Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vet.osakafu-u.ac.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 23:53:29 UTC · ↺ Refresh
MX Hostnames
- mgw3.omu.ac.jp
- mgw1.omu.ac.jp
- mgw2.omu.ac.jp
MX Priorities
- mgw3.omu.ac.jp: 10
- mgw1.omu.ac.jp: 10
- mgw2.omu.ac.jp: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 163.226.194.33 ↩ mgw3.omu.ac.jp
- 163.226.194.31 ↩ mgw1.omu.ac.jp
- 163.226.194.32 ↩ mgw2.omu.ac.jp
SOA Record
Raw SOA
ns1.omu.ac.jp hostmaster.omu.ac.jp 2022092300 3600 300 3600000 3600
Primary NS (mname)
ns1.omu.ac.jp
Admin Email (rname)
hostmaster@omu.ac.jp
Serial
2022092300
Refresh
3600s
Retry
300s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns1.omu.ac.jp
dns-x.sinet.ad.jp
ns2.omu.ac.jp
SPF Record
✓ Soft Fail (~all)
v=spf1 +ip4:157.16.130.42 include:spf.protection.outlook.com include:spf.omu.ac.jp ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 +ip4:157.16.130.42 include:spf.protection.outlook.com include:spf.omu.ac.jp ~all
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