knoword.com

knoword.com 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.

4,136 other domains share an IP address with it, and 4 domains redirect to it.

The most recent crawl returned the page title “Engaging Vocabulary Games & Custom Flashcards for Classrooms - Knoword” and 532,549 bytes of HTML. The site links to Instagram and YouTube profiles.

Domain properties

Property	Value	Explanation
Top-level domain	.com	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	4	Number of domains that redirect to this domain.
Reverse IP	4,136	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": "knoword.com"}'

Create a free account Read the API docs

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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	Google Trust Services
Valid from	10/5/2026
Valid to	1/3/2027
Time until expiry	77 days

Last successful crawl

Title	Engaging Vocabulary Games & Custom Flashcards for Classrooms - Knoword
Description	Make vocabulary learning fun with Knoword! Create custom flashcard games for any subject and help students build strong word knowledge.
Content-Length	532,549 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
104.21.79.207	12/26/2024
172.67.147.242	12/26/2024
35.212.162.221	8/26/2024
76.76.21.21	12/10/2023

IPv6 address	Last updated
2606:4700:3031:0:0:0:6815:4fcf	7/5/2026
2606:4700:3037:0:0:0:ac43:93f2	7/5/2026
2606:4700:3037:0:0:0:6815:4fcf	12/26/2024
2606:4700:3037:0:0:0:ac43:93f2	12/26/2024

Mail server	Priority	Last updated
route2.mx.cloudflare.net	19	12/26/2024
route1.mx.cloudflare.net	43	12/26/2024
route3.mx.cloudflare.net	65	12/26/2024
eforward1.registrar-servers.com	10	12/31/2023
eforward2.registrar-servers.com	10	12/31/2023

Name server	Last updated
brit.ns.cloudflare.com	12/26/2024
kobe.ns.cloudflare.com	12/26/2024
dns1.registrar-servers.com	12/10/2023
dns2.registrar-servers.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

Domain	Last seen
knoword.org	10/16/2026
playknoword.com	10/12/2026
knowword.com	10/7/2026
knoword.app	10/6/2026

Reverse IP neighbours

104.21.79.207 1,038 domains · here since 9/20/2026

Domain	On this IP since
zzrt.net	9/19/2026
zswe2.buzz	9/13/2026
zmysly.pl	9/23/2026
zhoutianli.cn	9/22/2026
zhongxinks.com	9/13/2026
zhaop58.com	9/12/2026
zgtaian.com	10/13/2026
zettabots.com.br	9/22/2026
zephyrixis.top	9/17/2026
zamxsf.asia	9/13/2026
zam0w1en1e24.buzz	9/21/2026
zakupzochrona.sbs	10/11/2026
and 1,025 more

172.67.147.242 1,038 domains · here since 9/20/2026

Domain	On this IP since
zzrt.net	9/19/2026
zswe2.buzz	9/13/2026
zmysly.pl	9/23/2026
zhoutianli.cn	9/22/2026
zhongxinks.com	9/13/2026
zhaop58.com	9/12/2026
zgtaian.com	10/13/2026
zettabots.com.br	9/22/2026
zephyrixis.top	9/17/2026
zamxsf.asia	9/13/2026
zam0w1en1e24.buzz	9/21/2026
zakupzochrona.sbs	10/11/2026
and 1,025 more

2606:4700:3031::6815:4fcf 1,030 domains · here since 9/20/2026

Domain	On this IP since
zzrt.net	9/19/2026
zswe2.buzz	9/13/2026
zmysly.pl	9/23/2026
zhoutianli.cn	9/22/2026
zhongxinks.com	9/13/2026
zhaop58.com	9/12/2026
zgtaian.com	10/13/2026
zettabots.com.br	9/22/2026
zephyrixis.top	9/17/2026
zamxsf.asia	9/13/2026
zam0w1en1e24.buzz	9/21/2026
zakupzochrona.sbs	10/11/2026
and 1,017 more

2606:4700:3037::ac43:93f2 1,030 domains · here since 9/20/2026

Domain	On this IP since
zzrt.net	9/19/2026
zswe2.buzz	9/13/2026
zmysly.pl	9/23/2026
zhoutianli.cn	9/22/2026
zhongxinks.com	9/13/2026
zhaop58.com	9/12/2026
zgtaian.com	10/13/2026
zettabots.com.br	9/22/2026
zephyrixis.top	9/17/2026
zamxsf.asia	9/13/2026
zam0w1en1e24.buzz	9/21/2026
zakupzochrona.sbs	10/11/2026
and 1,017 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.

Dive into our data, search now!