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383.0 M

Domains known to webXtrend

9.2 M

New domains in the last 30 days

63.1 M

Social media profiles detected

halmail.app

halmail.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.

4,322 other domains share an IP address with it.

The most recent crawl returned the page title “A safe mailbox for AI agents · halmail” and 14,761 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 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 4,322 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 Google Trust Services
Valid from 8/25/2026
Valid to 11/23/2026
Time until expiry 42 days

Last successful crawl

Title A safe mailbox for AI agents · halmail
Description halmail — a safe mailbox for AI agents. Disposable inboxes over MCP + JSON API; agents can only send to recipients you've verified.
Content-Length 14,761 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
104.21.80.113 6/28/2026
172.67.179.107 6/28/2026
IPv6 address Last updated
2606:4700:3032:0:0:0:ac43:b36b 6/28/2026
2606:4700:3034:0:0:0:6815:5071 6/28/2026
Mail server Priority Last updated
route1.mx.cloudflare.net 38 6/28/2026
route3.mx.cloudflare.net 46 6/28/2026
route2.mx.cloudflare.net 52 6/28/2026
Name server Last updated
casey.ns.cloudflare.com 6/28/2026
lisa.ns.cloudflare.com 6/28/2026

Most recent redirect domains

No domains found.

Reverse IP neighbours

104.21.80.113 1,086 domains · here since 9/17/2026
Domain On this IP since
zzytli.cn 10/5/2026
zwhispr.com 9/23/2026
zttreeservicepro.com 9/22/2026
zlive.io 9/16/2026
zirvebet378.com 9/20/2026
zhentaoqi.com 9/27/2026
zh-niujingji.sh.cn 9/22/2026
zetop-tech.com 9/30/2026
zenpeakthemes.com 9/13/2026
yzsb.org 9/22/2026
yvonroush.com 9/22/2026
yuann.ai 9/21/2026
and 1,073 more
172.67.179.107 1,086 domains · here since 9/17/2026
Domain On this IP since
zzytli.cn 10/5/2026
zwhispr.com 9/23/2026
zttreeservicepro.com 9/22/2026
zlive.io 9/16/2026
zirvebet378.com 9/20/2026
zhentaoqi.com 9/27/2026
zh-niujingji.sh.cn 9/22/2026
zetop-tech.com 9/30/2026
zenpeakthemes.com 9/13/2026
yzsb.org 9/22/2026
yvonroush.com 9/22/2026
yuann.ai 9/21/2026
and 1,073 more
2606:4700:3032::ac43:b36b 1,075 domains · here since 9/17/2026
Domain On this IP since
zzytli.cn 10/5/2026
zwhispr.com 9/23/2026
zttreeservicepro.com 9/22/2026
zlive.io 9/16/2026
zirvebet378.com 9/20/2026
zhentaoqi.com 9/27/2026
zh-niujingji.sh.cn 9/22/2026
zetop-tech.com 9/30/2026
zenpeakthemes.com 9/13/2026
yzsb.org 9/22/2026
yvonroush.com 9/22/2026
yuann.ai 9/21/2026
and 1,062 more
2606:4700:3034::6815:5071 1,075 domains · here since 9/17/2026
Domain On this IP since
zzytli.cn 10/5/2026
zwhispr.com 9/23/2026
zttreeservicepro.com 9/22/2026
zlive.io 9/16/2026
zirvebet378.com 9/20/2026
zhentaoqi.com 9/27/2026
zh-niujingji.sh.cn 9/22/2026
zetop-tech.com 9/30/2026
zenpeakthemes.com 9/13/2026
yzsb.org 9/22/2026
yvonroush.com 9/22/2026
yuann.ai 9/21/2026
and 1,062 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.