prepdrill.app

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

prepdrill.app serves a website of its own over HTTPS and under www. It answers on IPv4 only, with a valid TLS certificate.

Its busiest IP address is shared with 2,003,063 other domains.

The most recent crawl returned the page title “PrepDrill - Pass Your Exam on the First Try” and 52,131 bytes of HTML.

Domain properties

Property	Value	Explanation
Top-level domain	.app	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	yes	The domain redirects to https.
Redirect to www.	yes	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	2,476,003	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": "prepdrill.app"}'

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	Let's Encrypt
Valid from	8/26/2026
Valid to	11/24/2026
Time until expiry	30 days

Last successful crawl

Title	PrepDrill - Pass Your Exam on the First Try
Description	Practice questions, mock exams, and study guides for professional certifications. Start free, upgrade when ready. No subscription required.
Content-Length	52,131 bytes

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

DNS history

IPv4 address	First seen
216.198.79.65	10/19/2026
64.29.17.65	10/19/2026
216.198.79.1	10/11/2026
64.29.17.65	10/11/2026
216.198.79.65	10/2/2026

Mail server	Priority	First seen
eforward1.registrar-servers.com	10	12/13/2025
eforward2.registrar-servers.com	10	12/13/2025
eforward3.registrar-servers.com	10	12/13/2025
eforward4.registrar-servers.com	15	12/13/2025
eforward5.registrar-servers.com	20	12/13/2025

Name server	First seen
ns1.vercel-dns.com	12/26/2025
ns2.vercel-dns.com	12/26/2025
dns1.registrar-servers.com	12/13/2025
dns2.registrar-servers.com	12/13/2025

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

216.198.79.1 2,003,064 domains · here since 10/12/2026

Domain	On this IP since
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz.uk	10/9/2026
zzzzzly.online	9/22/2026
zzzzrakesh.me	9/19/2026
zzzznayu.ru	9/19/2026
zzzzdevelopment.com	10/13/2026
zzzzas.app	10/12/2026
zzzz.yt	9/19/2026
zzzz.lt	9/15/2026
zzzvisuals.com	10/24/2026
zzztools.com	9/20/2026
zzzsunny.space	9/13/2026
zzzshift.fun	10/20/2026
and 2,003,051 more

64.29.17.1 472,939 domains · here since 9/19/2026

Domain	On this IP since
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz.uk	10/9/2026
zzzshift.fun	10/20/2026
zzzou.app	10/24/2026
zzznaakkee.xyz	9/24/2026
zzzdevelopment.com	10/13/2026
zzzcodex.com	10/19/2026
zzyy6559.xyz	9/19/2026
zzyraai.com	9/27/2026
zzx58.cn	10/17/2026
zztraders.pk	10/15/2026
zzstudio.xin	10/13/2026
zzsfstudy.top	9/30/2026
and 472,926 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!