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.

100 hosts (first page) · 358 ms

HostCertsFirst seenLast seenDNS
cohesity.com 9 2025-10-02 2026-08-14 ok
*.cohesity.com 4 2026-06-17 2026-08-14 —
cokeva-fa-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
shyft-fa-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
cokeva-rma-1.cohesity.com 1 2026-01-23 2026-01-23 ok
cokeva-poc-1.cohesity.com 1 2026-01-23 2026-01-23 ok
cokeva-tc-1.cohesity.com 1 2026-01-23 2026-01-23 ok
avnet-debug-1.cohesity.com 1 2026-01-23 2026-01-23 ok
adv-debug-1.cohesity.com 1 2026-01-23 2026-01-23 ok
flex-debug-1.cohesity.com 1 2026-01-23 2026-01-23 ok
cflex-debug-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
cokeva-qual-1.cohesity.com 1 2026-01-23 2026-01-23 ok
coats-trvl-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
avnet-etn-1.cohesity.com 1 2026-01-23 2026-01-23 ok
flex-etn-1.cohesity.com 1 2026-01-23 2026-01-23 ok
cflex-etn-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
mfg-hq-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
log-server-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
cokeva-vtas-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
shyft-vtas-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
flex-vtas-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
cflex-vtas-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
avnet-1.cohesity.com 1 2026-01-23 2026-01-23 ok
shyft-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
cflex-pilot-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
flex-1.cohesity.com 1 2026-01-23 2026-01-23 ok
cflex-1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
devte1.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
helios-sandbox2-internal1.cohesity.com 3 2026-05-26 2026-07-27 ok
ccs-patch-internal1.cohesity.com 1 2026-01-23 2026-01-23 ok
ccs-integration-internal1.cohesity.com 8 2026-01-20 2026-07-16 ok
ccs-pre-production-internal1.cohesity.com 2 2026-01-20 2026-01-20 ok
helios-production-internal1.cohesity.com 6 2025-07-16 2026-09-11 ok
uk.helios-production-internal1.cohesity.com 2 2026-08-14 2026-08-14 nxdomain
eu.helios-production-internal1.cohesity.com 2 2026-04-13 2026-04-22 ok
ccs-system-test-internal1.cohesity.com 6 2026-01-20 2026-07-27 ok
ccs-pre-production-eu-internal1.cohesity.com 1 2026-04-11 2026-04-11 nxdomain
catalyst1.cohesity.com 4 2026-04-17 2026-08-15 ok
support-connect-v1.cohesity.com 2 2026-01-23 2026-01-23 ok
support-connect-trust-v1.cohesity.com 2 2026-01-23 2026-01-23 ok
support-connect-sandbox-trust-v1.cohesity.com 3 2025-08-15 2025-10-15 ok
support-connect-sandbox-v1.cohesity.com 3 2025-08-15 2025-10-15 ok
www.support-connect-sandbox-v1.cohesity.com 1 2025-08-15 2025-08-15 nxdomain
cokeva-tc-2.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
adv-debug-2.cohesity.com 1 2026-01-23 2026-01-23 ok
coats-trvi-2.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
log-server-2.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
flex-vtas-2.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
cflex-vtas-2.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
avnet-2.cohesity.com 1 2026-01-23 2026-01-23 ok
flex-2.cohesity.com 1 2026-01-23 2026-01-23 ok
cflex-2.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
helios-sandbox2-data2.cohesity.com 2 2025-10-27 2025-10-27 ok
ccs-patch-data2.cohesity.com 1 2026-01-23 2026-01-23 ok
ccs-integration-data2.cohesity.com 8 2026-01-20 2026-07-16 ok
ccs-pre-production-data2.cohesity.com 2 2026-01-20 2026-01-20 ok
helios-data2.cohesity.com 1 2025-12-16 2025-12-16 ok
ccs-system-test-data2.cohesity.com 6 2026-01-20 2026-07-27 ok
ccs-pre-production-eu-data2.cohesity.com 1 2026-04-11 2026-04-11 nxdomain
devte2.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
ccs-integration-dc3p2.cohesity.com 7 2026-01-23 2026-07-16 nxdomain
helios-dc3p2.cohesity.com 5 2026-03-09 2026-09-11 ok
uk.helios-dc3p2.cohesity.com 2 2026-08-14 2026-08-14 nxdomain
eu.helios-dc3p2.cohesity.com 2 2026-04-13 2026-04-22 nxdomain
support2.cohesity.com 2 2025-10-30 2026-05-27 ok
helios-sandbox2.cohesity.com 3 2026-05-26 2026-07-27 ok
www.helios-sandbox2.cohesity.com 3 2026-05-26 2026-07-27 nxdomain
coats-trv-3.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
coda.cohesity.com 11 2026-06-10 2026-09-21 ok
salesedge-qa.cohesity.com 5 2026-06-05 2026-10-03 ok
helios-sandbox2-infra.cohesity.com 3 2026-05-26 2026-07-27 ok
ccs-patch-infra.cohesity.com 1 2026-01-23 2026-01-23 nxdomain
ccs-integration-infra.cohesity.com 8 2026-01-20 2026-07-16 ok
ccs-pre-production-infra.cohesity.com 2 2026-01-20 2026-01-20 nxdomain
helios-production-infra.cohesity.com 6 2025-07-16 2026-09-11 ok
uk.helios-production-infra.cohesity.com 2 2026-08-14 2026-08-14 nxdomain
eu.helios-production-infra.cohesity.com 2 2026-04-13 2026-04-22 ok
ccs-system-test-infra.cohesity.com 6 2026-01-20 2026-07-27 ok
ccs-pre-production-eu-infra.cohesity.com 1 2026-04-11 2026-04-11 ok
jira.cohesity.com 2 2026-04-04 2026-09-04 ok
helios-sandbox2-data.cohesity.com 4 2025-12-17 2026-07-27 ok
ccs-patch-data.cohesity.com 1 2026-01-23 2026-01-23 ok
ccs-integration-data.cohesity.com 8 2026-01-20 2026-07-16 ok
ccs-pre-production-data.cohesity.com 2 2026-01-20 2026-01-20 ok
helios-data.cohesity.com 1 2026-06-23 2026-06-23 ok
uk.helios-data.cohesity.com 2 2026-08-14 2026-08-14 nxdomain
eu.helios-data.cohesity.com 2 2026-04-13 2026-04-22 ok
www.helios-data.cohesity.com 1 2026-06-23 2026-06-23 nxdomain
ccs-system-test-data.cohesity.com 6 2026-01-20 2026-07-27 ok
ccs-pre-production-eu-data.cohesity.com 1 2026-04-11 2026-04-11 ok
helios-sandbox2-aqua.cohesity.com 2 2026-01-29 2026-01-29 ok
cova.cohesity.com 1 2026-02-19 2026-02-19 nxdomain
kb.cohesity.com 3 2026-06-22 2026-10-06 ok
*.kb.cohesity.com 3 2026-06-22 2026-10-06 —
circle-sb.cohesity.com 5 2026-05-24 2026-09-27 ok
staging-cic.cohesity.com 1 2026-06-30 2026-06-30 nxdomain
id.cohesity.com 10 2026-05-16 2026-09-12 ok
helios-sandbox2-bigid.cohesity.com 3 2026-05-26 2026-07-27 nxdomain
ccs-patch-bigid.cohesity.com 1 2026-01-23 2026-01-23 ok
helios-production-bigid.cohesity.com 6 2025-07-16 2026-09-11 nxdomain

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/cohesity.com.

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/cohesity.com.