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383.2 M

Domains known to webXtrend

9.1 M

New domains in the last 30 days

62.3 M

Social media profiles detected

posthum.app

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

609,851 other domains share an IP address with it.

The most recent crawl returned the page title “Posthum — A private journal, encrypted on your device.” and 89,338 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 609,851 Number of domains with the same IP(s).

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.

Last SSL certificate

Issuer Let's Encrypt
Valid from 8/25/2026
Valid to 11/23/2026
Time until expiry 40 days

Last successful crawl

Title Posthum — A private journal, encrypted on your device.
Description Write it all down. Show it to no one, or anyone you choose. A fully private journal, encrypted on your device, where every entry is for you alone unless you choose otherwise. Seal some for later; share some, one day, with people you name.
Content-Length 89,338 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
216.150.1.1 9/1/2026
Name server Last updated
curitiba.ns.porkbun.com 9/1/2026
fortaleza.ns.porkbun.com 9/1/2026
maceio.ns.porkbun.com 9/1/2026
salvador.ns.porkbun.com 9/1/2026

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

216.150.1.1 609,851 domains · here since 9/23/2026
Domain On this IP since
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
zzwdhq.info 10/4/2026
zztbsw.info 10/4/2026
zzpzt.cn 9/14/2026
zzpwerkvinden.nl 9/15/2026
zzppy.nl 9/16/2026
zzpcalc.com 10/3/2026
and 609,838 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.