Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
primetech.co.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-19 10:44:25 UTC · ↺ Refresh
MX Hostnames
- mx.securemx.jp
MX Priorities
- mx.securemx.jp: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 210.130.202.92 ↩ mx180b.securemx.jp
- 210.130.202.96 ↩ mx114a.securemx.jp
- 210.130.202.93 ↩ mx114b.securemx.jp
- 210.130.202.99 ↩ mx180a.securemx.jp
SOA Record
Raw SOA
ns000.d-53.net dns-managers.iij.ad.jp 347 3600 600 604800 900
Primary NS (mname)
ns000.d-53.net
Admin Email (rname)
dns-managers@iij.ad.jp
Serial
347
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns018-j09ojarnjsdrkejb.j.d-53.net
ns018-j09ojarnjsdrkejb.j.d-53.info
ns018-j09ojarnjsdrkejb.j.d-53.jp
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.securemx.jp include:_spf.salesforce.com include:spf.spcloud.jp +ip4:118.238.209.245 +ip4:210.130.202.0/24 +ip4:13.71.133.58 +ip4:20.191.191.161 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; aspf=r; adkim=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- linkedin-site-verification=59bc96c8-5b1b-4114-94fc-ecbaae74b237
- SPFv=spf1 include:spf.protection.outlook.com include:spf.securemx.jp include:_spf.salesforce.com include:spf.spcloud.jp +ip4:118.238.209.245 +ip4:210.130.202.0/24 +ip4:13.71.133.58 +ip4:20.191.191.161 -all
Full email verification for primetech.co.jp
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