seiko-sol.co.jp

Valid Email Server
Domain Lookup › seiko-sol.co.jp
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
seiko-sol.co.jp
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 18:15:09 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • seikosol-co-jp01c.mail.protection.outlook.com
  • mx.securemx.jp
  • mail.ssol-ix.jp
  • mail2.ssol-ix.jp

MX Priorities

  • seikosol-co-jp01c.mail.protection.outlook.com: 100
  • mail2.ssol-ix.jp: 300
  • mail.ssol-ix.jp: 200
  • mx.securemx.jp: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.157.40 ↩ mail-os9p286cu00100.inbound.protection.outlook.com
  • 52.101.124.6 ↩ mail-tyvp286cu00206.inbound.protection.outlook.com
  • 52.101.124.1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
  • 52.101.157.11 ↩ mail-os0p286cu01203.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::1 ↩ mail-os0p286cu01201.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a:: ↩ mail-tycp286cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::3 ↩ mail-tyvp286cu00203.inbound.protection.outlook.com
  • 219.101.171.71 (no PTR)
  • 202.32.142.11 ↩ mail.ssol-ix.jp
  • 210.130.202.93
  • 210.130.202.99
  • 210.130.202.96
  • 210.130.202.92

SOA Record

Raw SOA ns2.ssol-ix.jp postmaster.central.ssol-ix.jp 2026052501 600 900 604800 600
Primary NS (mname)
ns2.ssol-ix.jp
Admin Email (rname)
postmaster@central.ssol-ix.jp
Serial
2026052501
Refresh
600s
Retry
900s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns4.ssol-ix.jp
ns3.ssol-ix.jp
ns2.ssol-ix.jp
ns1.ssol-ix.jp

SPF Record

✗ Invalid
v=spf1 include:_spf-a.seiko-sol.co.jp include:spf.protection.outlook.com include:md23.maildealer.jp include:spf.haihaimail.jp include:spf.securemx.jp include:_spf.ddreams.jp include:amazonses.com include:19823358.spf08.hubspotemail.net include:mail.zendesk.com include:webcas.net -all
📊 DNS lookups: 11/10 — over limit!
⚠ Too many DNS lookups (11/10) — SPF will fail validation. Reduce include: statements.

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • SPFv=spf1 include:_spf-a.seiko-sol.co.jp include:spf.protection.outlook.com include:md23.maildealer.jp include:spf.haihaimail.jp include:spf.securemx.jp include:_spf.ddreams.jp include:amazonses.com include:19823358.spf08.hubspotemail.net include:mail.zendesk.com include:webcas.net -all
  • MS=ms79960724
  • google-site-verification=IneJ7l3ApylrWEK-Q9zgWUMnuca_6n0F1pNsDi42DMk
  • apple-domain-verification=P5RQap8ZSdmi07QY
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for seiko-sol.co.jp

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits