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Security Analysis Results

cidr4-tech.pages.dev

Comprehensive domain security and infrastructure analysis

Live Website Preview

website screenshot of https://cidr4-tech.pages.dev/

No Security Risks Detected

This domain appears to be safe and secure

100%
Score

Disclaimer: This assessment is based on automated analysis of publicly available information. Results are for informational purposes only. For critical applications, consult security professionals.

Scan Information

Last checked:July 18, 2025 07:52:35
Target URL:https://cidr4-tech.pages.dev/
Scan Complete

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Page Information

Target URL
https://cidr4-tech.pages.dev/
Page Title
CIDR Calculator for AWS, Azure, GCP
cidr4-tech.pages.dev faviconSite Favicon
Status
Active

Host Information

Domain
cidr4-tech.pages.dev
Server
cloudflare
Country
""
IP Address
::1
ASN Information
0
Unknown ASN

Technologies

HSTS logo
HSTS
Security
Google Analytics logo
Google Analytics
Analytics
Cloudflare logo
Cloudflare
CDN
HTTP/3 logo
HTTP/3
Miscellaneous

SSL Certificate

HTTPS Enabled
Secure
Certificate Issuer
N/A
Valid From
2025-07-17 07:52:41
Valid Until
2026-07-18 07:52:41
Subject Name
cidr4-tech.pages.dev

Performance Statistics

9
Total Requests
3
Domains
1
IP Addresses
248.61 KB
Transfer Size
Content Size879.8 KB

HTTP Headers

Access-Control-Allow-Origin
*
CF-RAY
961066a91d1732b8-SMF
Cache-Control
public, max-age=0, must-revalidate
Connection
keep-alive
Content-Encoding
br
Content-Type
text/html; charset=utf-8
Date
Fri, 18 Jul 2025 07:52:41 GMT
NEL
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Report-To
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=UXh45DfQL%2B7C7r54mRVpF7wz%2BGCYNqPOeih%2BiIdjqr3qJSVI5%2FX1u5%2BTzC6RWDEe6egsZIiqw5nfz9XWFiQEqY86xOVjOJ%2BCTkYVLGjEZm%2BmIwhN4RYYyRZd1XEL3Egkh%2Bsj%2BZOtHg%3D%3D"}],"group":"cf-nel","max_age":604800}
Server
cloudflare
Transfer-Encoding
chunked
Vary
Accept-Encoding
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin
server-timing
cfL4;desc="?proto=TCP&rtt=0&min_rtt=0&rtt_var=0&sent=0&recv=0&lost=0&retrans=0&sent_bytes=0&recv_bytes=0&delivery_rate=0&cwnd=0&unsent_bytes=0&cid=2fbbe409a38ccc2e&ts=197&x=0"
x-content-type-options
nosniff
16 headers detected

Technology Stack Analysis

HSTS

HSTS

Security

HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.

Google Analytics

Google Analytics

Analytics

Google Analytics is a free web analytics service that tracks and reports website traffic.

Cloudflare

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.

HTTP/3

HTTP/3

Miscellaneous

HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.

Website Cookies 2

_ga_P9KE80KL32

.cidr4-tech.pages.dev

Value
GS2.1.s1752825161$o1$g0$t1752825161$j60$l0$h0
Expires:8/22/2026

_ga

.cidr4-tech.pages.dev

Value
GA1.1.62034648.1752825162
Expires:8/22/2026

External Links 20

RFC 1918 - Private Address Space

datatracker.ietf.org

Analyze
Target URL
https://datatracker.ietf.org/doc/html/rfc1918#section-3

RFC 1519 - Classless Inter-Domain Routing (CIDR)

tools.ietf.org

Analyze
Target URL
https://tools.ietf.org/html/rfc1519

RFC 4632 - CIDR Address Assignment Plan

tools.ietf.org

Analyze
Target URL
https://tools.ietf.org/html/rfc4632

RFC 1878 - Variable Length Subnet Table

tools.ietf.org

Analyze
Target URL
https://tools.ietf.org/html/rfc1878

RFC 3021 - 31-Bit Prefixes for Point-to-Point

tools.ietf.org

Analyze
Target URL
https://tools.ietf.org/html/rfc3021

AWS VPC IP Addressing

docs.aws.amazon.com

Analyze
Target URL
https://docs.aws.amazon.com/vpc/latest/userguide/vpc-ip-addressing.html

AWS Subnet Planning Guide

docs.aws.amazon.com

Analyze
Target URL
https://docs.aws.amazon.com/vpc/latest/userguide/vpc-subnets-commands-example.html

Google Cloud VPC Design

cloud.google.com

Analyze
Target URL
https://cloud.google.com/vpc/docs/vpc

Azure VNet Planning

docs.microsoft.com

Analyze
Target URL
https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-vnet-plan-design

Kubernetes Networking

kubernetes.io

Analyze
Target URL
https://kubernetes.io/docs/concepts/services-networking/

cidr.xyz

cidr.xyz

Analyze
Target URL
https://cidr.xyz

Subnet Calculator

www.subnet-calculator.com

Analyze
Target URL
https://www.subnet-calculator.com/

Calculator.net IP Subnet

www.calculator.net

Analyze
Target URL
https://www.calculator.net/ip-subnet-calculator.html

Subnet Calculator.org

www.subnet-calculator.org

Analyze
Target URL
https://www.subnet-calculator.org/

NetworkCalc

networkcalc.com

Analyze
Target URL
https://networkcalc.com/

Cisco IP Addressing Guide

www.cisco.com

Analyze
Target URL
https://www.cisco.com/c/en/us/support/docs/ip/routing-information-protocol-rip/13788-3.html

IP Address Fundamentals

www.lifewire.com

Analyze
Target URL
https://www.lifewire.com/what-is-an-ip-address-2625920

Red Hat K8s Networking

www.redhat.com

Analyze
Target URL
https://www.redhat.com/en/topics/containers/kubernetes-networking

Network Warrior Book (Amazon)

www.amazon.com

Analyze
Target URL
https://www.amazon.com/Network-Warrior-Everything-Need-Know/dp/1449387861

IETF RFC Standards

www.ietf.org

Analyze
Target URL
https://www.ietf.org/standards/rfcs/

Requested Domains 3

cidr4-tech.pages.dev

Apex domain
No category information available

www.google-analytics.com

Unknown Type
No category information available

www.googletagmanager.com

Unknown Type
No category information available
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