Find every subdomain
of a domain.

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

76 hosts · 268 ms

HostCertsFirst seenLast seen
guardz.com 129 2026-04-18 2026-10-12
*.guardz.com 37 2026-04-18 2026-10-12
url1898.guardz.com 10 2026-05-10 2026-09-05
static.guardz.com 10 2026-05-05 2026-08-31
brand.guardz.com 11 2026-05-24 2026-09-20
pineapple.guardz.com 10 2026-06-07 2026-10-03
pkg.guardz.com 4 2026-10-13 2026-10-13
staging.guardz.com 6 2026-05-11 2026-09-06
mtg.guardz.com 2 2026-08-18 2026-08-18
auth.guardz.com 10 2026-04-30 2026-08-28
analytics-prod-api.guardz.com 18 2026-06-08 2026-10-04
strawberry-api.guardz.com 19 2026-06-08 2026-10-06
feedback.guardz.com 5 2026-05-16 2026-08-29
link.guardz.com 8 2026-05-11 2026-09-06
ok.guardz.com 5 2026-05-25 2026-10-04
helpdesk.guardz.com 5 2026-05-14 2026-09-11
api.global.guardz.com 14 2026-05-19 2026-09-14
rocket-slack.internal.guardz.com 8 2026-06-10 2026-10-06
onyx.internal.guardz.com 8 2026-05-24 2026-09-19
zoom.guardz.com 10 2026-05-10 2026-09-06
n8n.guardz.com 6 2026-07-09 2026-09-06
analytics-prod-cdn.guardz.com 14 2026-06-08 2026-10-04
strawberry-cdn.guardz.com 21 2026-06-08 2026-10-05
testdomain.guardz.com 11 2026-06-03 2026-09-30
watermelon.guardz.com 18 2026-06-08 2026-10-04
go.guardz.com 12 2026-04-23 2026-08-20
app.guardz.com 12 2026-05-11 2026-09-06
miasales.guardz.com 14 2026-06-05 2026-10-10
tools.guardz.com 4 2026-06-30 2026-08-28
sales-tools.guardz.com 2 2026-08-20 2026-08-20
dev-tools.guardz.com 6 2026-06-21 2026-08-19
lens.guardz.com 3 2026-10-06 2026-10-06
partners.guardz.com 1 2026-03-09 2026-03-09
hec.us.guardz.com 6 2026-07-07 2026-09-04
api.us.guardz.com 11 2026-05-18 2026-09-13
mcp.us.guardz.com 2 2026-08-31 2026-08-31
app.us.guardz.com 8 2026-05-10 2026-09-05
internal.app.us.guardz.com 6 2026-05-11 2026-09-06
log-ingestion.app.us.guardz.com 3 2026-06-23 2026-06-23
device-agent.app.us.guardz.com 5 2026-04-24 2026-10-04
guardz-agent.app.us.guardz.com 3 2026-06-28 2026-06-28
email-security.app.us.guardz.com 1 2026-01-11 2026-01-11
hooks.us.guardz.com 2 2026-10-04 2026-10-04
agent.us.guardz.com 7 2026-06-30 2026-09-06
ingest.us.guardz.com 5 2026-06-30 2026-09-06
status.guardz.com 5 2026-06-09 2026-10-06
meet.guardz.com 5 2026-04-23 2026-08-24
get.guardz.com 3 2026-07-13 2026-09-14
sec-report.guardz.com 6 2026-06-22 2026-08-20
support.guardz.com 16 2026-05-23 2026-09-18
scan-test.guardz.com 2 2026-08-25 2026-08-25
api.au.guardz.com 13 2026-05-18 2026-09-13
mcp.au.guardz.com 2 2026-08-31 2026-08-31
app.au.guardz.com 11 2026-05-28 2026-09-24
internal.app.au.guardz.com 13 2026-05-29 2026-09-24
log-ingestion.app.au.guardz.com 7 2026-06-23 2026-06-25
device-agent.app.au.guardz.com 9 2026-04-18 2026-10-03
guardz-agent.app.au.guardz.com 3 2026-06-28 2026-06-28
email-security.app.au.guardz.com 1 2026-01-11 2026-01-11
hooks.au.guardz.com 3 2026-10-04 2026-10-04
agent.au.guardz.com 7 2026-06-30 2026-09-06
ingest.au.guardz.com 7 2026-06-30 2026-09-06
api.eu.guardz.com 11 2026-05-18 2026-09-14
mcp.eu.guardz.com 2 2026-08-31 2026-08-31
app.eu.guardz.com 6 2026-05-11 2026-09-06
internal.app.eu.guardz.com 12 2026-05-12 2026-09-07
log-ingestion.app.eu.guardz.com 3 2026-06-23 2026-06-23
device-agent.app.eu.guardz.com 3 2026-05-19 2026-09-02
guardz-agent.app.eu.guardz.com 2 2026-06-28 2026-06-28
email-security.app.eu.guardz.com 1 2026-01-11 2026-01-11
hooks.eu.guardz.com 3 2026-10-04 2026-10-04
essentials.eu.guardz.com 12 2026-05-03 2026-08-30
agent.eu.guardz.com 5 2026-06-30 2026-09-06
ingest.eu.guardz.com 5 2026-06-30 2026-09-06
mtg-preview.guardz.com 2 2026-08-23 2026-08-23
www.guardz.com 9 2026-05-25 2026-09-20

Programmatic access: API GET /v1/hosts/guardz.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/guardz.com.