tokyo-seika.co.jp

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-23 14:42:02 UTC · ↺ Refresh

MX Hostnames

  • tokyoseika-co-jp01c.mail.protection.outlook.com

MX Priorities

  • tokyoseika-co-jp01c.mail.protection.outlook.com: 0

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.157.10 ↩ mail-os0p286cu01302.inbound.protection.outlook.com
  • 52.101.157.40 ↩ mail-os9p286cu00100.inbound.protection.outlook.com
  • 52.101.124.5 ↩ mail-tyvp286cu00305.inbound.protection.outlook.com
  • 52.101.157.11 ↩ mail-os0p286cu01203.inbound.protection.outlook.com
  • 2a01:111:f403:cc24:: ↩ mail-os0p286cu01300.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::2 ↩ mail-tyvp286cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::3 ↩ mail-tyvp286cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f:: ↩ mail-os9p286cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA svnte001 hostmaster 2022051422 43200 7200 1209600 3600
Primary NS (mname)
svnte001
Admin Email (rname)
hostmaster
Serial
2022051422
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

svnte001
ns-tk061.ocn.ad.jp

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:61.113.94.245 include:spf.protection.outlook.com ~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 ip4:61.113.94.245 include:spf.protection.outlook.com ~all
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