Cloudflare DNS Sinkholed
VerdictMalicious
Severitymedium
WEBSITE ANALYSIS REPORT
http://grammercheck.com
public
Report summary
Submitted and final observations · captured HTTP activity
- Submitted URL
- http://grammercheck.com
- Submitted IP / ASN
199.191.50.73 AS40034 · Confluence Networks Inc
- Final URL
- http://grammercheck.com/
- Final IP / ASN
- 199.191.50.73 AS40034 · CONFLUENCE-NETWORK-INC
Final page
- Page title
- grammercheck.com/
- Final DOM MIME
- text/html; charset=utf-8
- Final DOM size
- 32.5 KB (33241 bytes)
Detections
Activity
- HTTP requests
- 19
- Observed hosts
- 6
- Script records
- 12
Estimated HTTP data
- Sent
- ~18.2 KB
- Received
- ~881.6 KB
Page capture
Final browser state
Detection signals
URLQuery findings, Threat Detection Systems, and IDS alerts
Threat Detection Systems
3DNS4EU Sinkholed
VerdictMalicious
Severitymedium
DigiCert UltraDNS Sinkholed
VerdictMalicious
Severitymedium
Host infrastructure
Observed hosts are context, not independent maliciousness verdicts
| Host | Rank | Registered | First seen | Last seen | Sent | Received | IP | Fingerprints |
|---|---|---|---|---|---|---|---|---|
| s.cdn-fileserver.com 3 alerts | 1473336 | 2025-04-08 | 2025-04-11 | 2026-10-12 | 1.7 KB | 38.1 KB |  172.67.181.210 | Cloudflare CDN Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services. Google Cloud CDN CDN Cloud CDN uses Google's global edge network to serve content closer to users. Google Cloud IaaS Google Cloud is a suite of cloud computing services. |
| grammercheck.com | N/A | N/A | N/A | N/A | 1.3 KB | 27.3 KB | 199.191.50.73 | Nginx:1.28.0 Web servers, Reverse proxies Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache. Google Cloud CDN CDN Cloud CDN uses Google's global edge network to serve content closer to users. Google Cloud IaaS Google Cloud is a suite of cloud computing services. |
| l.cdn-fileserver.com 3 alerts | 962880 | 2025-04-08 | 2025-04-11 | 2026-10-12 | 8.2 KB | 2.7 KB | 172.67.181.210 | HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. Cloudflare CDN Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services. Google Cloud CDN CDN Cloud CDN uses Google's global edge network to serve content closer to users. Google Cloud IaaS Google Cloud is a suite of cloud computing services. |
| d.delivery.consentmanager.net | 210318 | 2018-05-02 | 2021-07-25 | 2026-10-13 | 4.1 KB | 14.5 KB |  94.237.89.114 | Apache HTTP Server:2.4.68 Web servers Apache is a free and open-source cross-platform web server software. Debian Operating systems Debian is a Linux software which is a free open-source software. |
| quicknetsearch.com 2 alerts | 4516295 | 2025-02-14 | 2025-04-30 | 2026-10-14 | 1.4 KB | 71.4 KB | 104.21.15.119 | Google Cloud CDN CDN Cloud CDN uses Google's global edge network to serve content closer to users. Google Cloud IaaS Google Cloud is a suite of cloud computing services. Cloudflare CDN Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services. |
| cdn.consentmanager.net | 76668 | 2018-05-02 | 2021-02-08 | 2026-10-15 | 1.6 KB | 727.6 KB |  95.173.205.15 | CDN77 CDN CDN77 is a content delivery network (CDN). |