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.

54 hosts · 747 ms

HostCertsFirst seenLast seenDNS
serenaandlily.com 5 2026-02-11 2026-08-22 ok
*.serenaandlily.com 1 2026-02-11 2026-02-11 —
sl-use1-nps01.serenaandlily.com 3 2025-06-14 2026-06-24 nodata
www.sl-use1-nps01.serenaandlily.com 2 2025-06-14 2026-06-24 nxdomain
static1.serenaandlily.com 8 2026-04-25 2026-08-17 ok
sl-usw2-nps02.serenaandlily.com 3 2025-09-09 2026-09-09 nxdomain
www.sl-usw2-nps02.serenaandlily.com 3 2025-09-09 2026-09-09 nxdomain
middleware.qa.serenaandlily.com 3 2026-05-11 2026-08-03 ok
lab.serenaandlily.com 5 2026-05-31 2026-10-02 ok
xfobuc.serenaandlily.com 2 2026-06-09 2026-08-11 ok
toad.serenaandlily.com 6 2026-05-02 2026-09-01 ok
dd.serenaandlily.com 4 2026-05-19 2026-08-02 ok
sendgrid.serenaandlily.com 1 2026-05-08 2026-05-08 nxdomain
scripts-preprod.serenaandlily.com 2 2026-08-21 2026-08-21 nxdomain
experience.serenaandlily.com 2 2025-09-27 2026-08-28 ok
op-scim-bridge.serenaandlily.com 1 2026-01-21 2026-01-21 ok
share.serenaandlily.com 1 2025-09-23 2025-09-23 ok
staging.serenaandlily.com 5 2026-04-25 2026-08-29 ok
middleware.staging.serenaandlily.com 3 2026-05-11 2026-08-03 ok
scripts.staging.serenaandlily.com 1 2026-08-31 2026-08-31 ok
blog.serenaandlily.com 9 2026-04-20 2026-09-17 ok
api.serenaandlily.com 2 2025-06-08 2026-05-09 ok
webhook.serenaandlily.com 1 2026-01-25 2026-01-25 ok
shopthelook.serenaandlily.com 1 2026-09-16 2026-09-16 ok
product-data.production.serenaandlily.com 1 2026-01-31 2026-01-31 ok
catalog-unsubscribe.production.serenaandlily.com 2 2025-06-07 2026-05-08 ok
middleware.production.serenaandlily.com 3 2026-05-11 2026-08-03 ok
estimate-reconciliation.production.serenaandlily.com 2 2026-03-18 2026-08-18 ok
order-reconciliation.production.serenaandlily.com 3 2026-05-11 2026-08-03 ok
sl-epc-order-reconciliation.production.serenaandlily.com 2 2026-03-22 2026-08-22 ok
scripts.production.serenaandlily.com 1 2026-09-01 2026-09-01 ok
develop.serenaandlily.com 5 2026-06-01 2026-10-02 ok
mailer.serenaandlily.com 1 2026-05-15 2026-05-15 ok
visualizer.serenaandlily.com 5 2026-09-17 2026-09-17 nxdomain
vendor.serenaandlily.com 1 2025-12-29 2025-12-29 ok
catalogs.serenaandlily.com 5 2026-04-14 2026-08-16 ok
playwright.serenaandlily.com 5 2026-05-22 2026-09-20 ok
product-data.development.serenaandlily.com 1 2026-01-31 2026-01-31 ok
catalog-unsubscribe.development.serenaandlily.com 2 2025-06-07 2026-05-08 ok
middleware.development.serenaandlily.com 3 2026-05-11 2026-08-03 ok
estimate-reconciliation.development.serenaandlily.com 2 2026-03-07 2026-07-23 ok
order-reconciliation.development.serenaandlily.com 4 2026-01-15 2026-08-03 ok
sl-epc-order-reconciliation.development.serenaandlily.com 2 2026-03-19 2026-08-19 ok
scripts.development.serenaandlily.com 2 2026-08-24 2026-08-24 ok
pentest.serenaandlily.com 1 2026-04-14 2026-04-14 nxdomain
linkst.serenaandlily.com 6 2026-06-03 2026-10-01 ok
sv.serenaandlily.com 6 2026-03-30 2026-09-14 ok
preview.serenaandlily.com 1 2026-09-15 2026-09-15 ok
middleware.preview.serenaandlily.com 2 2026-09-17 2026-09-17 nxdomain
www.serenaandlily.com 5 2026-04-21 2026-08-24 ok
sandbox.serenaandlily.com 3 2026-06-04 2026-08-03 ok
middleware.sandbox.serenaandlily.com 3 2026-05-11 2026-08-03 ok
kirby.serenaandlily.com 6 2026-04-30 2026-09-01 ok
static-legacy.serenaandlily.com 4 2026-05-14 2026-05-14 ok

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