keikyu-group.jp

Valid Email Server
Domain Lookup › keikyu-group.jp

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
keikyu-group.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 09:06:30 UTC · ↺ Refresh

MX Hostnames

  • mx.securemx.jp

MX Priorities

  • mx.securemx.jp: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

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

SOA Record

Raw SOA ns6-tk01.ocn.ad.jp root.ocn.ad.jp 2026031801 86400 3600 604800 1200
Primary NS (mname)
ns6-tk01.ocn.ad.jp
Admin Email (rname)
root@ocn.ad.jp
Serial
2026031801
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
1200s

Nameservers (NS)

ns6-tk02.ocn.ad.jp
ns6-tk01.ocn.ad.jp

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:210.164.129.32/27 include:spf.securemx.jp ip4:210.163.144.0/24 ip4:210.158.220.16 ip4:210.158.220.18 ip4:210.129.66.171 include:spf.curumeru.jp include:_a.keikyu-group.jp include:spf.gao.ne.jp ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=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

3 records
  • apple-domain-verification=35BtaVGzK1vIr2qg
  • google-site-verification=uzHN90VjwbJbhX-4ChbSlhC5ZjEYA37B9ZK8CRuvwck
  • SPFv=spf1 ip4:210.164.129.32/27 include:spf.securemx.jp ip4:210.163.144.0/24 ip4:210.158.220.16 ip4:210.158.220.18 ip4:210.129.66.171 include:spf.curumeru.jp include:_a.keikyu-group.jp include:spf.gao.ne.jp ~all
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