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cyrusimap.org

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First seen 2026-04-15 · Last seen 2026-05-10 · ok HTTP/1.1 200 5316 ms crawled 2026-05-10

US · 185.199.109.153 · AS54113 Fastly, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
What is Cyrus IMAP? — Cyrus IMAP 3.12.2 documentation
Language
en
Generator
Docutils 0.19: https://docutils.sourceforge.io/

Technology

CDN
Fastly
Server
GitHub.com

Social

Registration

Registrar
Gandi SAS
Created
2004-02-18
Expires
2027-02-18 273 days left
Updated
2025-12-25
Name servers
  • ns1.messagingengine.com
  • ns2.messagingengine.com

DNS records live

NS
  • ns1.messagingengine.com
  • ns2.messagingengine.com
MX
  • 10 in1-smtp.messagingengine.com
  • 20 in2-smtp.messagingengine.com

Email authentication partial

SPF
v=spf1 include:spf.messagingengine.com ?all
neutral (?all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-24 to 2026-07-23
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.cyrusimap.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (4)

Linked from (2)