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385.6 M

Domains known to webXtrend

9.9 M

New domains in the last 30 days

62.8 M

Social media profiles detected

markvault.app

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

markvault.app 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 1,022 other domains.

The most recent crawl returned the page title “MarkVault for X – Backup, Search & Export X/Twitter Bookmarks” and 24,772 bytes of HTML. The site links to X.

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 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 4,072 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": "markvault.app"}'

Create a free account Read the API docs

Detected social media networks

Similar websites

Website Similarity
Twillot — X bookmark manager with search, folders, and export
Sync your entire X (Twitter) bookmark history into one searchable workspace. AI-assisted folders, full-text search, offline archive, and export to Obsidian,...
86 %
Xhancer - Turn Your X Bookmarks into a Searchable Library
Turn your X bookmarks into a private, searchable, exportable library. Auto-archive, full-text search and export to JSON, Markdown, CSV, PDF, Obsidian and Not...
85 %
Twitter Mark — Your X saves, finally searchable
Twitter Mark is a local-first Chrome extension that syncs, searches, and exports your X bookmarks and likes.
84 %
Rebrief — Turn your X (Twitter) bookmarks into a weekly briefing
Rebrief turns your X (Twitter) bookmarks into a knowledge base that briefs you weekly — one takeaway per save, sorted by why you saved it, ready to query fro...
84 %
X Bookmark Vault — Local-first X bookmark backup
Back up, sync, and export your X bookmarks with a local-first browser vault. Your data stays on your device.
84 %
Bookmark Manager & Sync for X, LinkedIn & Chrome — Zihin
The bookmark manager that syncs your X, LinkedIn and Chrome bookmarks into one searchable library. Organize, search by meaning, and chat with your saves. Fre...
83 %
Favorites File — bookmark tools that run in your browser
Free tools for your bookmarks file: find dead links, remove duplicates, merge exports from different browsers, and convert bookmarks to CSV, Markdown or JSON...
82 %
xDigests
AI-powered organization for your X bookmarks. Categorize, search, and discover patterns in your saved tweets.
82 %
PostRoost — Your X bookmarks, organized
PostRoost organizes your X (Twitter) bookmarks into beautiful card, row, and table views with search, folders, notes, and tags. An independent tool, not affi...
82 %
reKept: Make your bookmarks useful
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xmark
xmark syncs your x bookmarks and lets you chat with an ai about what you've saved. summarize threads, find posts by topic, and surface forgotten context.
81 %
xbook — X Bookmarks Organizer & Newsletter Digest | xbook
Sync, search, tag, and organize your X bookmarks. Get a newsletter digest of your saved content. Open source.
81 %
bookmarker — every save, one library
Everything you save on Instagram, X, TikTok and YouTube, in one library you can actually search.
81 %
Recallbay — Everything you save, found again
Links, screenshots, notes and voice memos, scattered across a dozen apps. Recallbay keeps them in one calm place and finds any of them the moment you describ...
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XMarks - AI-Powered X Bookmark Manager | Organize Twitter Bookmarks
Stop letting your X bookmarks collect dust. AI organization + Tinder-style discovery for the tweets you saved but forgot about. Free trial, no credit card.
80 %
BookmarkOS | AI Search for Your X, Reddit & LinkedIn Bookmarks
Stop losing the best stuff you save. BookmarkOS turns your X, Reddit, and LinkedIn bookmarks into a searchable AI knowledge base you can chat with. Free to s...
80 %
booooookmarks · Save what you'll actually return to
Visual bookmarks with thumbnails, folders, and shared collections. Save the links you actually want to come back to — no algorithms, no ads.
80 %
Bulkmark — AI X/Twitter Bookmark Manager + Weekly Digest
Stop losing saved tweets. Bulkmark auto-tags your X bookmarks with AI, builds shareable lists, and delivers a weekly email digest. Free 7-day trial.
80 %
x-utils · see who does not follow you back on X (Twitter), free
Free tools for X (Twitter): see who does not follow you back, who unfollowed you, which of your posts actually work, export your bookmarks and spot fake foll...
79 %
Tubar — your bookmark bar, anywhere you log in
The browser-bar UI Chrome forgot, backed by a cloud that can't read your bookmarks. Zero-knowledge encryption by default.
79 %

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 8/20/2026
Valid to 11/18/2026
Time until expiry 24 days

Last successful crawl

Title MarkVault for X – Backup, Search & Export X/Twitter Bookmarks
Description Backup, search, organize and export your X (Twitter) bookmarks into your own private archive. 100% local. Buy once, keep forever.
Content-Length 24,772 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
104.21.2.44 8/23/2026
172.67.152.131 8/23/2026
IPv6 address First seen
2606:4700:3034:0:0:0:6815:22c 8/23/2026
2606:4700:3034:0:0:0:ac43:9883 8/23/2026
Mail server Priority First seen
route1.mx.cloudflare.net 13 8/23/2026
route3.mx.cloudflare.net 23 8/23/2026
route2.mx.cloudflare.net 99 8/23/2026
Name server First seen
ashton.ns.cloudflare.com 8/23/2026
leanna.ns.cloudflare.com 8/23/2026

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

104.21.2.44 1,023 domains · here since 9/19/2026
Domain On this IP since
zzjxfh.com 9/17/2026
zxrwcdpjoyqo.digital 9/21/2026
zulumedispa.com 9/16/2026
zoneinnovationminiere.com 9/18/2026
zilamind.click 9/18/2026
zhousisi.com 9/13/2026
zhongyuancy.cn 9/14/2026
zeustxjepeh.site 9/12/2026
zenetl.org 10/2/2026
zarth.com.au 9/23/2026
z5884.cn 10/23/2026
ywsxhy.com 10/12/2026
and 1,010 more
172.67.152.131 1,023 domains · here since 9/19/2026
Domain On this IP since
zzjxfh.com 9/17/2026
zxrwcdpjoyqo.digital 9/21/2026
zulumedispa.com 9/16/2026
zoneinnovationminiere.com 9/18/2026
zilamind.click 9/18/2026
zhousisi.com 9/13/2026
zhongyuancy.cn 9/14/2026
zeustxjepeh.site 9/12/2026
zenetl.org 10/2/2026
zarth.com.au 9/23/2026
z5884.cn 10/23/2026
ywsxhy.com 10/12/2026
and 1,010 more
2606:4700:3034::6815:22c 1,013 domains · here since 9/19/2026
Domain On this IP since
zzjxfh.com 9/17/2026
zxrwcdpjoyqo.digital 9/21/2026
zulumedispa.com 9/16/2026
zoneinnovationminiere.com 9/18/2026
zilamind.click 9/18/2026
zhousisi.com 9/13/2026
zhongyuancy.cn 9/14/2026
zeustxjepeh.site 9/12/2026
zarth.com.au 9/23/2026
zamulo.com 9/20/2026
z5884.cn 10/23/2026
ywsxhy.com 10/12/2026
and 1,000 more
2606:4700:3034::ac43:9883 1,013 domains · here since 9/19/2026
Domain On this IP since
zzjxfh.com 9/17/2026
zxrwcdpjoyqo.digital 9/21/2026
zulumedispa.com 9/16/2026
zoneinnovationminiere.com 9/18/2026
zilamind.click 9/18/2026
zhousisi.com 9/13/2026
zhongyuancy.cn 9/14/2026
zeustxjepeh.site 9/12/2026
zarth.com.au 9/23/2026
zamulo.com 9/20/2026
z5884.cn 10/23/2026
ywsxhy.com 10/12/2026
and 1,000 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.