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382.7 M

Domains known to webXtrend

9.3 M

New domains in the last 30 days

63.8 M

Social media profiles detected

postmarkapp.com

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

1,643 other domains share an IP address with it, and 61 domains redirect to it.

The most recent crawl returned the page title “Postmark: Fast, Reliable Email Delivery Service | SMTP | API” and 91,891 bytes of HTML. The site links to X.

Domain properties

Property Value Explanation
Top-level domain .com 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 61 Number of domains that redirect to this domain.
Reverse IP 1,643 Number of domains with the same IP(s).

Detected social media networks

Similar websites

No similar websites found yet.

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 Google Trust Services
Valid from 8/23/2026
Valid to 11/21/2026
Time until expiry 43 days

Last successful crawl

Title Postmark: Fast, Reliable Email Delivery Service | SMTP | API
Description Send transactional and marketing emails and get them to the inbox on time, every time. Postmark is a fast and reliable email delivery service for developers.
Content-Length 91,891 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
94.247.142.1 1/13/2026
3.133.5.138 1/6/2026
3.138.230.212 1/6/2026
3.151.67.240 1/6/2026
3.131.31.204 12/30/2025
Mail server Priority Last updated
aspmx.l.google.com 10 12/31/2023
alt1.aspmx.l.google.com 20 12/31/2023
alt2.aspmx.l.google.com 20 12/31/2023
aspmx2.googlemail.com 30 12/31/2023
aspmx3.googlemail.com 30 12/31/2023
Name server Last updated
ns-1262.awsdns-29.org 12/10/2023
ns-1657.awsdns-15.co.uk 12/10/2023
ns-229.awsdns-28.com 12/10/2023
ns-721.awsdns-26.net 12/10/2023

Most recent redirect domains

Domain Last seen
postmarkapp.net 10/4/2026
postmark.com 9/29/2026
htmlstride.com 9/28/2026
postmark.icu 9/25/2026
lifesupportlabshealth.com 9/8/2026
evitepostmark.org 5/10/2026
evitepostmark.com 5/6/2026
evitepostmark.biz 5/4/2026
evitepostmark.info 5/3/2026
evitepostmark.net 5/3/2026
srehitech.com 2/24/2026
empowerhouseproject.org 2/22/2026
and 49 more

Reverse IP neighbours

94.247.142.1 1,643 domains · here since 9/19/2026
Domain On this IP since
zuivelnl.org 9/17/2026
zoi15.com 9/21/2026
zipworld.co.uk 9/23/2026
zenfi.com 9/13/2026
zehnder-radiators.co.uk 9/22/2026
zandoprojects.com 9/20/2026
zamanroberts.com 9/22/2026
zakroberts.com 9/12/2026
ytri.no 9/17/2026
ysp.org.uk 9/14/2026
ypiyachts.com 9/18/2026
yoursouthport.com 9/15/2026
and 1,630 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.