duallmaster.com

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

duallmaster.com serves a website of its own over HTTPS and under www. It answers on IPv4 only, with a valid TLS certificate and MX records for mail.

One domain redirects to it.

The most recent crawl returned the page title “Duall Master — Building Operations & Security Platform” and 133,362 bytes of HTML.

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.	yes	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	1	Number of domains that redirect to this domain.
Reverse IP	1	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": "duallmaster.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	10/4/2026
Valid to	1/2/2027
Time until expiry	69 days

Last successful crawl

Title	Duall Master — Building Operations & Security Platform
Description	Unified building security for access, visitors, attendance, parking, VMS and intercom — with AI-assisted operations on one platform.
Content-Length	133,362 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
54.169.176.237	6/12/2026
162.159.137.9	12/16/2023

Mail server	Priority	First seen
SMTP.GOOGLE.com	1	7/15/2026

Name server	First seen
ns1.whoisdomain.kr	12/16/2023
ns2.whoisdomain.kr	12/16/2023
ns3.whoisdomain.kr	12/16/2023
ns4.whoisdomain.kr	12/16/2023

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
duallmaster.kr	10/20/2026

Reverse IP neighbours

54.169.176.237 1 domain · here since 9/14/2026

Domain	On this IP since
No other domains on this address.

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.

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