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) · 596 ms

HostCertsFirst seenLast seenDNS
spanx.com 19 2026-02-19 2026-09-25 ok
*.spanx.com 3 2026-02-19 2026-09-21 —
spx-crm-01.spanx.com 3 2025-09-25 2026-09-19 nxdomain
www.spx-crm-01.spanx.com 3 2025-09-25 2026-09-19 nxdomain
spx-nuo-01.spanx.com 5 2025-07-24 2026-09-21 nodata
vp-sql05-clm1.spanx.com 1 2025-07-18 2025-07-18 nxdomain
www.vp-sql05-clm1.spanx.com 1 2025-07-18 2025-07-18 nxdomain
vp-sql05-clm2.spanx.com 1 2025-07-18 2025-07-18 nxdomain
www.vp-sql05-clm2.spanx.com 1 2025-07-18 2025-07-18 nxdomain
vp-sql-erp-clm2.spanx.com 1 2025-07-18 2025-07-18 nxdomain
www.vp-sql-erp-clm2.spanx.com 1 2025-07-18 2025-07-18 nxdomain
vd-sql-erp-clm3.spanx.com 1 2025-07-18 2025-07-18 nxdomain
www.vd-sql-erp-clm3.spanx.com 1 2025-07-18 2025-07-18 nxdomain
b2b.spanx.com 5 2025-07-24 2026-09-21 ok
www.b2b.spanx.com 2 2026-09-21 2026-09-21 nxdomain
brand.spanx.com 5 2026-05-14 2026-09-12 ok
create.brand.spanx.com 5 2026-05-14 2026-09-12 ok
prod.spanx.com 15 2026-05-07 2026-09-16 ok
cloud.spanx.com 2 2026-04-23 2026-04-23 nodata
*.cloud.spanx.com 2 2026-04-23 2026-04-23 —
b2b.cloud.spanx.com 5 2026-04-12 2026-08-24 ok
orchard.cloud.spanx.com 2 2026-08-07 2026-08-25 nxdomain
marketing-performance-dashboard.cloud.spanx.com 3 2026-07-24 2026-08-25 nxdomain
consumer-cube.cloud.spanx.com 2 2026-08-07 2026-08-25 nxdomain
profit-cube.cloud.spanx.com 2 2026-08-10 2026-08-25 nxdomain
inventory-bridge.cloud.spanx.com 1 2026-09-23 2026-09-23 nxdomain
smoke.cloud.spanx.com 1 2026-08-25 2026-08-25 nxdomain
orders.dig.cloud.spanx.com 3 2026-05-15 2026-09-28 ok
datadog.cloud.spanx.com 4 2026-04-12 2026-08-24 ok
product-catalog.cloud.spanx.com 1 2026-06-02 2026-06-02 ok
executive-dash.cloud.spanx.com 3 2026-07-28 2026-08-25 nxdomain
api.cloud.spanx.com 4 2026-04-15 2026-08-13 ok
webhook.cloud.spanx.com 11 2026-05-19 2026-09-23 ok
clerk.cloud.spanx.com 8 2026-04-18 2026-08-14 ok
retail.cloud.spanx.com 2 2026-08-05 2026-08-05 ok
litellm.cloud.spanx.com 2 2026-08-25 2026-08-25 nxdomain
product-room.cloud.spanx.com 2 2026-08-25 2026-09-03 nxdomain
crm.cloud.spanx.com 2 2026-04-09 2026-08-01 ok
gtm.cloud.spanx.com 2 2026-08-13 2026-09-03 nxdomain
n8n.cloud.spanx.com 13 2026-05-19 2026-09-23 ok
falcon.cloud.spanx.com 4 2026-04-12 2026-08-24 ok
foundation.cloud.spanx.com 4 2026-06-15 2026-08-25 nxdomain
pano.cloud.spanx.com 3 2026-02-04 2026-09-22 nxdomain
www.pano.cloud.spanx.com 1 2026-09-22 2026-09-22 nxdomain
af-wh-narvar.cloud.spanx.com 5 2026-04-12 2026-08-24 ok
acquisition-tracker.cloud.spanx.com 1 2026-08-31 2026-08-31 nxdomain
monitor.cloud.spanx.com 4 2026-04-12 2026-08-24 ok
contour.cloud.spanx.com 1 2026-08-25 2026-08-25 nxdomain
consumer-analytics.cloud.spanx.com 2 2026-08-14 2026-08-25 nxdomain
spanx-analytics.cloud.spanx.com 1 2026-06-15 2026-06-15 ok
gift-cards.cloud.spanx.com 2 2026-08-05 2026-08-05 ok
files.cloud.spanx.com 3 2026-05-26 2026-08-09 ok
finops.cloud.spanx.com 1 2026-09-09 2026-09-09 nxdomain
orders.cloud.spanx.com 2 2026-08-05 2026-08-05 ok
accounts.cloud.spanx.com 10 2026-04-18 2026-08-14 ok
discounts.cloud.spanx.com 1 2026-06-02 2026-06-02 ok
vault.cloud.spanx.com 4 2026-04-12 2026-08-24 ok
qdrant.cloud.spanx.com 5 2026-06-01 2026-09-29 nxdomain
agent.cloud.spanx.com 5 2026-05-02 2026-09-05 ok
workfront.cloud.spanx.com 4 2026-04-12 2026-08-25 ok
support.cloud.spanx.com 3 2026-05-27 2026-08-16 ok
wishlist.cloud.spanx.com 2 2026-08-05 2026-08-05 ok
orchard.dev.cloud.spanx.com 4 2026-06-25 2026-08-24 nxdomain
marketing-performance-dashboard.dev.cloud.spanx.com 3 2026-07-24 2026-08-20 nxdomain
consumer-cube.dev.cloud.spanx.com 2 2026-08-06 2026-08-20 nxdomain
profit-cube.dev.cloud.spanx.com 2 2026-08-04 2026-08-20 nxdomain
inventory-bridge.dev.cloud.spanx.com 2 2026-08-27 2026-09-03 nxdomain
smoke.dev.cloud.spanx.com 1 2026-08-20 2026-08-20 nxdomain
executive-dash.dev.cloud.spanx.com 3 2026-07-27 2026-08-20 nxdomain
prefect-api.dev.cloud.spanx.com 1 2026-08-27 2026-08-27 nxdomain
webhook.dev.cloud.spanx.com 6 2026-05-19 2026-09-16 nxdomain
litellm.dev.cloud.spanx.com 2 2026-08-13 2026-08-25 nxdomain
product-room.dev.cloud.spanx.com 3 2026-08-20 2026-09-03 nxdomain
gtm.dev.cloud.spanx.com 2 2026-08-11 2026-09-03 nxdomain
n8n.dev.cloud.spanx.com 8 2026-05-16 2026-09-16 nxdomain
foundation.dev.cloud.spanx.com 6 2026-06-04 2026-08-20 nxdomain
af-wh-narvar.dev.cloud.spanx.com 4 2026-04-12 2026-08-24 ok
acquisition-tracker.dev.cloud.spanx.com 1 2026-08-31 2026-08-31 nxdomain
contour.dev.cloud.spanx.com 5 2026-06-08 2026-08-24 ok
legal-atlas.dev.cloud.spanx.com 1 2026-08-27 2026-08-27 nxdomain
consumer-analytics.dev.cloud.spanx.com 2 2026-08-14 2026-08-20 nxdomain
invoices.dev.cloud.spanx.com 3 2026-05-22 2026-10-04 ok
finops.dev.cloud.spanx.com 1 2026-09-08 2026-09-08 nxdomain
prefect.dev.cloud.spanx.com 1 2026-08-27 2026-08-27 nxdomain
pot.dev.cloud.spanx.com 3 2026-06-05 2026-09-27 ok
crm-test.dev.cloud.spanx.com 2 2026-04-09 2026-08-01 ok
loyalty.cloud.spanx.com 2 2026-03-16 2026-07-26 ok
queue.spanx.com 3 2025-10-06 2025-10-06 ok
staging.spanx.com 7 2026-04-18 2026-08-27 ok
ssapi.spanx.com 2 2026-05-06 2026-05-06 ok
link.spanx.com 5 2026-05-30 2026-09-27 ok
spanxcrm.spanx.com 3 2025-09-25 2026-09-19 nxdomain
develop.spanx.com 14 2026-05-24 2026-10-05 ok
influencers.spanx.com 5 2026-05-04 2026-09-06 ok
clerk.influencers.spanx.com 8 2026-04-19 2026-08-16 ok
accounts.influencers.spanx.com 12 2026-04-20 2026-08-16 ok
trs.spanx.com 2 2025-08-31 2026-07-31 ok
checkout.spanx.com 13 2026-05-08 2026-09-20 ok
develop-checkout.spanx.com 16 2026-05-24 2026-10-03 ok
sandbox-checkout.spanx.com 14 2026-05-07 2026-09-18 ok

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/spanx.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/spanx.com.