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384.3 M

Domains known to webXtrend

9.5 M

New domains in the last 30 days

62.5 M

Social media profiles detected

certnode.io

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

779,597 other domains share an IP address with it.

The most recent crawl returned the page title “CertNode: Cryptographic Proof for Events That Get Challenged Later” and 114,229 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 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 0 Number of domains that redirect to this domain.
Reverse IP 779,597 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": "certnode.io"}'

Create a free account Read the API docs

Detected social media networks

No social networks found on this website.

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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 Let's Encrypt
Valid from 10/8/2026
Valid to 1/6/2027
Time until expiry 79 days

Last successful crawl

Title CertNode: Cryptographic Proof for Events That Get Challenged Later
Description One proof engine: sign a critical event and anyone can verify the record has not changed — without trusting your database. Proof for the events that get disputed: chargebacks (15% only when we win, $0 otherwise), digital delivery, AI outputs, and agent actions.
Content-Length 114,229 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
216.150.1.193 10/14/2026
216.150.1.65 10/14/2026
216.150.1.1 10/6/2026
216.150.16.65 10/6/2026
216.150.16.1 9/27/2026
Mail server Priority Last updated
aspmx.l.google.com 1 1/31/2026
alt1.aspmx.l.google.com 5 1/31/2026
alt2.aspmx.l.google.com 5 1/31/2026
alt3.aspmx.l.google.com 10 1/31/2026
alt4.aspmx.l.google.com 10 1/31/2026
Name server Last updated
ns1.vercel-dns.com 1/31/2026
ns2.vercel-dns.com 1/31/2026

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

216.150.1.1 624,578 domains · here since 10/12/2026
Domain On this IP since
zzzsg.com 10/17/2026
zzzpost.com 9/28/2026
zzzip.kr 10/8/2026
zzz.toys 9/23/2026
zzz.bingo 10/12/2026
zzz.art 10/8/2026
zzxgim.com 9/16/2026
zztbsw.info 10/4/2026
zzpzt.cn 9/14/2026
zzpwerkvinden.nl 9/15/2026
zzppy.nl 9/16/2026
zzphypotheekgids.nl 10/14/2026
and 624,565 more
216.150.16.1 155,019 domains · here since 10/12/2026
Domain On this IP since
zzzshift.fun 9/26/2026
zzzsg.com 10/17/2026
zzzpost.com 10/9/2026
zzz.legal 10/3/2026
zzyt87.com 10/15/2026
zzxwts.info 10/12/2026
zzxfqt.info 10/15/2026
zzpdld.info 10/16/2026
zzim.site 10/11/2026
zzgarage.com 10/17/2026
zzentertainment.site 9/21/2026
zzdistribution.net 9/19/2026
and 155,006 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.