johnc.codes

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

johnc.codes serves a website of its own over HTTPS. It answers on IPv6 only, with a valid TLS certificate and MX records for mail.

20,902,473 other domains share an IP address with it, and 4 domains redirect to it.

The site links to X.

Domain properties

Property	Value	Explanation
Top-level domain	.codes	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 IPv6	Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate	valid	Shows whether the domain has a valid SSL certificate.
Redirects	4	Number of domains that redirect to this domain.
Reverse IP	20,902,473	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": "johnc.codes"}'

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	9/12/2026
Valid to	12/11/2026
Time until expiry	51 days

Last successful crawl

Title	(not set)
Description	Write an awesome description for your new site here. You can edit this line in _config.yml. It will appear in your document head meta (for Google search results) and in your feed.xml site description.
Content-Length	15,332 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
104.21.3.209	5/20/2026
172.67.131.49	5/20/2026
188.114.96.0	5/13/2026
188.114.97.0	5/13/2026
104.21.3.209	4/8/2026

IPv6 address	Last updated
2606:4700:3033:0:0:0:6815:3d1	7/9/2026
2606:4700:3035:0:0:0:ac43:8331	7/9/2026
2606:4700:3033:0:0:0:ac43:8331	5/28/2026
2606:4700:3035:0:0:0:6815:3d1	5/28/2026
2a06:98c1:3120:0:0:0:0:0	5/13/2026

Mail server	Priority	Last updated
mx01.mail.icloud.com	10	10/13/2025
mx02.mail.icloud.com	10	10/13/2025
johnc-codes.mail.protection.outlook.com	0	9/1/2024

Name server	Last updated
mia.ns.cloudflare.com	10/13/2025
titan.ns.cloudflare.com	10/13/2025
ns69.domaincontrol.com	9/1/2024
ns70.domaincontrol.com	9/1/2024

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
johnccodes.org	7/31/2025
johnccodes.com	7/31/2025
johnccodes.net	7/28/2025
jc.codes	1/3/2025

Reverse IP neighbours

2a06:98c1:3120::3 10,451,238 domains · here since 9/30/2026

Domain	On this IP since
zzzzzzzzz.xyz	10/6/2026
zzzzzzzzz.org	10/19/2026
zzzzzzzzum.icu	10/13/2026
zzzzzzzoes.site	10/16/2026
zzzzzzys.com	9/19/2026
zzzzzyl1.cn	10/14/2026
zzzzzwwwppodjfdkodkloq.com	9/28/2026
zzzzzssss55.online	9/16/2026
zzzzzssss55.buzz	9/20/2026
zzzzzsss77.online	9/20/2026
zzzzzssj.com	9/14/2026
zzzzzn.com	9/20/2026
and 10,451,225 more

2a06:98c1:3121::3 10,451,235 domains · here since 9/30/2026

Domain	On this IP since
zzzzzzzzz.xyz	10/6/2026
zzzzzzzzz.org	10/19/2026
zzzzzzzzum.icu	10/13/2026
zzzzzzzoes.site	10/16/2026
zzzzzzys.com	9/19/2026
zzzzzyl1.cn	10/14/2026
zzzzzwwwppodjfdkodkloq.com	9/28/2026
zzzzzssss55.online	9/16/2026
zzzzzssss55.buzz	9/20/2026
zzzzzsss77.online	9/20/2026
zzzzzssj.com	9/14/2026
zzzzzn.com	9/20/2026
and 10,451,222 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!