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Domain report

cmdk.email

cmdk.email ranks in the top 0.19% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore cmdk.email in the Web Graph

Connectivity

#255,326harmonic-centrality rank
Top percentile
0.19%
Hosts observed
1

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://cmdk.email/ answered with HTTP 200.

DNS records

A
  • 104.21.11.3
  • 172.67.164.222
AAAA
  • 2606:4700:3035::6815:b03
  • 2606:4700:3036::ac43:a4de
MX
  • 1 smtp.google.com.
NS
  • lisa.ns.cloudflare.com.
  • matt.ns.cloudflare.com.

Live preview

This is a live, sandboxed embed of cmdk.email — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

Registrar
NameCheap, Inc.
Registered
2026-02-23
Expires
2027-02-23
Last changed
2026-08-11

Nameservers: matt.ns.cloudflare.com, lisa.ns.cloudflare.com

Status: client transfer prohibited

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
public, max-age=600, stale-while-revalidate=604800
Content-Encoding
Not sent

Security

Content-Security-Policy
upgrade-insecure-requests
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

What each security header does

Redirect chain

  1. 1.http://cmdk.email/HTTP 301

    → https://cmdk.email/

  2. 2.https://cmdk.email/HTTP 200

Meta tags

Title
CMDK for Gmail: Shortcuts, Read Receipts, Templates, Themes
Description
CMDK adds 80+ Gmail shortcuts, a command bar, read receipts, and reminders. The affordable Superhuman alternative. Try free for 15 days, no card needed.
Canonical
https://cmdk.email/
Robots
follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large
Generator
WordPress 7.1.3
Open Graph title
CMDK for Gmail: Shortcuts, Read Receipts, Templates, Themes
Open Graph description
CMDK adds 80+ Gmail shortcuts, a command bar, read receipts, and reminders. The affordable Superhuman alternative. Try free for 15 days, no card needed.
Open Graph image
https://cmdk.email/wp-content/uploads/2025/08/d47985a8-08ac-4788-9693-1ce8a263c407-1.jpg
Open Graph type
website
Twitter card
summary_large_image
Twitter title
CMDK for Gmail: Shortcuts, Read Receipts, Templates, Themes
Twitter image
https://cmdk.email/wp-content/uploads/2025/08/d47985a8-08ac-4788-9693-1ce8a263c407-1.jpg

robots.txt

Disallow rules (User-agent: *)
1
Disallow rules (other agents)
0

Sitemap declared:

  • https://cmdk.email/sitemap_index.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • PHPother

    X-Powered-By: PHP/8.3.35

  • WordPresscms

    <meta name="generator"> = "WordPress 7.1.3"

  • Google Analyticsanalytics

    Found "googletagmanager.com/gtag/js" in the page's HTML

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