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.

34 hosts · 426 ms

HostCertsFirst seenLast seenDNS
cuivre.com 13 2025-06-24 2026-09-23 ok
*.cuivre.com 18 2025-08-26 2026-09-02 —
crec-mail1.cuivre.com 18 2025-08-26 2026-09-02 nxdomain
LslExpESrv1.cuivre.com 2 2025-06-24 2026-05-04 —
TroExpESrv1.cuivre.com 1 2026-05-04 2026-05-04 —
crec-mail2.cuivre.com 4 2026-08-05 2026-09-02 nxdomain
gp2.cuivre.com 18 2025-08-26 2026-09-02 ok
owa.cuivre.com 18 2025-08-26 2026-09-02 ok
ami-web.cuivre.com 23 2025-08-26 2026-09-15 nxdomain
ami-ccweb.cuivre.com 23 2025-08-26 2026-09-15 nxdomain
amiweb.cuivre.com 23 2025-08-26 2026-09-15 nxdomain
nextcloud.cuivre.com 14 2025-08-26 2025-09-10 nxdomain
outage.cuivre.com 2 2025-06-12 2026-05-15 ok
www.outage.cuivre.com 2 2025-06-12 2026-05-15 nxdomain
exchange.cuivre.com 4 2026-08-05 2026-09-02 ok
upne.cuivre.com 5 2026-05-26 2026-09-15 nxdomain
billing.cuivre.com 3 2025-09-04 2026-09-08 ok
crec-prtg.cuivre.com 18 2025-08-26 2026-09-02 nxdomain
crec-troy-prtg.cuivre.com 18 2025-08-26 2026-09-02 nxdomain
helpdesk.cuivre.com 23 2025-08-26 2026-09-16 nxdomain
vpn-lsl.cuivre.com 14 2025-08-26 2025-09-10 nxdomain
vpn.cuivre.com 14 2025-08-26 2025-09-10 nxdomain
msaovpn.cuivre.com 13 2025-08-26 2025-09-10 nxdomain
map.cuivre.com 18 2025-08-26 2026-09-02 nxdomain
gp.cuivre.com 18 2025-08-26 2026-09-02 ok
autodiscover.cuivre.com 18 2025-08-26 2026-09-02 ok
pwsappsvr.cuivre.com 26 2025-08-26 2026-09-17 ok
pws.cuivre.com 23 2025-08-26 2026-09-15 nxdomain
it.cuivre.com 23 2025-08-26 2026-09-15 nxdomain
out.cuivre.com 4 2025-06-12 2026-05-15 ok
www.out.cuivre.com 3 2025-06-12 2026-05-15 nxdomain
ov.cuivre.com 14 2025-08-26 2025-09-10 nxdomain
www.cuivre.com 9 2026-04-16 2026-09-23 ok
vpn-troy.cuivre.com 14 2025-08-26 2025-09-10 nxdomain

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