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.

70 hosts · 680 ms

HostCertsFirst seenLast seenDNS
powerhrg.com 13 2026-03-18 2026-09-18 ok
*.powerhrg.com 4 2026-03-18 2026-09-18 —
url1613.powerhrg.com 12 2026-05-04 2026-08-31 ok
grafana.powerhrg.com 9 2026-04-08 2026-09-02 nxdomain
nitroqa.powerhrg.com 6 2026-04-19 2026-09-24 ok
grafana-nitroqa.powerhrg.com 7 2026-05-24 2026-09-24 ok
influxdb-nitroqa.powerhrg.com 2 2026-05-24 2026-05-24 nxdomain
pubsub-nitroqa.powerhrg.com 6 2026-04-19 2026-09-24 ok
connect-pubsub-nitroqa.powerhrg.com 6 2026-04-19 2026-09-24 ok
nitro-id-stub-nitroqa.powerhrg.com 6 2026-04-19 2026-09-24 nxdomain
mail-nitroqa.powerhrg.com 6 2026-04-19 2026-09-24 ok
dovecotpro-poc.powerhrg.com 1 2026-09-03 2026-09-03 nxdomain
id.powerhrg.com 13 2026-05-14 2026-09-19 ok
cloud.powerhrg.com 4 2026-04-12 2026-08-10 ok
url4022.e.powerhrg.com 10 2026-05-21 2026-09-17 ok
oracle.powerhrg.com 4 2026-06-04 2026-10-02 nxdomain
staging-oracle.powerhrg.com 4 2026-06-04 2026-10-02 nxdomain
hire.powerhrg.com 5 2026-05-22 2026-08-18 ok
vote.powerhrg.com 5 2026-04-09 2026-08-25 ok
www.vote.powerhrg.com 5 2026-04-09 2026-08-25 ok
crowdsec-staging.powerhrg.com 10 2026-04-14 2026-09-10 nxdomain
mail-staging.powerhrg.com 5 2026-05-07 2026-09-04 ok
nitromail-staging.powerhrg.com 4 2026-04-08 2026-08-06 nxdomain
connect-server-staging.powerhrg.com 5 2026-05-29 2026-09-26 ok
connect-staging.powerhrg.com 5 2026-04-25 2026-08-23 ok
mailx-staging.powerhrg.com 4 2026-04-08 2026-08-06 ok
nitroqa.training.powerhrg.com 6 2026-04-19 2026-09-24 ok
nitro.training.powerhrg.com 7 2026-05-26 2026-08-09 ok
tech.powerhrg.com 5 2026-04-26 2026-08-24 ok
wiki.powerhrg.com 5 2026-04-26 2026-08-24 nxdomain
mailman-api.powerhrg.com 5 2026-05-25 2026-09-22 nxdomain
nitroapi.powerhrg.com 5 2026-05-26 2026-08-09 ok
mail.powerhrg.com 5 2026-04-29 2026-08-27 ok
nitromail.powerhrg.com 5 2026-04-29 2026-08-27 nxdomain
mailman.powerhrg.com 5 2026-05-25 2026-09-22 nxdomain
nitro-integration.powerhrg.com 5 2026-05-14 2026-09-11 ok
grafana-nitro-integration.powerhrg.com 5 2026-05-14 2026-09-11 ok
pubsub-nitro-integration.powerhrg.com 5 2026-05-14 2026-09-11 ok
connect-pubsub-nitro-integration.powerhrg.com 5 2026-05-14 2026-09-11 ok
linkshare-nitro-integration.powerhrg.com 5 2026-05-14 2026-09-11 ok
training-linkshare-nitro-integration.powerhrg.com 5 2026-05-14 2026-09-11 ok
training-nitro-integration.powerhrg.com 5 2026-05-14 2026-09-11 ok
mail-nitro-integration.powerhrg.com 5 2026-05-14 2026-09-11 ok
mysql-nitro-integration.powerhrg.com 5 2026-05-14 2026-09-11 ok
crowdsec-production.powerhrg.com 10 2026-05-14 2026-09-10 nxdomain
mail-production.powerhrg.com 5 2026-04-29 2026-08-27 ok
url3771.info.powerhrg.com 9 2026-05-21 2026-09-16 ok
otel-demo.powerhrg.com 2 2026-04-07 2026-04-09 nxdomain
nitro.powerhrg.com 7 2026-05-26 2026-08-09 ok
grafana-nitro.powerhrg.com 7 2026-05-26 2026-08-17 ok
influxdb-nitro.powerhrg.com 5 2026-05-26 2026-08-17 nxdomain
pubsub-nitro.powerhrg.com 5 2026-05-27 2026-08-09 nxdomain
connect-pubsub-nitro.powerhrg.com 5 2026-05-27 2026-08-09 nxdomain
nitro-id-stub-nitro.powerhrg.com 5 2026-05-27 2026-08-09 nxdomain
mail-nitro.powerhrg.com 5 2026-05-27 2026-08-09 nxdomain
otel-demo.wc-beta-hq.powerhrg.com 2 2026-04-09 2026-04-14 nxdomain
connect-server.powerhrg.com 5 2026-06-01 2026-09-29 ok
communicationpreferences.powerhrg.com 5 2026-05-26 2026-08-09 ok
nitrops.powerhrg.com 5 2026-05-26 2026-08-09 ok
netops.powerhrg.com 5 2026-05-15 2026-09-12 nxdomain
connectps.powerhrg.com 5 2026-05-26 2026-08-09 ok
jss.powerhrg.com 3 2025-07-21 2026-07-08 ok
status.powerhrg.com 5 2026-06-01 2026-09-28 ok
alexs.powerhrg.com 6 2026-07-31 2026-09-29 ok
connect.powerhrg.com 5 2026-04-25 2026-08-23 ok
www.powerhrg.com 19 2026-04-13 2026-09-11 ok
mailx.powerhrg.com 5 2026-05-12 2026-09-09 ok
otel-demo.wc-beta-px.powerhrg.com 4 2026-04-09 2026-04-14 nxdomain
runway.powerhrg.com 5 2026-04-25 2026-08-23 ok
signoz.powerhrg.com 5 2026-05-05 2026-09-02 nxdomain

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