siix.co.jp

Valid Email Server
Domain Lookup › siix.co.jp

Domain Overview

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

Checked via [email protected] · 2026-03-25 21:10:42 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • siix-co-jp.mail.protection.outlook.com: 0

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.124.6 ↩ mail-tyvp286cu00206.inbound.protection.outlook.com
  • 52.101.124.0 ↩ mail-tycp286cu02600.inbound.protection.outlook.com
  • 52.101.157.11 ↩ mail-os0p286cu01203.inbound.protection.outlook.com
  • 52.101.157.40 ↩ mail-os9p286cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a:: ↩ mail-tycp286cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::1 ↩ mail-os0p286cu01201.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::3 ↩ mail-tyvp286cu00203.inbound.protection.outlook.com

SOA Record

Raw SOA xsiix01.siix.co.jp root.xsiix01.siix.co.jp 131199361 3600 3600 604800 3600
Primary NS (mname)
xsiix01.siix.co.jp
Admin Email (rname)
root@xsiix01.siix.co.jp
Serial
131199361
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns-tk022.ocn.ad.jp
xsiix01.siix.co.jp

SPF Record

✓ Soft Fail (~all)
v=spf1 +ip4:202.234.223.144/28 +ip4:52.197.139.238/32 +ip4:52.78.38.157/32 +ip4:160.86.247.83/32 +ip4:125.103.158.50/29 include:spf.protection.outlook.com include:spf.mta.hdems.com include:aspmx.pardot.com include:spf.baremetal.jp ~all
📊 DNS lookups: 4/10
~ 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

4 records
  • pardot902821=3ce09d19ff2af61aaa5290202db9410f24f5b294ea0d40a07d0504a9dfb27e97
  • SPFv=spf1 +ip4:202.234.223.144/28 +ip4:52.197.139.238/32 +ip4:52.78.38.157/32 +ip4:160.86.247.83/32 +ip4:125.103.158.50/29 include:spf.protection.outlook.com include:spf.mta.hdems.com include:aspmx.pardot.com include:spf.baremetal.jp ~all
  • _gwgo3pkeglwpp7t4q9k22sgimhwrh3y
  • MS=ms92666104
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