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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

openheaders.com

openheaders.com serves a website of its own. It answers on both IPv4 and IPv6, with no TLS certificate and MX records for mail.

4,421 other domains share an IP address with it, and one domain redirects to it.

The most recent crawl returned the page title “OpenHeaders — your web devtoolkit inside a browser extension” and 273,653 bytes of HTML. The site links to LinkedIn.

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 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 no certificate Shows whether the domain has a valid SSL certificate.
Redirects 1 Number of domains that redirect to this domain.
Reverse IP 4,421 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": "openheaders.com"}'

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

No certificate data available for this domain.

Last successful crawl

Title OpenHeaders — your web devtoolkit inside a browser extension
Description HTTP rules, mocks, and a full API client — front-end and back-end in one install. Works offline, syncs across surfaces. No account, no cloud, no personal data.
Content-Length 273,653 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
104.21.39.236 8/19/2026
172.67.171.215 8/19/2026
13.248.169.48 5/11/2025
76.223.54.146 5/11/2025
15.197.148.33 3/18/2025
IPv6 address Last updated
2606:4700:3030:0:0:0:6815:27ec 8/19/2026
2606:4700:3037:0:0:0:ac43:abd7 8/19/2026
Mail server Priority Last updated
eu1-smtp.messagingengine.com 10 8/19/2026
eu2-smtp.messagingengine.com 20 8/19/2026
0 5/11/2025
openheaders.com 0 8/15/2024
Name server Last updated
sullivan.ns.cloudflare.com 8/19/2026
tegan.ns.cloudflare.com 8/19/2026
ns3.afternic.com 5/11/2025
ns4.afternic.com 5/11/2025
ns35.domaincontrol.com 3/18/2025

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
openheaders.io 10/16/2026

Reverse IP neighbours

104.21.39.236 1,106 domains · here since 9/17/2026
Domain On this IP since
zz66ss.com 9/17/2026
zyysptw.com 9/22/2026
zyxzanfyx.pro 10/4/2026
zoutilo.ca 9/18/2026
zorunielolo.pro 9/27/2026
zollfirm.com 9/14/2026
zo65eva.cn 9/20/2026
zinoxdenim.com.tr 9/16/2026
zigma789thai.com 10/16/2026
zfragmentow.pl 10/5/2026
zfoodquito.com 10/13/2026
zern.uz 10/18/2026
and 1,093 more
172.67.171.215 1,106 domains · here since 9/17/2026
Domain On this IP since
zz66ss.com 9/17/2026
zyysptw.com 9/22/2026
zyxzanfyx.pro 10/4/2026
zoutilo.ca 9/18/2026
zorunielolo.pro 9/27/2026
zollfirm.com 9/14/2026
zo65eva.cn 9/20/2026
zinoxdenim.com.tr 9/16/2026
zigma789thai.com 10/16/2026
zfragmentow.pl 10/5/2026
zfoodquito.com 10/13/2026
zern.uz 10/18/2026
and 1,093 more
2606:4700:3030::6815:27ec 1,105 domains · here since 9/17/2026
Domain On this IP since
zz66ss.com 9/17/2026
zyysptw.com 9/22/2026
zyxzanfyx.pro 10/4/2026
zoutilo.ca 9/18/2026
zorunielolo.pro 9/27/2026
zollfirm.com 9/14/2026
zo65eva.cn 9/20/2026
zinoxdenim.com.tr 9/16/2026
zigma789thai.com 10/16/2026
zfragmentow.pl 10/5/2026
zfoodquito.com 10/13/2026
zern.uz 10/18/2026
and 1,092 more
2606:4700:3037::ac43:abd7 1,104 domains · here since 9/17/2026
Domain On this IP since
zz66ss.com 9/17/2026
zyysptw.com 9/22/2026
zyxzanfyx.pro 10/4/2026
zoutilo.ca 9/18/2026
zorunielolo.pro 9/27/2026
zollfirm.com 9/14/2026
zo65eva.cn 9/20/2026
zinoxdenim.com.tr 9/16/2026
zigma789thai.com 10/16/2026
zfragmentow.pl 10/5/2026
zfoodquito.com 10/13/2026
zern.uz 10/18/2026
and 1,091 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.