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.

18 hosts · 244 ms

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HostCertsFirst seenLast seen
airvistara.com 1 2026-05-26 2026-05-26
*.airvistara.com 1 2026-05-26 2026-05-26
bridge.airvistara.com 5 2026-05-11 2026-09-28
magazine.airvistara.com 5 2026-05-11 2026-09-28
webservicestaging.airvistara.com 1 2025-11-15 2025-11-15
elearning.airvistara.com 3 2025-10-27 2026-09-27
www.alumniportal.airvistara.com 1 2025-10-13 2025-10-13
webservicestandin.airvistara.com 1 2025-10-17 2025-10-17
elearningadmin.airvistara.com 3 2025-10-27 2026-09-27
airvtrawssmtp.airvistara.com 2 2026-02-19 2026-07-22
dataservices.airvistara.com 1 2025-11-28 2025-11-28
careers.airvistara.com 5 2026-05-11 2026-09-28
lsluat.airvistara.com 1 2025-11-23 2025-11-23
smartcontract.airvistara.com 1 2026-01-23 2026-01-23
www.smartcontract.airvistara.com 1 2026-01-23 2026-01-23
webservicedev.airvistara.com 1 2025-11-15 2025-11-15
www.airvistara.com 5 2026-05-11 2026-09-28
xyz.airvistara.com 1 2025-10-27 2025-10-27

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