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.

12 hosts · 299 ms

HostCertsFirst seenLast seenDNS
m3.renew.icicilombard.com 3 2025-07-23 2026-05-08 ok
res3.renew.icicilombard.com 4 2025-07-23 2026-05-08 ok
t3.renew.icicilombard.com 3 2025-07-23 2026-05-08 ok
m4.renew.icicilombard.com 3 2025-07-23 2026-05-08 ok
res4.renew.icicilombard.com 4 2025-07-23 2026-05-08 ok
t4.renew.icicilombard.com 3 2025-07-23 2026-05-08 ok
m5.renew.icicilombard.com 3 2025-07-23 2026-05-08 ok
res5.renew.icicilombard.com 4 2025-07-23 2026-05-08 ok
t5.renew.icicilombard.com 3 2025-07-23 2026-05-08 ok
m.renew.icicilombard.com 3 2025-06-30 2026-05-08 ok
res.renew.icicilombard.com 4 2025-06-30 2026-05-08 ok
t.renew.icicilombard.com 4 2025-06-30 2026-05-08 ok

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