadband internet and email services to Japanese customers. Legacy odn.ne.jp email accounts continue to be maintained within SoftBank infrastructure.

odn.ne.jp supports SPF and DKIM authentication through SoftBank infrastructure. DMARC policies follow standard Japanese ISP configurations. Full authentication alignment is important for delivery.

The odn.ne.jp mail servers validate recipients during SMTP sessions and apply comprehensive filtering typical of Japanese ISP systems, including greylisting for unfamiliar senders.

For delivery to odn.ne.jp, authenticate with SPF and DKIM, warm up IPs gradually, and comply with Japanese anti-spam regulations. SoftBank delivery practices apply to legacy ODN domains.

How to Verify odn.ne.jp Email Addresses

Need to check if an email address at odn.ne.jp actually exists before you send to it? BulkEmailChecker performs deep SMTP-level validation, connecting directly to odn.ne.jp's mail servers to confirm the mailbox is real, active, and able to receive your message. No test email is ever sent, so your sender reputation stays protected.

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Have a mailing list full of odn.ne.jp addresses? Upload your CSV or TXT file to BulkEmailChecker and verify thousands of email addresses in minutes. Our bulk verification engine runs 30+ checks per address including syntax validation, DNS resolution, SMTP handshake, and spam trap detection. Clean your list before every campaign to keep bounce rates below 2% and protect your sender score. See bulk pricing.

Verify odn.ne.jp Emails via API in Real-Time
Building a signup form, CRM integration, or lead capture system? BulkEmailChecker's real-time verification API validates odn.ne.jp email addresses at the point of entry, blocking invalid, disposable, and risky addresses before they enter your database. Integrate with a single API call and prevent bad data at the source.

Frequently Asked Questions

Yes, odn.ne.jp is a valid email domain originally operated by ODN (Open Data Network), now maintained by SoftBank. Legacy email accounts remain active for Japanese subscribers.
No, odn.ne.jp is not a disposable or temporary email service. It is a permanent ISP email domain with legacy accounts maintained by SoftBank for former ODN subscribers in Japan.
odn.ne.jp uses mail servers managed by SoftBank infrastructure in Japan. The MX records direct inbound email to SoftBank gateways for filtering and delivery.
You can send marketing emails to odn.ne.jp addresses with valid opt-in consent. Authenticate with SPF and DKIM, comply with Japanese anti-spam law, and honor opt-out requests.
You can verify an odn.ne.jp email address using an email verification service that checks MX records and performs SMTP-level validation to confirm the mailbox is active.
The fastest and most accurate way to verify a odn.ne.jp email address is to use BulkEmailChecker's free email verification tool. Simply enter the full email address and our system performs SMTP-level validation by connecting directly to odn.ne.jp's mail servers. You'll get instant results showing whether the mailbox exists, is deliverable, and is safe to send to, all without sending a single email.
Yes. BulkEmailChecker uses SMTP verification to check if a odn.ne.jp mailbox exists without ever delivering an email. Our system connects to the domain's mail server, performs an SMTP handshake, and queries the mail server to confirm whether the recipient address is valid. This process is completely invisible to the email recipient and does not affect your sender reputation.
Sending to invalid email addresses causes hard bounces, which directly damage your sender reputation. Internet Service Providers (ISPs) and email providers track your bounce rate, and if it exceeds 2%, your emails may start landing in spam folders or get blocked entirely. Verifying odn.ne.jp addresses with BulkEmailChecker before sending prevents bounces and keeps your deliverability high.
BulkEmailChecker's bulk verification service lets you upload a CSV or TXT file containing thousands of odn.ne.jp email addresses and verify them all at once. Each address goes through 30+ verification checks including syntax validation, DNS/MX lookup, SMTP verification, disposable domain detection, and spam trap identification. Results are typically ready within minutes and can be downloaded as a clean, verified list.
Email verification is the process of confirming that an email address is real, properly formatted, and capable of receiving messages. It matters because sending to invalid addresses causes bounces, damages your sender reputation, wastes marketing budget, and can get your sending IP blacklisted. BulkEmailChecker verifies addresses at the SMTP level, the most accurate method available, ensuring your emails reach real people.
MX (Mail Exchange) records are DNS entries that specify which mail servers are responsible for receiving email for a domain. When you send an email, your mail server looks up the recipient domain's MX records to find where to deliver the message. If a domain has no MX records, it cannot receive email. BulkEmailChecker checks MX records as part of every verification to confirm the domain is configured for email delivery.
A catch-all (or accept-all) domain is configured to accept email sent to any address at that domain, regardless of whether the specific mailbox exists. This makes it harder to verify individual addresses because the server always responds positively. BulkEmailChecker detects catch-all configurations and flags them in verification results so you can make informed decisions about sending to those addresses.
Yes. BulkEmailChecker offers a real-time email verification API that you can integrate into signup forms, CRM systems, lead capture tools, and any application that collects email addresses. The API validates addresses at the point of entry, blocking invalid, disposable, and risky emails before they enter your database. Integration takes just a single API call with response times under 3 seconds.

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