Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
iijmio-mail.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 17:54:06 UTC · ↺ Refresh
MX Hostnames
- iij-mx-v4.xspmail.jp
- iij-mx-v6.xspmail.jp
MX Priorities
- iij-mx-v6.xspmail.jp: 20
- iij-mx-v4.xspmail.jp: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 2001:240:bb81:94:202:238:198:35 ↩ iij-mx.xspmail.jp
- 202.238.198.35 ↩ iij-mx.xspmail.jp
SOA Record
Raw SOA
dns0.iij.ad.jp postmaster.iij.ad.jp 100229 3600 1800 3600000 86400
Primary NS (mname)
dns0.iij.ad.jp
Admin Email (rname)
postmaster@iij.ad.jp
Serial
100229
Refresh
3600s
Retry
1800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
dns0.iij.ad.jp
dns1.iij.ad.jp
SPF Record
✓ Strict (-all)
v=spf1 include:spf.xspmail.jp -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=s; aspf=s; ri=21600; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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
1 record- SPFv=spf1 include:spf.xspmail.jp -all
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