kobayashi-g.co.jp

Valid Email Server
Domain Lookup › kobayashi-g.co.jp

Domain Overview

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

Checked via [email protected] · 2026-03-30 19:56:13 UTC · ↺ Refresh

MX Hostnames

  • mx.kobayashi-g.co.jp

MX Priorities

  • mx.kobayashi-g.co.jp: 100

A / AAAA Records

  • 153.122.205.4 (no PTR)

Mail Server IPs

  • 153.122.206.114 (no PTR)

SOA Record

Raw SOA dns01.megaservers.jp root.megaservers.jp 2698700069 10800 1800 259200 1800
Primary NS (mname)
dns01.megaservers.jp
Admin Email (rname)
root@megaservers.jp
Serial
2698700069
Refresh
10800s
Retry
1800s
Expire
259200s
Minimum TTL
1800s

Nameservers (NS)

dns02.megaservers.jp
dns01.megaservers.jp

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.shared-server.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

1 record
  • SPFv=spf1 include:_spf.shared-server.net ~all
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