Domain report

dnschecking.org

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

dnschecking.org 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.

Its busiest IP address is shared with 842 other domains.

The most recent crawl returned the page title “Free SPF, DKIM & DMARC Checker for Nonprofits – Good Heart Tech” and 16,894 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .org 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 0 Number of domains that redirect to this domain.
Reverse IP 3,362 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": "dnschecking.org"}'

Create a free account Read the API docs

Detected social media networks

No social networks found on this website.

Similar websites

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 10/8/2026
Valid to 1/6/2027
Time until expiry 68 days

Last successful crawl

Title Free SPF, DKIM & DMARC Checker for Nonprofits – Good Heart Tech
Description Free SPF, DKIM, and DMARC checker for nonprofits. Audit public DNS for email deliverability and domain security — including MTA-STS and DNSSEC. Nothing is stored.
Content-Length 16,894 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

Reverse IP neighbours

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.