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.

59 hosts · 345 ms

HostCertsFirst seenLast seenDNS
asoview.com 9 2025-06-20 2026-07-14 ok
*.asoview.com 45 2025-06-20 2026-09-02 —
playground-urakata3.asoview.com 3 2025-09-10 2026-08-11 nodata
*.playground-urakata3.asoview.com 3 2025-09-10 2026-08-11 —
satsuki-uaa.asoview.com 3 2025-09-06 2026-08-06 ok
playground-satsuki-uaa.asoview.com 3 2026-04-11 2026-09-11 nodata
*.playground-satsuki-uaa.asoview.com 3 2026-04-11 2026-09-11 —
*.satsuki-uaa.asoview.com 3 2025-09-06 2026-08-06 —
c.asoview.com 5 2026-05-08 2026-09-03 ok
brand.asoview.com 2 2025-06-29 2026-05-30 ok
playground.asoview.com 2 2026-04-11 2026-09-11 nodata
*.playground.asoview.com 9 2026-04-11 2026-09-11 —
store.asoview.com 13 2026-05-18 2026-09-29 ok
agent-api.asoview.com 2 2026-04-11 2026-09-11 ok
playground-agent-api.asoview.com 2 2026-04-11 2026-09-11 nodata
*.playground-agent-api.asoview.com 4 2025-06-27 2026-09-11 —
sandbox-agent-api.asoview.com 2 2026-04-19 2026-09-19 ok
*.sandbox-agent-api.asoview.com 2 2026-04-19 2026-09-19 —
*.agent-api.asoview.com 2 2026-04-11 2026-09-11 —
mall.asoview.com 3 2026-08-03 2026-10-01 ok
campaign.asoview.com 8 2026-07-22 2026-09-19 ok
promotion.asoview.com 3 2026-05-19 2026-09-03 ok
furusato.asoview.com 17 2026-04-19 2026-10-01 ok
playground-chatgpt-app.asoview.com 1 2026-09-28 2026-09-28 nodata
*.playground-chatgpt-app.asoview.com 2 2026-09-28 2026-09-28 —
sems-staging-manager.asoview.com 2 2025-08-11 2026-07-10 ok
internal-manager.asoview.com 4 2025-08-12 2026-09-08 ok
playground-internal-manager.asoview.com 4 2025-07-11 2026-08-04 nodata
*.playground-internal-manager.asoview.com 4 2025-07-11 2026-08-04 —
*.internal-manager.asoview.com 4 2025-08-12 2026-09-08 —
satsuki-product-manager.asoview.com 5 2025-10-14 2026-09-29 ok
playground-satsuki-product-manager.asoview.com 3 2025-10-30 2026-09-29 nodata
*.playground-satsuki-product-manager.asoview.com 3 2025-10-30 2026-09-29 —
*.satsuki-product-manager.asoview.com 5 2025-10-14 2026-09-29 —
furusato-tax-manager.asoview.com 4 2025-09-01 2026-08-03 ok
playground-furusato-tax-manager.asoview.com 4 2025-08-22 2026-07-24 nodata
*.playground-furusato-tax-manager.asoview.com 4 2025-08-22 2026-07-24 —
*.furusato-tax-manager.asoview.com 4 2025-09-01 2026-08-03 —
agent-docs.asoview.com 3 2026-04-16 2026-09-16 ok
playground-agent-docs.asoview.com 2 2026-04-11 2026-09-11 nodata
*.playground-agent-docs.asoview.com 2 2026-04-11 2026-09-11 —
*.agent-docs.asoview.com 3 2026-04-16 2026-09-16 —
apis.asoview.com 2 2025-08-27 2026-07-27 ok
playground-apis.asoview.com 2 2025-08-18 2026-07-18 nodata
*.playground-apis.asoview.com 4 2025-06-27 2026-07-18 —
sandbox-apis.asoview.com 2 2026-04-25 2026-09-25 ok
*.sandbox-apis.asoview.com 2 2026-04-25 2026-09-25 —
*.apis.asoview.com 2 2025-08-27 2026-07-27 —
partner-cms.asoview.com 2 2025-08-12 2026-07-11 ok
*.partner-cms.asoview.com 2 2025-08-12 2026-07-11 —
shops.asoview.com 2 2026-07-31 2026-07-31 nxdomain
agent.asoview.com 2 2026-04-16 2026-09-16 ok
playground-agent.asoview.com 3 2026-01-10 2026-09-11 nodata
*.playground-agent.asoview.com 3 2026-01-10 2026-09-11 —
sandbox-agent.asoview.com 2 2026-04-24 2026-09-24 ok
*.sandbox-agent.asoview.com 2 2026-04-24 2026-09-24 —
*.agent.asoview.com 2 2026-04-16 2026-09-16 —
evt.asoview.com 4 2026-06-06 2026-10-04 ok
biz.asoview.com 9 2026-04-26 2026-09-30 ok

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