hardcidr.com


hardcidr.com Website Info

hardcidr.com (HardCIDR.com is a specialized online platform providing advanced tools for network professionals to perform subnet calculations, manage IP addresses, and plan network architectures efficiently. It aims to simplify complex CIDR and subnetting tasks for IT administrators, network engineers, and cybersecurity experts.) was registered first at 2011-08-12 00:38:09. DNS looks Active and website looks Accessable. According to Google, website speed score is 0/100 and . Website looks safe for children.
hardcidr.com


hardcidr.com Website Tags

Domain Status:
✓ Active
Is Site Accessable?:
✓ Yes
SSL(https):
✓ Yes
Title:
HardCIDR - Comprehensive Network Subnetting and CIDR Tools
Description:
HardCIDR.com offers powerful tools for subnetting, CIDR calculations, IP address management, and network planning to simplify your network design and administration.
Canonical URL:
[Not Set]

hardcidr.com Domain & Whois Details

Refresh
Domain Create Date:
2011-08-12 00:38:09
Domain Age:
13 years, 10 months, 20 days
Domain Expire Date:
2024-08-12T00:38:09Z
Domain Last Update Date:
2024-08-12T00:38:09Z
Domain Owner:
http://www.gandi.net - Gandi SAS -
Server Type:
cloudflare
Nameservers:
HUGH.NS.CLOUDFLARE.COM - ISLA.NS.CLOUDFLARE.COM -
Hosting Location:
Country:United States, City:New York, Isp:Cloudflare, Inc., Org:Cloudflare, Inc.
IP:
104.21.10.89 , 172.67.131.69



hardcidr.com Website Speed (Desktop) Check Now

Speed analysis has not been completed yet. Our system will be checking this website soon.


hardcidr.com Website Safety

Refresh
Last Check Date:
5/14/2023 3:53:21 AM
Mcafee Category:
Blogs/Wiki
OpenDNS:
BeFirst
Cloudflare DNS:
OK

hardcidr.com HTTP Headers

Refresh
alt-svc :
h3=":443"; ma=86400
CF-Cache-Status :
DYNAMIC
CF-RAY :
7e3dbf5f7ece434c-EWR
Connection :
keep-alive
Content-Type :
text/html
Date :
Sun, 09 Jul 2023 04:15:44 GMT
Last-Modified :
Sun, 29 Oct 2017 18:03:01 GMT
NEL :
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Report-To :
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=9VVvWVkzcp8X%2Fge8GaZoS7Jote7EStE
Server :
cloudflare
Transfer-Encoding :
chunked
x-amz-id-2 :
0SK0wnDeMt34jxeGYDn+zlEyaGreXgB13XWI0t6Ku719CSuZzNoyXulhzieWNHdp8jiq/7mW7Fw=
x-amz-request-id :
QPW2P0CWPNXW7K9V


hardcidr.com W3C HTML Validation Check Now

Last Check Date:
Errors:
Warnings:
Info:

hardcidr.com Similar Sites

Website
Title
Rank
eSecurity Planet: Latest Cybersecurity News for IT Professionals
96,197
aws partner-nys cloud vc-pe ceo: mit-princeton ai faculty-sme: new york state: 'join dr. yogi malhotra to get up to spee
18,319,572
FINRM.org - Financial Risk Management Resources and Insights
The Complete Machine - Your Ultimate Machinery Source
0
Web Hacking Incidents and Security Insights | WebHackingExposed.com
13,853,237

hardcidr.com Site Keywords

and Clemson Management Information Systems students
cloud security
cyber defense
cyber threats
cybersecurity
cybersecurity certifications
cybersecurity News
cybersecurity tips
Cybersecurity Tools
Data Protection
digital forensics
encryption
Ethical Hacking
Hard /CIDR is a site for network engineers
identity theft prevention
incident response
information security
IP Address Management
IP calculator
Malware Analysis
Network Design
Network Planning
network security
Online privacy
Penetration Testing
phishing prevention
SE
secure coding
secure development
Security Assessments
security audits
security best practices
Subnet Calculator
subnetting tools
threat intelligence
vulnerability management

hardcidr.com Site H Tags

Check Now


What is SitesDB?

SitesDB is one of the largest databases of websites and domain names on the internet, with over 40 million entries and growing. For more than 12 years, we've been manually verifying and updating website and domain details, combining human expertise with AI-powered systems to ensure the accuracy and relevance of our data.

At SitesDB, we provide in-depth technical and useful information about websites and domains, including:

  • Website meta tags
  • Domain & WHOIS data
  • General backlink and ranking statistics
  • Social media engagement stats
  • Root page speed insights
  • Website content and HTML resources
  • Website safety and security details, sourced from multiple trusted security providers
  • HTTP headers analysis
  • HTML validation reports
  • Lists of similar websites and competitors
  • Website keyword analysis, including top traffic-driving keywords
  • Heading structure (H tags) breakdown
  • Domain variations across different TLDs (Top-Level Domains)

In addition to this data, SitesDB offers a suite of website analysis tools — including Chrome CRUX, Google Lighthouse, and our own AI-enhanced algorithms — to help identify alternative websites, direct competitors, and similar sites, all continuously refined through both automated systems and human review.