cb4.so-net.ne.jp

Valid Email Server
Domain Lookup › cb4.so-net.ne.jp
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cb4.so-net.ne.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 12:45:49 UTC · ↺ Refresh

MX Hostnames

  • sonet-common-mx-v4.xspmail.jp

MX Priorities

  • sonet-common-mx-v4.xspmail.jp: 100

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 160.13.60.174 ↩ sonet-common-mx.xspmail.jp

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:202.238.84.0/24 ip4:202.213.234.128/25 include:spf.xspmail.jp ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; ri=14400; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 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

1 record
  • SPFv=spf1 ip4:202.238.84.0/24 ip4:202.213.234.128/25 include:spf.xspmail.jp ~all
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