Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

56 hosts · 325 ms

HostCertsFirst seenLast seenDNS
axigen.com 9 2026-04-13 2026-08-21 ok
ss1.axigen.com 39 2026-05-11 2026-08-05 ok
webmail.ss1.axigen.com 10 2026-05-28 2026-09-30 ok
autodiscover.ss1.axigen.com 1 2026-08-05 2026-08-05 ok
us2.axigen.com 4 2026-04-17 2026-08-15 ok
webmail6.axigen.com 5 2026-04-23 2026-08-21 nodata
node58.axigen.com 4 2026-04-17 2026-08-15 ok
node8.axigen.com 5 2026-04-24 2026-08-28 ok
tenora.axigen.com 4 2026-04-11 2026-08-09 ok
kc.axigen.com 5 2026-05-13 2026-09-11 ok
matrix-rtc.axigen.com 5 2026-06-02 2026-10-01 ok
download.axigen.com 5 2026-04-30 2026-08-28 ok
id.axigen.com 5 2026-05-26 2026-09-24 ok
backend.axigen.com 5 2026-04-23 2026-08-21 ok
01.secure.axigen.com 5 2026-04-30 2026-08-28 ok
02.secure.axigen.com 5 2026-04-30 2026-08-28 ok
out.secure.axigen.com 5 2026-04-30 2026-08-28 ok
mx.secure.axigen.com 5 2026-04-30 2026-08-28 ok
update.axigen.com 5 2026-05-03 2026-09-01 ok
autoconfig.axigen.com 5 2026-04-23 2026-08-21 ok
viking.axigen.com 4 2026-04-11 2026-08-09 ok
debug.axigen.com 4 2026-04-12 2026-08-10 nodata
webmail-debug.axigen.com 5 2026-04-23 2026-08-21 ok
wiki.axigen.com 4 2026-04-11 2026-08-09 ok
mini.axigen.com 7 2026-04-20 2026-08-18 ok
autoconfig.mini.axigen.com 9 2026-04-20 2026-08-20 ok
autodiscover.mini.axigen.com 9 2026-04-20 2026-09-10 ok
auth.jitsi.axigen.com 5 2026-05-26 2026-09-24 ok
webmail.axigen.com 5 2026-04-23 2026-08-21 ok
m.axigen.com 5 2026-04-23 2026-08-21 ok
helm.axigen.com 5 2026-05-13 2026-09-11 ok
myaxigen.axigen.com 3 2026-04-14 2026-07-09 ok
gp.axigen.com 3 2026-06-12 2026-09-08 ok
docker.axigen.com 5 2026-05-13 2026-09-11 ok
autodiscover.axigen.com 5 2026-04-23 2026-08-21 ok
registry-mirror.axigen.com 5 2026-05-18 2026-09-16 ok
mas.axigen.com 4 2026-04-10 2026-08-08 ok
docs.axigen.com 5 2026-05-06 2026-09-03 ok
locales.axigen.com 5 2026-05-09 2026-09-06 ok
files.axigen.com 5 2026-05-06 2026-09-03 ok
apps.axigen.com 1 2025-07-10 2025-07-10 nxdomain
redirect.axigen.com 5 2026-04-24 2026-08-28 ok
git.axigen.com 3 2026-06-12 2026-09-08 ok
vault.axigen.com 3 2026-06-09 2026-08-09 ok
sydent.axigen.com 4 2026-04-17 2026-08-15 ok
zot.axigen.com 3 2026-06-20 2026-08-19 ok
support.axigen.com 4 2026-04-11 2026-08-09 ok
myaxigen-dev.axigen.com 3 2026-04-14 2026-07-09 ok
apps-dev.axigen.com 2 2025-07-08 2026-06-08 nxdomain
www-dev.axigen.com 5 2026-04-22 2026-08-20 ok
xn--vntule-wta32w.axigen.com 3 2026-06-10 2026-08-13 ok
www.axigen.com 4 2026-04-13 2026-08-11 ok
matrix.axigen.com 4 2026-04-18 2026-08-16 ok
a.mx.axigen.com 4 2026-04-17 2026-08-15 ok
d.mx.axigen.com 4 2026-04-17 2026-08-15 ok
my.axigen.com 5 2026-05-06 2026-09-03 nxdomain

Programmatic access, with DNS A records: API GET /v1/hosts/axigen.com (API key for paging).

Shown here: hostnames with a certificate that is valid now or expired within the last 90 days. The full history since 2013 — hostnames whose last certificate expired earlier — is a Pro plan method: GET /v1/hosts-history/axigen.com.