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.

22 hosts · 399 ms

HostCertsFirst seenLast seenDNS
exsitec.se 11 2026-01-09 2026-09-29 ok
*.exsitec.se 1 2026-01-09 2026-01-09 —
www2.exsitec.se 8 2026-05-01 2026-08-27 ok
cybersakra.exsitec.se 10 2026-05-04 2026-08-31 ok
vb.exsitec.se 3 2026-05-18 2026-09-02 ok
karriarlovb.exsitec.se 4 2026-04-12 2026-09-22 ok
kund.exsitec.se 10 2026-04-30 2026-08-26 ok
inside.exsitec.se 6 2026-04-30 2026-08-26 ok
presale.exsitec.se 3 2026-05-22 2026-09-06 ok
test.vismaiframe.exsitec.se 4 2026-02-12 2026-09-26 ok
mote.exsitec.se 3 2026-04-27 2026-08-16 ok
openclick.exsitec.se 1 2026-05-14 2026-05-14 ok
mil.exsitec.se 3 2026-05-28 2026-08-19 ok
skiteam.exsitec.se 8 2026-04-30 2026-08-26 ok
tidbin.exsitec.se 3 2026-03-16 2026-09-07 ok
sugar.exsitec.se 5 2026-05-27 2026-09-24 ok
karriar.exsitec.se 9 2026-06-08 2026-09-24 ok
spages.exsitec.se 5 2026-05-05 2026-09-02 ok
hubspotcms.exsitec.se 9 2026-05-01 2026-08-27 ok
share-a-secret.exsitec.se 3 2026-06-12 2026-10-04 ok
vbkonsult.exsitec.se 3 2026-05-06 2026-08-24 ok
www.exsitec.se 10 2026-04-30 2026-08-26 ok

Programmatic access, with DNS A records: API GET /v1/hosts/exsitec.se (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/exsitec.se.