iij.ad.jp

Valid Email Server
Domain Lookup › iij.ad.jp

Domain Overview

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

Checked via [email protected] · 2026-03-24 20:46:36 UTC · ↺ Refresh

MX Hostnames

  • omgi.iij.ad.jp

MX Priorities

  • omgi.iij.ad.jp: 10

A / AAAA Records

  • 202.232.2.191 (no PTR)
  • 2001:240:bb81::10:191 (no PTR)

Mail Server IPs

  • 202.232.173.185 ↩ mi112.iij.ad.jp
  • 202.32.171.213 ↩ mi182.iij.ad.jp
  • 2001:240:bb5f:1949::1:126 ↩ of-mail-lvs112.dmz.nhn.hop.2iij.net
  • 2001:240:bb46:8134::1:126 ↩ of-mail-lvs182.dmz.nhn.hop.2iij.net

SOA Record

Raw SOA bh0.iij.ad.jp postmaster.iij.ad.jp 1774368604 3600 1800 1209600 3600
Primary NS (mname)
bh0.iij.ad.jp
Admin Email (rname)
postmaster@iij.ad.jp
Serial
1774368604
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns1.iij.ad.jp
dns0.iij.ad.jp

SPF Record

✓ Strict (-all)
v=spf1 include:spf.iij.ad.jp include:spf.dox.jp -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 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

2 records
  • SPFv=spf1 include:spf.iij.ad.jp include:spf.dox.jp -all
  • _globalsign-domain-verification=qSNEOr9rmlIgx-CLJgTN-uypossXQTKD4GuWN-Jwp0
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