sakura-blue.co.jp

Valid Email Server
Domain Lookup › sakura-blue.co.jp

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sakura-blue.co.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 22:15:52 UTC · ↺ Refresh

MX Hostnames

  • cafe-elk.sakura.ne.jp

MX Priorities

  • cafe-elk.sakura.ne.jp: 9

A / AAAA Records

  • 49.212.235.206 ↩ www3466.sakura.ne.jp

Mail Server IPs

  • 49.212.235.206 ↩ www3466.sakura.ne.jp

SOA Record

Raw SOA 01.dnsv.jp hostmaster.dnsv.jp 1687334467 3600 900 604800 300
Primary NS (mname)
01.dnsv.jp
Admin Email (rname)
hostmaster@dnsv.jp
Serial
1687334467
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

02.dnsv.jp
03.dnsv.jp
04.dnsv.jp
01.dnsv.jp

SPF Record

✓ Soft Fail (~all)
v=spf1 a:www3466.sakura.ne.jp mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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 a:www3466.sakura.ne.jp mx ~all
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