Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
onetm.jp
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 07:42:14 UTC · ↺ Refresh
MX Hostnames
- mail2.onetm.jp
MX Priorities
- mail2.onetm.jp: 10
A / AAAA Records
- 133.242.202.51 ↩ ik1-133-73047.vs.sakura.ne.jp
Mail Server IPs
- 133.242.202.51 ↩ ik1-133-73047.vs.sakura.ne.jp
SOA Record
Raw SOA
01.dnsv.jp hostmaster.dnsv.jp 1734680267 3600 900 604800 300
Primary NS (mname)
01.dnsv.jp
Admin Email (rname)
hostmaster@dnsv.jp
Serial
1734680267
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 ip4:133.242.202.51 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 ip4:133.242.202.51 ~all
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