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.

46 hosts · 317 ms

HostCertsFirst seenLast seenDNS
memo.bank 68 2025-10-16 2026-10-06 ok
*.memo.bank 60 2026-02-20 2026-10-06 —
rt1.memo.bank 6 2026-04-22 2026-08-18 ok
step2.memo.bank 6 2026-04-22 2026-08-18 ok
default.common-public.eu-west-3.memo.bank 1 2025-08-19 2025-08-19 nxdomain
default.common-private.eu-west-3.memo.bank 1 2025-08-19 2025-08-19 nxdomain
sagex3.memo.bank 14 2026-05-11 2026-09-24 ok
media.memo.bank 6 2026-04-20 2026-08-16 ok
grafana.memo.bank 1 2025-07-23 2025-07-23 nxdomain
tube.memo.bank 1 2025-07-23 2025-07-23 nxdomain
aide.memo.bank 5 2026-04-28 2026-08-25 ok
guide.memo.bank 12 2026-04-15 2026-08-12 ok
landing.memo.bank 8 2026-05-11 2026-09-06 ok
api.memo.bank 9 2025-07-18 2026-08-14 ok
docs-nextgenpsd2.api.memo.bank 14 2026-05-19 2026-09-17 ok
docs-marketplace.api.memo.bank 16 2026-05-23 2026-09-25 ok
docs.api.memo.bank 18 2026-05-19 2026-09-17 ok
marketing-storybook.memo.bank 2 2025-06-24 2026-05-25 nodata
work.memo.bank 16 2026-04-17 2026-08-14 ok
www.work.memo.bank 14 2026-04-17 2026-08-14 ok
tube-external.memo.bank 11 2025-08-22 2026-08-14 ok
email.memo.bank 12 2026-05-11 2026-09-07 ok
admin.memo.bank 1 2025-07-23 2025-07-23 nxdomain
automation.memo.bank 10 2026-04-18 2026-08-14 ok
api.automation.memo.bank 1 2025-07-18 2025-07-18 nxdomain
tempo.memo.bank 2 2025-06-29 2025-07-02 nxdomain
dmp.memo.bank 1 2025-07-23 2025-07-23 nxdomain
vop.memo.bank 2 2025-07-31 2026-07-29 nodata
banker.memo.bank 1 2025-07-23 2025-07-23 nxdomain
ebics.memo.bank 11 2025-08-04 2026-08-14 ok
transactions.memo.bank 1 2025-07-22 2025-07-22 nxdomain
careers.memo.bank 7 2026-05-12 2026-09-25 ok
dead-letters.memo.bank 1 2025-08-01 2025-08-01 nxdomain
assets.memo.bank 10 2026-04-18 2026-08-14 ok
status.memo.bank 19 2025-06-26 2026-09-20 ok
client.memo.bank 9 2025-07-23 2026-08-14 ok
www.memo.bank 1 2025-10-16 2025-10-16 ok
sandbox.memo.bank 17 2026-04-13 2026-09-04 nodata
*.sandbox.memo.bank 17 2026-04-13 2026-09-04 —
api.sandbox.memo.bank 8 2026-04-15 2026-08-11 ok
automation.sandbox.memo.bank 12 2026-04-15 2026-08-12 ok
fake-payment-processor.sandbox.memo.bank 8 2026-04-15 2026-08-11 ok
client.sandbox.memo.bank 8 2026-04-15 2026-08-11 ok
prometheus-pushgateway.memo.bank 1 2025-07-23 2025-07-23 nxdomain
external-sentry.memo.bank 6 2026-05-11 2026-09-06 ok
store.sentry.memo.bank 18 2026-04-17 2026-09-25 ok

Programmatic access, with DNS A records: API GET /v1/hosts/memo.bank (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/memo.bank.