openmark.cc

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

openmark.cc serves a website of its own. It answers on both IPv4 and IPv6, with a valid TLS certificate.

3,306 other domains share an IP address with it.

The most recent crawl returned the page title “Openmark — Free Online Markdown Editor & Viewer” and 2,206 bytes of HTML.

Domain properties

Property	Value	Explanation
Top-level domain	.cc	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	no	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	3,306	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": "openmark.cc"}'

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	9/19/2026
Valid to	12/18/2026
Time until expiry	57 days

Last successful crawl

Title	Openmark — Free Online Markdown Editor & Viewer
Description	A free, open, privacy-first online Markdown editor and viewer. Write, preview, and share Markdown documents instantly — no account needed.
Content-Length	2,206 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
104.21.29.26	5/29/2026
172.67.148.78	5/29/2026
13.248.213.45	1/14/2025
76.223.67.189	1/14/2025
13.248.169.48	12/18/2024

IPv6 address	Last updated
2606:4700:3030:0:0:0:ac43:944e	6/23/2026
2606:4700:3037:0:0:0:6815:1d1a	6/23/2026
2606:4700:3032:0:0:0:ac43:944e	5/29/2026
2606:4700:3035:0:0:0:6815:1d1a	5/29/2026

Mail server	Priority	Last updated
	0	12/18/2024

Name server	Last updated
coleman.ns.cloudflare.com	5/29/2026
raphaela.ns.cloudflare.com	5/29/2026
ns57.domaincontrol.com	1/14/2025
ns58.domaincontrol.com	1/14/2025
ns3.afternic.com	12/18/2024

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

104.21.29.26 830 domains · here since 9/15/2026

Domain	On this IP since
zzphp.xyz	10/10/2026
zyzel.space	9/16/2026
ztee.com	9/14/2026
zozojobs.com	9/13/2026
zonatotologin.id	10/17/2026
zobbuomsvp.com	9/23/2026
zjiphk.digital	9/18/2026
zinsen.net	10/16/2026
zhokhov.com	10/11/2026
zgx-agregator.site	9/13/2026
zgs940.sbs	9/14/2026
zenlon.cn	10/19/2026
and 817 more

172.67.148.78 830 domains · here since 9/15/2026

Domain	On this IP since
zzphp.xyz	10/10/2026
zyzel.space	9/16/2026
ztee.com	9/14/2026
zozojobs.com	9/13/2026
zonatotologin.id	10/17/2026
zobbuomsvp.com	9/23/2026
zjiphk.digital	9/18/2026
zinsen.net	10/16/2026
zhokhov.com	10/11/2026
zgx-agregator.site	9/13/2026
zgs940.sbs	9/14/2026
zenlon.cn	10/19/2026
and 817 more

2606:4700:3030::ac43:944e 823 domains · here since 9/15/2026

Domain	On this IP since
zzphp.xyz	10/10/2026
zyzel.space	9/16/2026
ztee.com	9/14/2026
zozojobs.com	9/13/2026
zonatotologin.id	10/17/2026
zobbuomsvp.com	9/23/2026
zjiphk.digital	9/18/2026
zinsen.net	10/16/2026
zhokhov.com	10/11/2026
zgx-agregator.site	9/13/2026
zgs940.sbs	9/14/2026
zenlon.cn	10/19/2026
and 810 more

2606:4700:3037::6815:1d1a 823 domains · here since 9/15/2026

Domain	On this IP since
zzphp.xyz	10/10/2026
zyzel.space	9/16/2026
ztee.com	9/14/2026
zozojobs.com	9/13/2026
zonatotologin.id	10/17/2026
zobbuomsvp.com	9/23/2026
zjiphk.digital	9/18/2026
zinsen.net	10/16/2026
zhokhov.com	10/11/2026
zgx-agregator.site	9/13/2026
zgs940.sbs	9/14/2026
zenlon.cn	10/19/2026
and 810 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!