Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
archeco.co.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-07-27 05:11:10 UTC · ↺ Refresh
MX Hostnames
- mx3.gmoserver.jp
MX Priorities
- mx3.gmoserver.jp: 10
A / AAAA Records
- 160.16.214.5 ↩ tk2-249-34001.vs.sakura.ne.jp
Mail Server IPs
- 210.172.183.60 ↩ mx3.gmoserver.jp
SOA Record
Raw SOA
01.dnsv.jp hostmaster.dnsv.jp 1784639355 3600 900 604800 300
Primary NS (mname)
01.dnsv.jp
Admin Email (rname)
hostmaster@dnsv.jp
Serial
1784639355
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
01.dnsv.jp
02.dnsv.jp
03.dnsv.jp
04.dnsv.jp
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf3.gmoserver.jp include:spf.sendinblue.com ~all
📊 DNS lookups: 2/10
~ 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 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
3 records- google-site-verification=nu4--wTrFGOlAmvDVRZSE4JEIoR-muuMiHMOmSrVuUY
- SPFv=spf1 include:spf3.gmoserver.jp include:spf.sendinblue.com ~all
- brevo-code:f0c7cbe4b632ed8fcf95dbcf3c185224
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