DNS4EU Sinkholed
VerdictMalicious
Severitymedium
WEBSITE ANALYSIS REPORT
http://bookscloud.net/?book=1421549360
public
Report summary
Submitted and final observations · captured HTTP activity
- Submitted URL
- http://bookscloud.net/?book=1421549360
- Submitted IP / ASN
104.21.47.248 AS13335 · CLOUDFLARENET
- Final URL
- https://bookscloud.net/?book=1421549360
- Final IP / ASN
- 104.21.47.248 AS13335 · CLOUDFLARENET
Final page
- Page title
- Read Self-Reference ENGINE - Books Library
- Final DOM MIME
- text/html; charset=utf-8
- Final DOM size
- 63.1 KB (64630 bytes)
Detections
Activity
- HTTP requests
- 132
- Observed hosts
- 23
- Script records
- 78
Estimated HTTP data
- Sent
- ~117.2 KB
- Received
- ~4.70 MB
Page capture
Final browser state
Detection signals
URLQuery findings, Threat Detection Systems, and IDS alerts
Threat Detection Systems
6Cloudflare DNS Sinkholed
VerdictMalicious
Severitymedium
Quad9 DNS Sinkholed
VerdictMalicious
Severitymedium
Hagezi Threat Feed Sinkholed
VerdictMalicious
Severitymedium
DigiCert UltraDNS Sinkholed
VerdictMalicious
Severitymedium
DNS0 Zero Sinkholed
VerdictMalicious
Severitymedium
Host infrastructure
Observed hosts are context, not independent maliciousness verdicts
| Host | Rank | Registered | First seen | Last seen | Sent | Received | IP | Fingerprints |
|---|---|---|---|---|---|---|---|---|
| flushpersist.com 6 alerts | 23810 | 2025-07-01 | 2025-07-08 | 2025-11-05 | 1.5 KB | 1.0 KB |  172.240.108.84 | Nginx:1.21.6 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. HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. Envoy Reverse proxies Envoy is an open-source edge and service proxy, designed for cloud-native applications. |
| fonts.gstatic.com | N/A | 2008-02-11 | 2014-04-02 | 2025-11-09 | 3.2 KB | 173.7 KB | 142.250.74.3 | |
| www.highperformanceformat.com 27 alerts | 366864 | 2024-10-15 | 2024-10-23 | 2025-11-03 | 4.0 KB | 415.4 KB | 172.240.108.84 | Nginx:1.21.6 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. HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. Envoy Reverse proxies Envoy is an open-source edge and service proxy, designed for cloud-native applications. |
| skinnycrawlinglax.com 36 alerts | 38609 | 2024-09-01 | 2025-07-09 | 2025-11-03 | 16.9 KB | 40.9 KB | 172.240.108.68 | Nginx:1.21.6 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. HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. Envoy Reverse proxies Envoy is an open-source edge and service proxy, designed for cloud-native applications. |
| cdn.show-sb.com 1 alerts | 187612 | 2024-08-20 | 2024-08-31 | 2025-11-10 | 482 B | 2.0 KB | 172.67.170.115 | jQuery JavaScript libraries jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax. 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. |
| i.gr-assets.com | 201882 | 2012-11-02 | 2015-06-29 | 2025-11-05 | 494 B | 66.9 KB | 3.167.5.120 | Amazon CloudFront CDN Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds. Amazon Web Services PaaS Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality. |
| wayfarerorthodox.com 24 alerts | N/A | 2024-09-03 | 2025-08-08 | 2025-11-03 | 20.7 KB | 32.5 KB | 172.240.127.242 | Envoy Reverse proxies Envoy is an open-source edge and service proxy, designed for cloud-native applications. Nginx:1.21.6 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. HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. |
| cdnjs.cloudflare.com | 1222 | 2009-02-17 | 2012-05-23 | 2025-11-09 | 3.4 KB | 257.6 KB | 104.17.24.14 | 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. |
| pl26282455.profitableratecpm.com 6 alerts | N/A | 2025-04-07 | 2025-06-07 | 2025-11-04 | 462 B | 43.2 KB | 172.240.108.84 | HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. Envoy Reverse proxies Envoy is an open-source edge and service proxy, designed for cloud-native applications. Nginx:1.21.6 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. |
| books.google.com | 5076 | 1997-09-15 | 2012-05-22 | 2025-11-09 | 894 B | 710.3 KB | 142.250.178.46 | |
| fonts.googleapis.com | 313 | 2005-01-25 | 2012-05-23 | 2025-11-09 | 1.3 KB | 26.3 KB | 216.58.211.10 | HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. |
| creative-sb1.com 12 alerts | 22211 | 2025-07-01 | 2025-08-08 | 2025-11-10 | 2.7 KB | 180.4 KB | 104.21.35.3 | 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. |
| kettledroopingcontinuation.com 60 alerts | 196057 | 2024-09-01 | 2025-07-30 | 2025-11-10 | 25.1 KB | 69.7 KB | 172.240.127.244 | Nginx:1.21.6 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. HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. Envoy Reverse proxies Envoy is an open-source edge and service proxy, designed for cloud-native applications. |
| preferencenail.com 8 alerts | 20606 | 2025-07-01 | 2025-07-08 | 2025-11-05 | 824 B | 167.9 KB |  185.196.197.72 | Nginx:1.21.6 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. HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. |
| cdn.jsdelivr.net | 1678 | 2012-05-16 | 2012-09-30 | 2025-11-09 | 1000 B | 5.5 KB | 151.101.193.229 | HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. |
| cdn.storageimagedisplay.com | 170153 | 2024-09-13 | 2024-09-13 | 2025-11-09 | 6.0 KB | 704.0 KB | 45.133.44.1 | Nginx:1.21.6 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. |
| weirdopt.com 3 alerts | 37519 | 2025-07-01 | 2025-07-08 | 2025-11-05 | 417 B | 377 B | 185.196.197.72 | Nginx:1.21.6 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. HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. |
| overseaswhoop.com 14 alerts | N/A | 2025-10-23 | 2025-11-10 | 2025-11-10 | 8.7 KB | 214.9 KB | 172.240.127.234 | Nginx:1.21.6 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. HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. Envoy Reverse proxies Envoy is an open-source edge and service proxy, designed for cloud-native applications. |
| maxcdn.bootstrapcdn.com | 6807 | 2012-05-25 | 2014-06-18 | 2025-11-09 | 491 B | 142.4 KB | 104.18.11.207 | 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. HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. |
| m.media-amazon.com | 3022 | 2016-08-18 | 2017-01-30 | 2025-11-10 | 4.0 KB | 1.16 MB | 54.230.82.146 | Amazon CloudFront CDN Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds. Amazon Web Services PaaS Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality. |
| bookscloud.net | 5474367 | 2022-05-19 | 2018-11-25 | 2025-11-04 | 7.2 KB | 358.7 KB | 104.21.47.248 | 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. jsDelivr CDN JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration. Bootstrap:4.0.0 UI frameworks Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components. cdnjs CDN cdnjs is a free distributed JS library delivery service. jQuery:3.3.1 JavaScript libraries jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax. |
| professionaltrafficmonitor.com | 16376 | 2025-01-23 | 2025-01-25 | 2025-11-09 | 2.3 KB | 1.8 KB |  3.74.93.226 | |
| torchfriendlypay.com 9 alerts | 191479 | 2024-09-01 | 2025-07-30 | 2025-11-10 | 5.2 KB | 13.5 KB | 172.240.127.234 | Nginx:1.21.6 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. HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. Envoy Reverse proxies Envoy is an open-source edge and service proxy, designed for cloud-native applications. |