Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
gesurg.med.osaka-u.ac.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-23 07:13:44 UTC · ↺ Refresh
MX Hostnames
- mx1.hc1088-88.ap.iphmx.com
- mx2.hc1088-88.ap.iphmx.com
MX Priorities
- mx2.hc1088-88.ap.iphmx.com: 10
- mx1.hc1088-88.ap.iphmx.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 139.138.43.164 (no PTR)
- 139.138.42.42 (no PTR)
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Soft Fail (~all)
v=spf1 exists:%{i}.spf.hc1088-88.ap.iphmx.com +ip4:133.1.0.0/16 ~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 exists:%{i}.spf.hc1088-88.ap.iphmx.com +ip4:133.1.0.0/16 ~all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for gesurg.med.osaka-u.ac.jp
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits