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.

14 hosts · 232 ms

HostCertsFirst seenLast seenDNS
customercomm.icicibank.com 1 2025-07-31 2025-07-31 nodata
m4.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain
res4.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain
t4.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain
m5.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain
res5.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain
t5.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain
m6.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain
res6.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain
t6.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain
m.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain
res.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain
t.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain
www.customercomm.icicibank.com 1 2025-07-31 2025-07-31 nxdomain

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