mitsuba.co.jp

Valid Email Server
Domain Lookup › mitsuba.co.jp

Domain Overview

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

Checked via [email protected] · 2026-03-20 11:57:19 UTC · ↺ Refresh

MX Hostnames

  • mitsuba-co-jp.mail.protection.outlook.com

MX Priorities

  • mitsuba-co-jp.mail.protection.outlook.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.157.10 ↩ mail-os0p286cu01302.inbound.protection.outlook.com
  • 52.101.157.11 ↩ mail-os0p286cu01203.inbound.protection.outlook.com
  • 52.101.124.0 ↩ mail-tycp286cu02600.inbound.protection.outlook.com
  • 52.101.124.1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::2 ↩ mail-tyvp286cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::1 ↩ mail-os0p286cu01201.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f:: ↩ mail-os9p286cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::3 ↩ mail-tyvp286cu00203.inbound.protection.outlook.com

SOA Record

Raw SOA mec01.mitsuba.co.jp root.mec01.mitsuba.co.jp 2025121201 7200 3600 1209600 3600
Primary NS (mname)
mec01.mitsuba.co.jp
Admin Email (rname)
root@mec01.mitsuba.co.jp
Serial
2025121201
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

mec01.mitsuba.co.jp
s-field1.sunfield.ne.jp

SPF Record

✓ Strict (-all)
v=spf1 +ip4:202.213.39.34/32 +ip4:202.213.39.139/32 +ip4:101.110.36.112/28 +ip4:101.110.50.0/24 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;rua=mailto:[email protected]; ruf=mailto:[email protected];fo=1
⚠ 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

4 records
  • apple-domain-verification=RjMaJCd6Y36CAk5h
  • box-domain-verification=24a22df8fd593e653fc93b4f6644b6965d588e1e6e86033ffbd3317e6737c313
  • TTARVzcfALxqGT6cD+d+AntWwQVTyU8bYYatLyy5cBqUDvT/VFc5qRj3YsO0ZZbBe0yQ8wTwWvuXPXMZMRGQ6A==
  • SPFv=spf1 +ip4:202.213.39.34/32 +ip4:202.213.39.139/32 +ip4:101.110.36.112/28 +ip4:101.110.50.0/24 include:spf.protection.outlook.com -all
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