Domain Overview
DNS: ✓ 12d ago
Checker: ✓ 12d ago
izutter.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-31 20:06:22 UTC · ↺ Refresh
MX Hostnames
- mx-proxy502.heteml.jp
- mx-proxy501.heteml.jp
MX Priorities
- mx-proxy501.heteml.jp: 10
- mx-proxy502.heteml.jp: 20
A / AAAA Records
- 157.7.189.127 ↩ users208.vip.heteml.jp
Mail Server IPs
- 157.7.189.17 (no PTR)
- 157.7.189.18 (no PTR)
SOA Record
Raw SOA
dns0.heteml.jp hostmaster.izutter.jp 1780247777 16384 2048 1048576 2560
Primary NS (mname)
dns0.heteml.jp
Admin Email (rname)
hostmaster@izutter.jp
Serial
1780247777
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
dns0.heteml.jp
dns1.heteml.jp
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.heteml.jp ~all
📊 DNS lookups: 1/10
~ 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
✗ 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
1 record- SPFv=spf1 include:_spf.heteml.jp ~all
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