sankyu.co.jp

Valid Email Server
Domain Lookup › sankyu.co.jp

Domain Overview

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

Checked via [email protected] · 2026-03-30 04:40:38 UTC · ↺ Refresh

MX Hostnames

  • gw4249.fortimail.com

MX Priorities

  • gw4249.fortimail.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 173.243.134.249 ↩ gw4249.fortimail.com

SOA Record

Raw SOA ns-1205.awsdns-22.org awsdns-hostmaster.amazon.com 2026032701 7200 1800 1209600 600
Primary NS (mname)
ns-1205.awsdns-22.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2026032701
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns-878.awsdns-45.net
ns-1205.awsdns-22.org
ns-1937.awsdns-50.co.uk
ns-68.awsdns-08.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:210.190.116.0/25 ip4:173.243.134.249 ip4:54.150.104.222 ip4:35.72.58.57 include:mds3228.maildealer.jp ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

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

7 records
  • asv=ae2364af72860832fb70a805b21c1d92
  • direct-site-verification=a52627394491702b3e0deae627e72f98bf55859a44
  • google-site-verification=A4_7GIMyC2GV6Very74PE7sk2Zi3vT4MxgGF0-XDADo
  • knowbe4-site-verification=e97fde94a5fd20b686f1c63d524dfeec
  • SPFv=spf1 ip4:210.190.116.0/25 ip4:173.243.134.249 ip4:54.150.104.222 ip4:35.72.58.57 include:mds3228.maildealer.jp ~all
  • ZOOM_verify_41uDzXkXSQ-_nOGVUXMB5A
  • apple-domain-verification=xJMvA2krIC0FfjtS
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