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.

32 hosts · 351 ms

HostCertsFirst seenLast seenDNS
hedera.com 31 2026-04-16 2026-09-20 ok
*.hedera.com 14 2026-04-23 2026-09-20 —
brand.hedera.com 11 2025-12-10 2026-08-12 ok
mirrornode.hedera.com 3 2025-08-03 2026-08-04 nodata
*.mirrornode.hedera.com 3 2025-08-03 2026-08-04 —
shadow-perf1.mirrornode.hedera.com 4 2026-04-28 2026-10-04 ok
mainnet-public.mirrornode.hedera.com 3 2026-05-28 2026-09-09 ok
mainnet.mirrornode.hedera.com 3 2026-05-28 2026-09-09 ok
shadow-mainnet.mirrornode.hedera.com 4 2026-04-28 2026-10-04 ok
testnet.mirrornode.hedera.com 3 2026-05-23 2026-09-11 ok
shadow-testnet.mirrornode.hedera.com 4 2026-04-28 2026-10-04 ok
previewnet.mirrornode.hedera.com 3 2026-05-25 2026-09-07 ok
shadow-previewnet.mirrornode.hedera.com 4 2026-04-28 2026-10-04 ok
golang.hedera.com 3 2026-05-18 2026-09-04 ok
staging.hedera.com 14 2026-05-28 2026-09-24 ok
portal.hedera.com 5 2026-05-28 2026-09-25 ok
*.portal.hedera.com 8 2026-05-06 2026-09-01 —
dev.portal.hedera.com 5 2026-05-21 2026-09-18 ok
transactiontool.hedera.com 10 2026-05-03 2026-08-29 ok
guardian.hedera.com 6 2026-05-02 2026-08-29 ok
dev.guardian.hedera.com 10 2026-05-03 2026-08-29 ok
hederacon.hedera.com 6 2026-04-28 2026-08-31 ok
docs.stablecoin-studio.hedera.com 5 2026-06-02 2026-09-30 ok
docs.tokenization-studio.hedera.com 5 2026-05-26 2026-09-23 ok
shop.hedera.com 4 2026-05-16 2026-05-28 ok
docs.hedera.com 5 2026-04-30 2026-09-01 ok
ai-bounties.hedera.com 8 2026-05-08 2026-09-01 ok
members.hedera.com 4 2026-04-20 2026-08-20 ok
status.hedera.com 7 2026-05-07 2026-09-12 ok
www.hedera.com 10 2026-04-16 2026-08-12 ok
devday.hedera.com 7 2026-05-31 2026-08-31 ok
sustainability.hedera.com 5 2026-05-08 2026-09-03 ok

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