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.

29 hosts · 374 ms

HostCertsFirst seenLast seenDNS
emfluence.com 15 2026-03-08 2026-08-11 ok
*.emfluence.com 3 2026-01-13 2026-07-24 —
origin2025.emfluence.com 2 2026-05-30 2026-05-30 ok
agency.alexa.emfluence.com 3 2026-04-20 2026-06-19 ok
origin-kb.emfluence.com 3 2026-07-24 2026-09-23 ok
knowledgebase.emfluence.com 2 2026-05-07 2026-05-07 ok
www.knowledgebase.emfluence.com 2 2026-05-07 2026-05-07 ok
monitoring.emfluence.com 2 2026-05-26 2026-05-26 ok
agency-api.emfluence.com 2 2026-05-07 2026-05-07 ok
origin.emfluence.com 4 2026-05-30 2026-05-30 ok
openvpn.emfluence.com 5 2026-05-07 2026-09-05 ok
server-manager.emfluence.com 2 2026-05-07 2026-05-07 ok
emailer.emfluence.com 1 2025-11-18 2025-11-18 ok
*.emailer.emfluence.com 1 2025-11-18 2025-11-18 —
help.emailer.emfluence.com 2 2025-08-05 2026-07-06 ok
smtp.emailer.emfluence.com 10 2026-05-06 2026-09-02 ok
chatbot.emailer.emfluence.com 4 2026-08-18 2026-08-18 ok
*.chatbot.emailer.emfluence.com 3 2026-07-15 2026-07-15 —
chatbot-test.emailer.emfluence.com 2 2026-07-23 2026-07-23 ok
preprod.magnaproindustrial.cmps.emfluence.com 5 2026-05-24 2026-09-21 ok
sales-app.cmps.emfluence.com 4 2026-06-07 2026-10-05 ok
qa.sales-app.cmps.emfluence.com 4 2026-06-07 2026-10-05 ok
backend.qa.sales-app.cmps.emfluence.com 4 2026-06-07 2026-10-05 ok
backend.sales-app.cmps.emfluence.com 4 2026-06-07 2026-10-05 ok
files.sales-app.cmps.emfluence.com 4 2026-06-07 2026-10-05 ok
dev.sales-app.cmps.emfluence.com 4 2026-06-07 2026-10-05 ok
backend.dev.sales-app.cmps.emfluence.com 4 2026-06-07 2026-10-05 ok
dev.emfluence.com 2 2026-05-30 2026-05-30 ok
www.emfluence.com 14 2026-04-12 2026-08-11 ok

Programmatic access, with DNS A records: API GET /v1/hosts/emfluence.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/emfluence.com.