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385.2 M

Domains known to webXtrend

9.8 M

New domains in the last 30 days

62.8 M

Social media profiles detected

flexsync.app

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

flexsync.app serves a website of its own over HTTPS. It answers on IPv4 only, with a valid TLS certificate and MX records for mail.

One other domain shares an IP address with it.

The most recent crawl returned the page title “Shopify Inventory Sync with Google Sheets | FlexSync” and 188,830 bytes of HTML. The site links to Facebook, X and YouTube profiles.

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 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 1 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": "flexsync.app"}'

Create a free account Read the API docs

Detected social media networks

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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 9/21/2026
Valid to 12/20/2026
Time until expiry 58 days

Last successful crawl

Title Shopify Inventory Sync with Google Sheets | FlexSync
Description Sync Shopify inventory with Google Sheets, two ways, in real time. Bulk edit products, prevent overselling, and manage multi-location stock - all from one spreadsheet.
Content-Length 188,830 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
37.27.214.93 10/11/2025
77.37.59.73 3/11/2025
104.21.61.249 7/1/2024
172.67.217.63 7/1/2024
IPv6 address Last updated
2606:4700:3033:0:0:0:6815:3df9 7/1/2024
2606:4700:3033:0:0:0:ac43:d93f 7/1/2024
Mail server Priority Last updated
aspmx.l.google.com 1 7/1/2024
alt1.aspmx.l.google.com 5 7/1/2024
alt2.aspmx.l.google.com 5 7/1/2024
alt3.aspmx.l.google.com 10 7/1/2024
alt4.aspmx.l.google.com 10 7/1/2024
Name server Last updated
chuck.ns.cloudflare.com 7/1/2024
lana.ns.cloudflare.com 7/1/2024

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

37.27.214.93 1 domain · here since 9/14/2026
Domain On this IP since
No other domains on this address.

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.