Dive into our data, search now!

We offer robust APIs and data services for domainers, data crawlers, security teams and many more.

385.4 M

Domains known to webXtrend

9.9 M

New domains in the last 30 days

62.7 M

Social media profiles detected

checknode.io

Get an email when its DNS, website or certificate changes.

checknode.io serves a website of its own over HTTPS. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

Its busiest IP address is shared with 998 other domains.

The most recent crawl returned the page title “Ping, DNS, HTTP & SSL Checks from 20+ Locations | CheckNode” and 140,185 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .io 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 yes 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 Both 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 3,993 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": "checknode.io"}'

Create a free account Read the API docs

Detected social media networks

No social networks found on this website.

Similar websites

Website Similarity
goodping.com
GoodPing — free website uptime monitoring & network tools
Check if a website is down, test ping and response time, and inspect DNS, SSL, headers and ports. Free live checks, no signup — plus free uptime monitoring w...
 91 %
perfping.com
Check Everything — Full Diagnostics for Any IP or Domain | Perfping
Run every relevant network, DNS, email, and security check for an IP or domain in one click: ping from global nodes across 5 continents, HTTP, DNS records, M...
 91 %
pcheck.info
PCheck.info - Network Diagnostics & Monitoring
Professional website availability checker. DNS, Ping, TCP, HTTP, SSL, BGP analysis. Global monitoring from 20+ locations.
 90 %
pingy.info
Pingy.info — Global network testing tools
Test any host from across the globe. Run Ping, TCP, HTTP, Redirect, DNS, Dig and IP Info checks from five worldwide probe locations and get clean, human-read...
 89 %
accesstest.net
AccessTest - Website diagnostics from around the world
Check website access, DNS records, and IP information with AccessTest. Free website checks run from the US and Singapore, with more regions available to memb...
 89 %
httptiger.com
Free Bulk HTTP Status Checker - Check 100 URLs + DNS Propagation | HTTP Tiger
100% FREE bulk HTTP status checker - scan 100 URLs instantly. ONLY tool with DNS propagation checking + redirect chain analysis. Fix 404, 500, 503 errors fas...
 89 %
websitehospital.dev
AccessTest - Website diagnostics from around the world
Check website access, DNS records, and IP information with AccessTest. Free website checks run from the US, Singapore, and Germany.
 89 %
flashmon.com
FlashMon | Web Perf & Uptime Monitoring
Monitor your website uptime, performance, and SSL health with FlashMon. The fastest monitoring tool for modern developers.
 88 %
fqfqfq.com
FQ Web Check - Free Online Website Security Scanner & Tech Stack Detector | fqfqfq.com
Audit any website in seconds. Check SSL certificate, DNS records, server hosting location, open ports, CMS & tech stack, security headers, and domain WHOIS f...
 88 %
check-it.me
check-it.me — Free Network Tools
Free network tools: IP geolocation, WHOIS lookup, SSL certificate check, browser fingerprint and more. Fast, free, no registration.
 88 %
pingero.online
Online Ping, Health Check, Port Monitor, SSL, DNS, Blacklist & WHOIS Tool | Pingero
Free online ping, website health check, port monitor, SSL certificate check, DNS lookup, email DNS check, blacklist check, reverse DNS/PTR lookup, HTTP statu...
 88 %
omnitoolbox.net
OmniToolbox — Free Tools for Developers & the Web
Fast, free online tools for developers and power users. No sign-up, no tracking, no clutter — everything runs privately in your browser.
 88 %
checkhostnow.com
CheckHostNow — Free Website Uptime, Global DNS & What Is My IP Lookup Tool
Check if any website is down, test HTTP status codes, server latency, and global DNS propagation. Discover your public IP address, geolocation, ISP, and hide...
 88 %
cloudhooker.com
Edge Network Toolbox
A static, client-only toolbox for latency checks, DNS over HTTPS queries, and basic network inspection.
 87 %
togethia.cloud
Togethia Tools | Email Deliverability & DNS Diagnostics
Free email, DNS, domain and network diagnostics for email headers, SPF, DKIM, DMARC, MX, TLS, DNSSEC, reputation, WHOIS, routing and ASN—plus private passwor...
 87 %
tinytools.tech
Network & Server Tools — DNS, HTTP, Port, SSL Online
Free online network & server diagnostics: DNS lookup, HTTP status & headers, port scan, TCP ping, SSL check, website speed, GZIP and IPv6 tests.
 87 %
togethia.tools
Togethia Tools | Email Deliverability & DNS Diagnostics
Free email, DNS, domain and network diagnostics for email headers, SPF, DKIM, DMARC, MX, TLS, DNSSEC, reputation, WHOIS, routing and ASN—plus private passwor...
 87 %
netopskit.com
Global Network Test & DevOps Tools | NetOpsKit
Test connectivity from global probe locations, then use practical network, DNS, IP, web, sysadmin, and developer tools.
 87 %
39203.com
IP Address Checker
IP Address Checker - Check your IP address through multiple detection sources
 86 %
hostseeq.com
Hostseeq: Seo Tools / Web Hosting / Web Services / Web Companies
All you need for your site from hosting to optimization in one place. Find best SEO tools, popular web services, different web companies and web hosting revi...
 86 %

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 10/24/2026
Valid to 1/22/2027
Time until expiry 89 days

Last successful crawl

Title Ping, DNS, HTTP & SSL Checks from 20+ Locations | CheckNode
Description Comprehensive website diagnostic tools including Ping, HTTP, DNS, SSL, and MTR checks. Multimodal analysis from 20+ locations.
Content-Length 140,185 bytes

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

DNS history

IPv4 address First seen
104.21.66.63 5/13/2026
172.67.201.135 5/13/2026
188.114.96.0 5/6/2026
188.114.97.0 5/6/2026
104.21.66.63 4/16/2026
IPv6 address First seen
2606:4700:3030:0:0:0:6815:423f 6/23/2026
2606:4700:3031:0:0:0:ac43:c987 6/23/2026
2606:4700:3031:0:0:0:ac43:c987 5/13/2026
2606:4700:3035:0:0:0:6815:423f 5/13/2026
2a06:98c1:3120:0:0:0:0:0 5/6/2026
Mail server Priority First seen
route2.mx.cloudflare.net 57 3/11/2026
route1.mx.cloudflare.net 73 3/11/2026
route3.mx.cloudflare.net 98 3/11/2026
Name server First seen
jacob.ns.cloudflare.com 3/4/2026
rihana.ns.cloudflare.com 3/4/2026

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

104.21.66.63 999 domains · here since 10/24/2026
Domain On this IP since
ztzfm.buzz 9/20/2026
zorgen.tv 10/20/2026
zombeeco.com 10/21/2026
zirbel.net 10/1/2026
zigback.com 9/14/2026
zidr.cn 10/16/2026
zhenzhijing.com 10/17/2026
zelt-raum.com 9/22/2026
zantecoopunion.com 9/15/2026
zaleod.com 10/24/2026
z-tas.com 9/13/2026
yz0rc2.cn 9/16/2026
and 986 more
172.67.201.135 999 domains · here since 10/24/2026
Domain On this IP since
ztzfm.buzz 9/20/2026
zorgen.tv 10/20/2026
zombeeco.com 10/21/2026
zirbel.net 10/1/2026
zigback.com 9/14/2026
zidr.cn 10/16/2026
zhenzhijing.com 10/17/2026
zelt-raum.com 9/22/2026
zantecoopunion.com 9/15/2026
zaleod.com 10/24/2026
z-tas.com 9/13/2026
yz0rc2.cn 9/16/2026
and 986 more
2606:4700:3031::ac43:c987 998 domains · here since 10/24/2026
Domain On this IP since
ztzfm.buzz 9/20/2026
zorgen.tv 10/20/2026
zombeeco.com 10/21/2026
zolenata.info 9/13/2026
zirbel.net 10/1/2026
zigback.com 9/14/2026
zidr.cn 10/16/2026
zhenzhijing.com 10/17/2026
zelt-raum.com 9/22/2026
zantecoopunion.com 9/15/2026
zaleod.com 10/24/2026
z-tas.com 9/13/2026
and 985 more
2606:4700:3030::6815:423f 997 domains · here since 10/24/2026
Domain On this IP since
ztzfm.buzz 9/20/2026
zorgen.tv 10/20/2026
zombeeco.com 10/21/2026
zolenata.info 9/13/2026
zirbel.net 10/1/2026
zigback.com 9/14/2026
zidr.cn 10/16/2026
zhenzhijing.com 10/17/2026
zelt-raum.com 9/22/2026
zantecoopunion.com 9/15/2026
zaleod.com 10/24/2026
z-tas.com 9/13/2026
and 984 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.