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.

66 hosts · 652 ms

HostCertsFirst seenLast seenDNS
trafficguard.ai 24 2026-04-24 2026-09-29 ok
*.trafficguard.ai 6 2025-10-17 2026-09-29 —
bet365.trafficguard.ai 4 2026-04-24 2026-08-15 ok
scraper-service-public.trafficguard.ai 3 2026-05-11 2026-08-27 ok
scraper-service.trafficguard.ai 3 2026-05-11 2026-08-27 ok
integration-tester-service.trafficguard.ai 3 2026-05-11 2026-08-27 ok
dash-maintenance.trafficguard.ai 3 2026-05-16 2026-09-02 ok
tg-agent-stage.trafficguard.ai 3 2026-05-21 2026-09-08 ok
dash-maintenance.stage.trafficguard.ai 3 2026-05-20 2026-09-04 ok
dash.stage.trafficguard.ai 6 2026-04-09 2026-09-21 ok
*.dash.stage.trafficguard.ai 4 2026-04-09 2026-09-18 —
gstage.trafficguard.ai 3 2026-05-11 2026-08-29 nodata
*.gstage.trafficguard.ai 3 2026-05-11 2026-08-29 —
www.click.gstage.trafficguard.ai 3 2026-05-03 2026-08-17 ok
pixel.gstage.trafficguard.ai 5 2026-04-18 2026-09-28 ok
scraper.gstage.trafficguard.ai 3 2026-05-02 2026-08-15 ok
integration-tester.gstage.trafficguard.ai 3 2026-05-02 2026-08-15 ok
webclient-integration-tester.gstage.trafficguard.ai 3 2026-05-02 2026-08-15 ok
tg-images.gstage.trafficguard.ai 3 2026-05-02 2026-08-15 ok
tg-logos.gstage.trafficguard.ai 3 2026-05-02 2026-08-15 ok
eu.gstage.trafficguard.ai 5 2026-05-30 2026-09-24 nodata
*.eu.gstage.trafficguard.ai 5 2026-05-30 2026-09-24 —
metadata.waf.g.trafficguard.ai 3 2026-05-28 2026-09-12 ok
mtg.trafficguard.ai 8 2026-04-24 2026-08-19 ok
lh.trafficguard.ai 5 2026-04-11 2026-09-19 ok
dash.trafficguard.ai 3 2026-05-24 2026-09-11 ok
auth.trafficguard.ai 10 2026-05-07 2026-09-03 ok
flightdeck.trafficguard.ai 3 2026-05-08 2026-08-23 ok
www.click.trafficguard.ai 4 2026-05-02 2026-08-23 ok
ok.trafficguard.ai 5 2026-05-09 2026-09-18 ok
pixel.trafficguard.ai 3 2026-05-26 2026-09-10 ok
privatebin.trafficguard.ai 3 2026-05-17 2026-09-01 ok
video.trafficguard.ai 2 2026-02-24 2026-07-12 ok
lp.trafficguard.ai 10 2026-04-22 2026-08-19 ok
help.trafficguard.ai 9 2026-05-30 2026-09-26 ok
appshop.trafficguard.ai 3 2026-05-11 2026-08-27 ok
stage.appshop.trafficguard.ai 3 2026-05-02 2026-08-15 ok
tgsdr.trafficguard.ai 4 2026-05-29 2026-09-15 ok
looker.trafficguard.ai 8 2026-06-01 2026-09-08 ok
developer.trafficguard.ai 5 2026-05-27 2026-09-25 ok
hr.trafficguard.ai 3 2026-05-11 2026-08-27 ok
ivt-calculator.trafficguard.ai 3 2026-05-11 2026-08-27 ok
tg-images.trafficguard.ai 3 2026-05-11 2026-08-27 ok
prototypes.trafficguard.ai 6 2026-04-09 2026-09-22 ok
videos.trafficguard.ai 3 2026-05-10 2026-08-26 ok
tg-logos.trafficguard.ai 3 2026-05-11 2026-08-27 ok
auth.apps.trafficguard.ai 4 2026-06-19 2026-10-02 ok
jsonformat.trafficguard.ai 3 2026-05-19 2026-09-06 ok
get.trafficguard.ai 19 2026-04-07 2026-10-01 ok
tg-agent.trafficguard.ai 5 2026-04-23 2026-10-03 ok
integration-tester-webclient.trafficguard.ai 3 2026-05-11 2026-08-27 ok
dash-maintenance2.test.trafficguard.ai 3 2026-05-10 2026-08-27 ok
dash2.test.trafficguard.ai 4 2026-04-21 2026-09-28 ok
*.dash2.test.trafficguard.ai 4 2026-04-21 2026-10-03 —
dash-maintenance3.test.trafficguard.ai 3 2026-05-10 2026-08-27 ok
dash3.test.trafficguard.ai 5 2026-04-21 2026-09-28 ok
*.dash3.test.trafficguard.ai 4 2026-04-21 2026-10-02 —
dash-maintenance4.test.trafficguard.ai 3 2026-05-10 2026-08-27 ok
dash4.test.trafficguard.ai 5 2026-04-21 2026-09-29 ok
*.dash4.test.trafficguard.ai 4 2026-04-21 2026-10-03 —
dash-maintenance.test.trafficguard.ai 3 2026-05-10 2026-08-27 ok
dash.test.trafficguard.ai 6 2026-04-21 2026-10-01 ok
*.dash.test.trafficguard.ai 5 2026-04-21 2026-10-01 —
tg-agent-dev.trafficguard.ai 3 2026-05-10 2026-08-26 ok
www.trafficguard.ai 16 2026-05-02 2026-08-29 ok
quiz.trafficguard.ai 3 2026-05-11 2026-08-27 ok

Programmatic access, with DNS A records: API GET /v1/hosts/trafficguard.ai (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/trafficguard.ai.