stud.semmelweis.hu
Email infrastructure report · Last checked
Summary
stud.semmelweis.hu uses Microsoft 365 for email and has SPF and DKIM configured. It is a catch-all domain.
Mail provider
ProviderMicrosoft 365 business
Primary MXstud-semmelweis-hu.mail.protection.outlook.com
MX records
| Priority | Hostname | IPs |
|---|---|---|
| 0 | stud-semmelweis-hu.mail.protection.outlook.com | 52.101.73.15, 52.101.73.2, 52.101.73.22, 52.101.73.19, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::e, 2a01:111:f403:ca09::20, 2a01:111:f403:ca09::9 |
Authentication
SPF✓ Present
-allDKIM✓ Found (selectors: selector1)
DMARC✗ Missing
Raw SPF record
v=spf1 include:spf.protection.outlook.com -all
Email behavior
Catch-all✓ Yes
Disposable✗ No
Free provider✗ No
STARTTLS✓ Supported
SMTP response64ms
SMTP banner220 AM1PEPF000252DE.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Tue, 28 Jul 2026 18:39:39 +0000 [08DEE87D0A5674C4]
What this means
This domain is missing DMARC, which weakens its protection against email spoofing. Adding this record would improve deliverability and reduce the risk of impersonation.
Refresh this report
Cached results are kept indefinitely. If you think the data above is out of date, run a fresh check below. Refreshes are rate-limited (1 per domain every 5 minutes).
CheckMail's API verifies real-time deliverability with SMTP checks, not just DNS lookups. 100 free credits, no credit card required.
Get an API key →curl https://api.checkmail.dev/v1/verify \ -G --data-urlencode "email=test@stud.semmelweis.hu" \ -H "Authorization: Bearer cm_live_..."