DNS0 Zero Sinkholed
VerdictMalicious
Severitymedium
WEBSITE ANALYSIS REPORT
http://www.pdf4engineers.xyz/2025/04/advanced-arduino-projects-pdf-book.html
public
Report summary
Submitted and final observations · captured HTTP activity
- Submitted URL
- http://www.pdf4engineers.xyz/2025/04/advanced-arduino-projects-pdf-book.html
- Submitted IP / ASN
142.250.74.51 AS15169 · GOOGLE
- Final URL
- https://www.pdf4engineers.xyz/2025/04/advanced-arduino-projects-pdf-book.html
- Final IP / ASN
- 172.217.21.179 AS15169 · GOOGLE
Final page
- Page title
- (1) New Message!
- Final DOM MIME
- text/plain; charset=utf-8
- Final DOM size
- 0 B (0 bytes)
Detections
Activity
- HTTP requests
- 163
- Observed hosts
- 28
- Script records
- 203
Estimated HTTP data
- Sent
- ~128.1 KB
- Received
- ~11.28 MB
Page capture
Final browser state
www.pdf4engineers.xyz
Screenshot unavailableNo screenshot pixels areavailable for this report.
Detection signals
URLQuery findings, Threat Detection Systems, and IDS alerts
Threat Detection Systems
5Quad9 DNS Sinkholed
VerdictMalicious
Severitymedium
DNS4EU Sinkholed
VerdictMalicious
Severitymedium
Cloudflare DNS Sinkholed
VerdictMalicious
Severitymedium
Hagezi Threat Feed Sinkholed
VerdictMalicious
Severitymedium
Host infrastructure
Observed hosts are context, not independent maliciousness verdicts
| Host | Rank | Registered | First seen | Last seen | Sent | Received | IP | Fingerprints |
|---|---|---|---|---|---|---|---|---|
| checkupoceandip.com 8 alerts | N/A | N/A | N/A | N/A | 1.8 KB | 336.9 KB | 172.240.253.132 | 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. |
| yt3.ggpht.com | 1275 | 2008-01-16 | 2014-01-15 | 2025-11-02 | 523 B | 3.8 KB | 142.251.38.97 | |
| www.google.com | 22 | 1997-09-15 | 2015-05-10 | 2025-11-02 | 2.3 KB | 137.0 KB | 142.250.178.36 | |
| www.gstatic.com | 146047 | 2008-02-11 | 2012-05-29 | 2025-11-02 | 2.4 KB | 2.46 MB | 142.250.74.131 | |
| www.blogger.com | 9514 | 1999-06-22 | 2012-05-22 | 2025-11-02 | 10.6 KB | 850.4 KB | 142.250.74.105 | OpenGSE Web servers OpenGSE is a test suite used for testing servlet compliance. It is deployed by using WAR files that are deployed on the server engine. Java Programming languages Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. |
| cdnjs.cloudflare.com | 1222 | 2009-02-17 | 2012-05-23 | 2025-11-02 | 2.5 KB | 469.8 KB |  104.17.24.14 | 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. |
| fonts.gstatic.com | N/A | 2008-02-11 | 2014-04-02 | 2025-11-02 | 7.9 KB | 277.1 KB | 142.250.74.35 | |
| sentimentalrailing.com 2 alerts | N/A | 2025-10-15 | 2025-10-30 | 2025-10-30 | 487 B | 521 B | 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. |
| i.ytimg.com | 436 | 2007-12-11 | 2012-10-03 | 2025-11-02 | 455 B | 23.1 KB | 216.58.207.246 | |
| cdn.storageimagedisplay.com | 170153 | 2024-09-13 | 2024-09-13 | 2025-11-02 | 4.4 KB | 654.5 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. |
| payrollmerchant.com 54 alerts | N/A | 2025-10-17 | 2025-11-03 | 2025-11-03 | 44.2 KB | 71.9 KB | 172.240.108.76 | 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. |
| creative-sb1.com 16 alerts | 22211 | 2025-07-01 | 2025-08-08 | 2025-11-03 | 3.6 KB | 266.5 KB | 172.67.210.112 | 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. |
| jnn-pa.googleapis.com | 1579 | 2005-01-25 | 2021-11-16 | 2025-11-02 | 2.4 KB | 97.3 KB | 142.250.74.138 | |
| hootpreceding.com 2 alerts | 1844527 | 2025-03-14 | 2025-06-02 | 2025-10-15 | 454 B | 43.1 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. |
| skinnycrawlinglax.com 6 alerts | 38609 | 2024-09-01 | 2025-07-09 | 2025-11-03 | 968 B | 7.6 KB | 172.240.127.242 | 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. Envoy Reverse proxies Envoy is an open-source edge and service proxy, designed for cloud-native applications. HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. |
| 4.bp.blogspot.com | 6591 | 2000-07-31 | 2012-05-21 | 2025-11-03 | 542 B | 1.1 KB | 142.250.74.129 | |
| fonts.googleapis.com | 313 | 2005-01-25 | 2012-05-23 | 2025-11-02 | 430 B | 17.0 KB | 142.250.178.42 | HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. |
| www.youtube.com | 286 | 2005-02-15 | 2013-04-13 | 2025-11-02 | 5.7 KB | 3.77 MB | 142.250.74.46 | HSTS Security HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS. |
| weirdopt.com 2 alerts | 37519 | 2025-07-01 | 2025-07-08 | 2025-10-29 | 424 B | 377 B |  185.196.197.71 | 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. |
| professionaltrafficmonitor.com | 16376 | 2025-01-23 | 2025-01-25 | 2025-11-02 | 1.5 KB | 1.0 KB |  3.122.8.109 | |
| resources.blogblog.com | 177645 | 2000-09-15 | 2017-01-30 | 2025-11-03 | 446 B | 2.2 KB | 142.250.74.105 | |
| cdn.show-sb.com 1 alerts | 187612 | 2024-08-20 | 2024-08-31 | 2025-11-03 | 496 B | 2.9 KB | 104.21.95.140 | 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. 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. |
| play.google.com | 48 | 1997-09-15 | 2013-05-30 | 2025-11-02 | 1.1 KB | 1.1 KB | 142.250.178.110 | |
| blogger.googleusercontent.com | 4332 | 2008-11-17 | 2012-05-25 | 2025-11-02 | 19.9 KB | 981.1 KB | 142.251.38.97 | |
| preferencenail.com 6 alerts | 20606 | 2025-07-01 | 2025-07-08 | 2025-10-29 | 838 B | 167.9 KB | 185.196.197.71 | 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. |
| flushpersist.com 4 alerts | 23810 | 2025-07-01 | 2025-07-08 | 2025-10-29 | 1.5 KB | 1.0 KB | 172.240.127.242 | 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. |
| sourshaped.com 18 alerts | N/A | 2024-09-03 | 2025-10-06 | 2025-10-31 | 8.1 KB | 18.8 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. |
| www.pdf4engineers.xyz | N/A | 2025-03-02 | 2025-04-07 | 2025-04-07 | 2.4 KB | 737.9 KB | 172.217.21.179 | YouTube Video players YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos. cdnjs CDN cdnjs is a free distributed JS library delivery service. Blogger Blogs Blogger is a blog-publishing service that allows multi-user blogs with time-stamped entries. jQuery:3.5.1 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. Java Programming languages Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. 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. OpenGSE Web servers OpenGSE is a test suite used for testing servlet compliance. It is deployed by using WAR files that are deployed on the server engine. Python Programming languages Python is an interpreted and general-purpose programming language. |