Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seals-japan.co.jp
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 08:00:08 UTC · ↺ Refresh
MX Hostnames
- sealsjapan-co-jp01c.mail.protection.outlook.com
- mx.seals-japan.co.jp
MX Priorities
- mx.seals-japan.co.jp: 10
- sealsjapan-co-jp01c.mail.protection.outlook.com: 0
A / AAAA Records
- 160.251.229.82 ↩ www.gmoserver.jp
Mail Server IPs
- 160.251.229.96 ↩ mx-10.gmoserver.jp
- 52.101.157.11 ↩ mail-os0p286cu01203.inbound.protection.outlook.com
- 52.101.124.0 ↩ mail-tycp286cu02600.inbound.protection.outlook.com
- 52.101.124.5 ↩ mail-tyvp286cu00305.inbound.protection.outlook.com
- 52.101.157.40 ↩ mail-os9p286cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc24:: ↩ mail-os0p286cu01300.inbound.protection.outlook.com
- 2a01:111:f403:cc1a:: ↩ mail-tycp286cu02600.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
dns01.gmoserver.jp hostmaster.seals-japan.co.jp 2021112104 28800 7200 604800 600
Primary NS (mname)
dns01.gmoserver.jp
Admin Email (rname)
hostmaster@seals-japan.co.jp
Serial
2021112104
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
dns02.gmoserver.jp
dns01.gmoserver.jp
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:157.7.144.5 include:spf.protection.outlook.com include:_spf.activegate-ss.jp include:kairos3.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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- MS=ms10753102
- google-site-verification=VQlaA_CoZ2F-g64lW0j2IdOBrbxQpyqADpufPvweyd4
- SPFv=spf1 ip4:157.7.144.5 include:spf.protection.outlook.com include:_spf.activegate-ss.jp include:kairos3.com ~all
- linkedin-site-verification=e24272d3-fec7-4fe0-a298-f3f667b811ba
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