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Domain report

theproblemsite.com

theproblemsite.com ranks in the top 1.37% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore theproblemsite.com in the Web Graph

Connectivity

#1,829,611harmonic-centrality rank
Top percentile
1.37%
Hosts observed
2

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://theproblemsite.com/ answered with HTTP 200.

Certificate until 2026-12-12C=US, O=Let's Encrypt, CN=YR2

DNS records

A
  • 192.138.17.145
AAAA
No records found.
MX
  • 0 smtp.secureserver.net.
  • 10 mailstore1.secureserver.net.
NS
  • ns2.virtuweb.net.
  • ns1.virtuweb.net.
AS
Server in network LIQUIDWEB, AS32244 · United States192.138.17.0/24, which holds 192.138.17.145

Live preview

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

Domain registration (WHOIS / RDAP)

Registrar
Wild West Domains, LLC
Registered
2002-04-16
Expires
2027-04-16
Last changed
2025-04-17

Nameservers: NS1.VIRTUWEB.NET, NS2.VIRTUWEB.NET

Status: client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited

How to read WHOIS and RDAP data

SSL certificate

Common name
mail.theproblemsite.com
Issuer
C=US, O=Let's Encrypt, CN=YR2
Valid from
2026-09-13
Valid until
2026-12-12

Matches theproblemsite.com exactly. Source: Certificate Transparency logs (crt.sh).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
max-age=0, no-cache, s-maxage=10
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://theproblemsite.com/HTTP 301

    → https://www.theproblemsite.com/

  2. 2.https://www.theproblemsite.com/HTTP 200

Meta tags

Title
The Problem Site - Educational Games and Resources
Description
Problem Solving and Educational Games - solve problems, brainteasers and puzzles, and play educational games at The Problem Site
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
The Problem Site - Educational Games and Resources
Open Graph description
Not set
Open Graph image
https://www.theproblemsite.com/images/og/tps.png?x=5
Open Graph type
article
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

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

No Sitemap declared in robots.txt.

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/7.3.33

  • Google Analyticsanalytics

    Found "www.google-analytics.com" in the page's HTML

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Similar connectivity

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