Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
daiichi-seiko.co.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 08:58:19 UTC · ↺ Refresh
MX Hostnames
- mx.securemx.jp
MX Priorities
- mx.securemx.jp: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 210.130.202.93 ↩ mx114b.securemx.jp
- 210.130.202.96 ↩ mx114a.securemx.jp
- 210.130.202.99 ↩ mx180a.securemx.jp
- 210.130.202.92 ↩ mx180b.securemx.jp
SOA Record
Raw SOA
ns000.d-53.net dns-managers.iij.ad.jp 307 3600 600 604800 900
Primary NS (mname)
ns000.d-53.net
Admin Email (rname)
dns-managers@iij.ad.jp
Serial
307
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns004-pgcftgjhbaqhb6vs.p.d-53.info
ns004-pgcftgjhbaqhb6vs.p.d-53.jp
ns004-pgcftgjhbaqhb6vs.p.d-53.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +ip4:202.238.234.136 +ip4:202.32.9.106 include:spf.securemx.jp include:willap.jp ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
2 records- SPFv=spf1 +ip4:202.238.234.136 +ip4:202.32.9.106 include:spf.securemx.jp include:willap.jp ~all
- MS=ms30022382
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
See demo & docs
Deep verification
Full email verification for daiichi-seiko.co.jp
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits