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384.5 M

Domains known to webXtrend

9.4 M

New domains in the last 30 days

62.6 M

Social media profiles detected

hackblue.org

hackblue.org serves a website of its own over HTTPS. It answers on IPv4 only, with a valid TLS certificate.

14,978 other domains share an IP address with it.

The most recent crawl returned the page title “HackBlue” and 26,270 bytes of HTML. The site links to Instagram, X and LinkedIn profiles.

Domain properties

Property Value Explanation
Top-level domain .org Statistics for all domains we know under this TLD.
Has website yes A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record no The domain has an MX record.
External redirect no The domain redirects to another domain.
Redirect to https yes The domain redirects to https.
Redirect to www. no The domain redirects to www.domain.
Only with www. no The domain can only be reached with the subdomain "www".
Only DNS, no website no There are no A or AAAA records in DNS.
IP-Address only IPv4 Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate valid Shows whether the domain has a valid SSL certificate.
Redirects 0 Number of domains that redirect to this domain.
Reverse IP 14,978 Number of domains with the same IP(s).

This data through the API

The data on this page is also available as JSON: /lookup for the key facts, /reverseip, /redirect and /similar for the lists, and /dnshistory with Basic and Premium. A free account comes with an API key and 100 calls a day.

curl -X POST https://api.webxtrend.com/v1.0/lookup \
  -H 'Content-Type: application/json' \
  -d '{"token": "YOUR_TOKEN", "query": "hackblue.org"}'

Create a free account Read the API docs

Detected social media networks

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Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out. The full list of up to 100 comes through the API: similar websites.

Last SSL certificate

Issuer Let's Encrypt
Valid from 8/29/2026
Valid to 11/27/2026
Time until expiry 39 days

Last successful crawl

Title HackBlue
Description HackBlue - Your comprehensive guide to cybersecurity education. Learn ethical hacking, penetration testing, network security, web application security, and stay updated with the latest cybersecurity news. Free tutorials on Kali Linux, Burp Suite, Metasploit, and more.
Content-Length 26,270 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address Last updated
66.33.60.194 10/16/2026
66.33.60.66 10/16/2026
76.76.21.142 10/7/2026
76.76.21.164 10/7/2026
66.33.60.130 9/29/2026
IPv6 address Last updated
2606:4700:3030:0:0:0:ac43:cc4b 12/10/2023
2606:4700:3035:0:0:0:6815:3a87 12/10/2023
Mail server Priority Last updated
route3.mx.cloudflare.net 32 1/1/2024
route2.mx.cloudflare.net 64 1/1/2024
route1.mx.cloudflare.net 92 1/1/2024
Name server Last updated
ns1.vercel-dns.com 2/5/2024
ns2.vercel-dns.com 2/5/2024
alexandra.ns.cloudflare.com 12/10/2023
gabe.ns.cloudflare.com 12/10/2023

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

No domains found.

Reverse IP neighbours

76.76.21.164 7,684 domains · here since 10/8/2026
Domain On this IP since
zzworkshop.cn 10/9/2026
zynkey.works 10/9/2026
zxmeishu.fun 10/12/2026
zwaluwen.nl 10/7/2026
zuut.mg 9/14/2026
zutventures.com 9/18/2026
zundo.ai 10/12/2026
zumuu.space 10/18/2026
zubenko-and-sons.com 10/17/2026
zormies.com 9/13/2026
zonecheap.com 10/7/2026
zolviz.xyz 10/12/2026
and 7,671 more
66.33.60.34 7,294 domains · here since 10/8/2026
Domain On this IP since
zzealot.com 10/7/2026
zynkey.works 10/9/2026
zxmeishu.fun 10/12/2026
zwkqdiana.com 10/8/2026
zwaluwen.nl 10/7/2026
zundo.ai 10/12/2026
zumuu.space 10/18/2026
zubas.club 10/18/2026
zorocard.fyi 10/14/2026
zoohotel.am 10/7/2026
zonecheap.com 10/7/2026
zombiestwitter.com 10/18/2026
and 7,281 more

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses. The complete list of neighbours, also for an IP address, comes through the API: reverse IP lookup.