keioplaza.co.jp

Valid Email Server
Domain Lookup › keioplaza.co.jp

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
keioplaza.co.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-17 19:04:59 UTC · ↺ Refresh

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MX Hostnames

  • mx.securemx.jp

MX Priorities

  • mx.securemx.jp: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 210.130.202.96 ↩ mx114a.securemx.jp
  • 210.130.202.92 ↩ mx180b.securemx.jp
  • 210.130.202.93 ↩ mx114b.securemx.jp
  • 210.130.202.99 ↩ mx180a.securemx.jp

SOA Record

Raw SOA master.dns.ne.jp tech.sakura.ad.jp 2025102002 3600 900 3600000 3600
Primary NS (mname)
master.dns.ne.jp
Admin Email (rname)
tech@sakura.ad.jp
Serial
2025102002
Refresh
3600s
Retry
900s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

ns1.dns.ne.jp
ns2.dns.ne.jp

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.securemx.jp include:spf.synxis.com +ip4:54.248.144.12 +ip4:18.179.190.255 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

2 records
  • SPFv=spf1 include:spf.securemx.jp include:spf.synxis.com +ip4:54.248.144.12 +ip4:18.179.190.255 ~all
  • 20241107155304EAC273F67D1445C1DCDAE468E7FB88CA1BCBE844FA3AEB84EB05AF62DB9F68DC
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