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Airnet.ne.jp

Safe to Send

Airnet.ne.jp is operated by Airnet Japan. The domain runs 2 mail exchanges and SMTP is responsive, with 2 of 3 authentication standards in place.

Safe to Send
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Verify @airnet.ne.jp emails

Live SMTP handshake against airnet.ne.jp mail servers. No email is sent. 10 free per day, no signup.

@airnet.ne.jp
No email sent No signup Real-time SMTP

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4.9/5
From 8,500+ verified reviews
The risk score saves my team probably an hour a day in manual prospect research. We sort outreach lists by it and skip anything in the high-risk band. Bounce rate is the lowest it's ever been. Lisa Fonseca · SDR Team Lead
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
2
Mail exchangers

Mail Exchange (MX) Records for airnet.ne.jp 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.

2 RECORDS
#10
mxin1.airnet.ne.jp 210.159.71.90
Reachable
#10
mxin2.airnet.ne.jp 210.159.71.91
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 mxin1.airnet.ne.jp ESMTP
Primary mail server accepted SMTP connection and returned a banner during the live audit.

airnet.ne.jp 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:spf01.airnet.ne.jp ip4:210.159.75.0/24 ~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 airnet.ne.jp.
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-rua-isp@air.ad.jp;
Monitoring only. Receivers take no action when SPF or DKIM fails.

airnet.ne.jp Domain Registration WHOIS · Nameservers · Registrar

20 YEARS OLD
RegisteredNovember 11, 2005
Last UpdatedNovember 30, 2025
ExpiresNovember 30, 2026
Age20 years
TLD.ne.jp
Authoritative Nameservers (4)
  • pns.air.ne.jp
  • ns1.air.ne.jp
  • ns2.air.ne.jp
  • ns3.air.ne.jp
Registrant
AIRNET
About this Domain

About airnet.ne.jp

airnet.ne.jp is the email domain for AIRnet, a Japanese internet service provider. AIRnet provides broadband connectivity and email services to customers across Japan, with airnet.ne.jp addresses commonly used for personal correspondence by Japanese internet subscribers.

airnet.ne.jp publishes SPF records to help receiving servers validate message authenticity. DKIM support and DMARC policies follow standard Japanese ISP practices. Senders should configure proper SPF alignment and sign messages with DKIM for reliable delivery.

The airnet.ne.jp mail servers validate recipients during the SMTP handshake and reject messages for nonexistent mailboxes. Japanese ISP mail systems typically apply content filtering and reputation-based checks, and may defer messages from new or low-reputation senders.

To deliver reliably to airnet.ne.jp, authenticate with SPF and DKIM, maintain low complaint rates, and avoid sending from newly provisioned IPs without a warmup period. Japanese ISPs tend to be cautious with unfamiliar senders, so gradual volume increases are recommended.

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Common Questions About airnet.ne.jp

Is airnet.ne.jp a disposable or temporary email provider?
No. airnet.ne.jp is not a disposable email provider. It is classified as ISP Email Provider operated by Airnet Japan and addresses on airnet.ne.jp are persistent rather than throwaway. Mail sent to a valid airnet.ne.jp mailbox reaches a real recipient.
How do I verify if a airnet.ne.jp email address is valid?
The fastest way to verify a airnet.ne.jp email address is to use our free email checker. Enter any @airnet.ne.jp mailbox at the top of this page and our system performs a real-time SMTP handshake against airnet.ne.jp'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 airnet.ne.jp email exists without sending a message?
Yes. Our real-time email verification API connects directly to airnet.ne.jp'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 airnet.ne.jp mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for airnet.ne.jp?
airnet.ne.jp currently publishes 2 mail exchange (MX) records. The primary MX is mxin1.airnet.ne.jp, which is the first server contacted when other mail systems try to deliver email to a airnet.ne.jp 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 airnet.ne.jp.
Does airnet.ne.jp use SPF, DKIM, and DMARC email authentication?
airnet.ne.jp 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 airnet.ne.jp mail.
Why do emails to airnet.ne.jp bounce or get blocked?
Bounces from airnet.ne.jp 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 airnet.ne.jp'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 airnet.ne.jp's receivers trust you.
How can I verify a large list of airnet.ne.jp email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of airnet.ne.jp addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, airnet.ne.jp 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 airnet.ne.jp email addresses?
Yes, with normal hygiene. airnet.ne.jp is a legitimate email service and signups from @airnet.ne.jp 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 airnet.ne.jp by default.
What email format does airnet.ne.jp use for usernames?
Most airnet.ne.jp mailboxes follow common patterns like first.last@airnet.ne.jp, firstinitiallast@airnet.ne.jp, or first@airnet.ne.jp, but the actual local-part rules depend on Airnet Japan. The only reliable way to confirm whether a specific @airnet.ne.jp 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 airnet.ne.jp risk score calculated?
The 0-to-100 risk score for airnet.ne.jp 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 airnet.ne.jp score is recomputed on every audit so it always reflects the live state of the domain.
Is airnet.ne.jp a valid email domain?
Yes, airnet.ne.jp is a valid email domain operated by AIRnet, a Japanese internet service provider. Email accounts on this domain are actively used by AIRnet broadband customers in Japan.
Is airnet.ne.jp a disposable or temporary email service?
No, airnet.ne.jp is not a disposable or temporary email service. It is a permanent ISP email domain provided by AIRnet to its internet subscribers in Japan.
What mail servers does airnet.ne.jp use?
airnet.ne.jp uses mail servers operated by AIRnet infrastructure in Japan. The MX records direct email to AIRnet mail gateways that handle filtering and delivery for all airnet.ne.jp mailboxes.
Can I send marketing emails to airnet.ne.jp addresses?
You can send marketing emails to airnet.ne.jp addresses only with proper consent from recipients. Authenticate with SPF and DKIM, comply with Japanese anti-spam laws (Act on Regulation of Transmission of Specified Electronic Mail), and honor opt-out requests promptly.
How do I verify an airnet.ne.jp email address?
You can verify an airnet.ne.jp email address using an email verification service that checks MX records and performs SMTP-level validation. This confirms the mailbox exists and is capable of receiving messages before you add it to your mailing list.