Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
shoai.ed.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 08:30:02 UTC · ↺ Refresh
MX Hostnames
- shoai.ed.jp
MX Priorities
- shoai.ed.jp: 10
A / AAAA Records
- 202.172.26.42 ↩ m41.coreserver.jp
Mail Server IPs
- 202.172.26.42 ↩ m41.coreserver.jp
SOA Record
Raw SOA
ns1.value-domain.com hostmaster.shoai.ed.jp 2024052110 3600 900 604800 3600
Primary NS (mname)
ns1.value-domain.com
Admin Email (rname)
hostmaster@shoai.ed.jp
Serial
2024052110
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.value-domain.com
ns1.value-domain.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:202.172.26.42 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:202.172.26.42 ~all
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