eio.upv.es

Email infrastructure report · Last checked

Summary

eio.upv.es uses Microsoft 365 for email and has SPF and DMARC configured. It is not catch-all.

Mail provider

ProviderMicrosoft 365 business
Primary MXupv-edu-es.mail.protection.outlook.com

MX records

PriorityHostnameIPs
10upv-edu-es.mail.protection.outlook.com52.101.73.16, 52.101.73.8, 52.101.68.18, 52.101.73.6, 2a01:111:f403:ca09::20, 2a01:111:f403:ca04::7, 2a01:111:f403:ca04::f, 2a01:111:f403:ca04::c

Authentication

SPF Present ~all
DKIM? Not detected via common selectors
DMARC Present p=quarantine
Raw SPF record
v=spf1 include:spf.upv.es include:spf.protection.outlook.com ~all
Raw DMARC record
v=DMARC1; p=quarantine; sp=quarantine; fo=1; rua=mailto:dmarc_rua@upv.es; ruf=mailto:dmarc_ruf@upv.es;

Email behavior

Catch-all No
Disposable No
Free provider No
STARTTLS Supported
SMTP response5ms
SMTP banner220 DB5PEPF00014B98.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Fri, 24 Jul 2026 01:09:22 +0000 [08DEE830409CBC2A]

What this means

This domain is missing DKIM, 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 If you think the data above is out of date, run a fresh check below.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).

Want to verify individual addresses at eio.upv.es?

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@eio.upv.es" \
  -H "Authorization: Bearer cm_live_..."