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.

23 hosts · 322 ms

HostCertsFirst seenLast seenDNS
borosil.com 17 2025-12-05 2026-09-23 ok
*.borosil.com 11 2025-12-05 2026-09-23 —
s4prd.borosil.com 4 2026-03-04 2026-03-10 ok
www.s4prd.borosil.com 4 2026-03-04 2026-03-10 nxdomain
vhbtdde1ci.sap.borosil.com 1 2026-03-02 2026-03-02 nodata
www.vhbtdde1ci.sap.borosil.com 1 2026-03-02 2026-03-02 nxdomain
vhbtdpe1ci.sap.borosil.com 1 2026-03-02 2026-03-02 nodata
www.vhbtdpe1ci.sap.borosil.com 1 2026-03-02 2026-03-02 nxdomain
vhbtdqe1ci.sap.borosil.com 1 2026-03-02 2026-03-02 nodata
www.vhbtdqe1ci.sap.borosil.com 1 2026-03-02 2026-03-02 nxdomain
vhbtdpe1cs.sap.borosil.com 1 2025-12-30 2025-12-30 nodata
www.vhbtdpe1cs.sap.borosil.com 1 2025-12-30 2025-12-30 nxdomain
cpcatalogues.borosil.com 5 2026-05-18 2026-09-13 ok
bsdms.borosil.com 2 2025-07-12 2026-07-02 ok
www.bsdms.borosil.com 2 2025-07-12 2026-07-02 nxdomain
moments.borosil.com 2 2026-04-29 2026-06-23 nxdomain
payment.borosil.com 1 2026-05-05 2026-05-05 ok
www.payment.borosil.com 1 2026-05-05 2026-05-05 nxdomain
s4dev.borosil.com 2 2026-03-02 2026-03-09 nodata
www.s4dev.borosil.com 2 2026-03-02 2026-03-09 nxdomain
www.borosil.com 6 2026-05-05 2026-09-03 ok
s4qty.borosil.com 2 2026-03-02 2026-03-09 nodata
www.s4qty.borosil.com 2 2026-03-02 2026-03-09 nxdomain

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