CheckMail

cnrs-orleans.fr

Email infrastructure report · Last checked

Summary

cnrs-orleans.fr uses Self-hosted / Custom for email and has SPF, DKIM, and DMARC configured. It is not catch-all.

Mail provider

ProviderSelf-hosted / Custom self-hosted
Primary MXmailgw.cnrs-orleans.fr

MX records

PriorityHostnameIPs
0mailgw.cnrs-orleans.fr163.9.1.10

Authentication

SPF✓ Present ~all
DKIM✓ Found (selectors: dkim)
DMARC✓ Present p=none
Raw SPF record
v=spf1 ip4:163.9.1.10 ip4:163.9.67.132 ip4:163.9.67.135 ip4:163.9.67.133 ip4:163.9.67.24 ip4:163.9.67.60 ip4:163.9.1.22 mx a:dr8.cnrs.fr ~all
Raw DMARC record
v=DMARC1;p=none;pct=100;rua=mailto:root@dr08.cnrs.fr;ruf=mailto:root@dr08.cnrs.fr;sp=none

Email behavior

Catch-all✗ No
Disposable✗ No
Free provider✗ No
STARTTLS✗ Not advertised
SMTP response92ms
SMTP banner220 mailgw-v2.cnrs-orleans.fr ESMTP Postfix (Debian/GNU)

What this means

This domain has strong email authentication. Messages claiming to come from @cnrs-orleans.fr can be cryptographically verified by recipients, making spoofing difficult. Deliverability for legitimate mail should be good.

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 If you think the data above is out of date, run a fresh check below.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 cnrs-orleans.fr?

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@cnrs-orleans.fr" \
  -H "Authorization: Bearer cm_live_..."