Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
npr.co.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 13:45:03 UTC · ↺ Refresh
MX Hostnames
- fw.npr.co.jp
MX Priorities
- fw.npr.co.jp: 20
A / AAAA Records
- 153.122.205.2 (no PTR)
Mail Server IPs
- 221.117.99.162 ↩ md1-1.npr.co.jp
SOA Record
Raw SOA
md1-1.npr.co.jp root.md1-1.npr.co.jp 2025041601 10800 900 604800 86400
Primary NS (mname)
md1-1.npr.co.jp
Admin Email (rname)
root@md1-1.npr.co.jp
Serial
2025041601
Refresh
10800s
Retry
900s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns03.pwd.ne.jp
fw.npr.co.jp
uns02.usen.ad.jp
SPF Record
✓ Strict (-all)
v=spf1 ip4:210.249.128.208/28 ip4:221.117.99.160/29 ip4:211.13.204.0/24 ip4:211.13.204.64/28 include:_spf.shared-server.net include:_spf.attovas.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- apple-domain-verification=N8rER1DPwMzlzB4Q
- SPFv=spf1 ip4:210.249.128.208/28 ip4:221.117.99.160/29 ip4:211.13.204.0/24 ip4:211.13.204.64/28 include:_spf.shared-server.net include:_spf.attovas.com -all
- webexdomainverification.=632d3979-037b-4d48-906c-73b8526d6ffd
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