oa110.jp

Valid Email Server
Domain Lookup › oa110.jp

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
oa110.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 18:15:33 UTC · ↺ Refresh

MX Hostnames

  • dmail.kagoya.net

MX Priorities

  • dmail.kagoya.net: 10

A / AAAA Records

  • 133.18.15.50 ↩ o5044s-184.kagoya.net

Mail Server IPs

  • 210.134.58.254 ↩ dmail04.kagoya.net
  • 210.134.51.7 ↩ dmail02.kagoya.net
  • 210.134.58.253 ↩ dmail03.kagoya.net
  • 210.134.51.6 ↩ dmail01.kagoya.net

SOA Record

Raw SOA ns1.value-domain.com hostmaster.oa110.jp 2021070922 3600 900 604800 300
Primary NS (mname)
ns1.value-domain.com
Admin Email (rname)
hostmaster@oa110.jp
Serial
2021070922
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns2.value-domain.com
ns1.value-domain.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:133.18.15.50 ip4:219.94.203.176 include:kagoya.net include:spf.haihaimail.jp ~all
📊 DNS lookups: 2/10
~ 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 ip4:133.18.15.50 ip4:219.94.203.176 include:kagoya.net include:spf.haihaimail.jp ~all
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