Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

43 hosts · 296 ms

HostCertsFirst seenLast seen
esprinet.com 2 2026-04-20 2026-04-20
*.esprinet.com 2 2026-04-20 2026-04-20
ewebclub01.esprinet.com 4 2026-04-29 2026-05-04
ewebclub02.esprinet.com 1 2026-04-15 2026-04-15
ewebclub03.esprinet.com 2 2026-04-30 2026-04-30
pop3.esprinet.com 5 2026-01-16 2026-01-16
owa.esprinet.com 5 2026-01-16 2026-01-16
ewebclub.esprinet.com 1 2026-04-19 2026-04-19
adminewc.esprinet.com 10 2026-05-06 2026-10-03
as400prod.esprinet.com 1 2026-02-09 2026-02-09
esprirent-hpe.esprinet.com 3 2025-09-08 2026-09-08
secure.esprinet.com 2 2026-01-16 2026-01-16
staging.esprinet.com 14 2026-05-25 2026-09-20
idmaint-api.esprinet.com 10 2026-04-15 2026-08-11
labcorsi.esprinet.com 1 2026-08-24 2026-08-24
cisedtgti.esprinet.com 2 2025-08-18 2026-07-21
mail.esprinet.com 5 2026-01-16 2026-01-16
www.mail.esprinet.com 5 2026-01-16 2026-01-16
sgtm.esprinet.com 4 2026-04-20 2026-08-18
spain.esprinet.com 1 2025-12-01 2025-12-01
join.esprinet.com 2 2026-01-16 2026-01-16
gadget2go.esprinet.com 1 2026-05-14 2026-05-14
be.gadget2go.esprinet.com 1 2026-05-14 2026-05-14
tracking.gadget2go.esprinet.com 1 2026-05-14 2026-05-14
be-uat.gadget2go.esprinet.com 1 2026-05-14 2026-05-14
tracking-uat.gadget2go.esprinet.com 1 2026-05-14 2026-05-14
imap.esprinet.com 5 2026-01-16 2026-01-16
newsletter.esprinet.com 1 2025-11-03 2025-11-03
www.newsletter.esprinet.com 1 2025-11-03 2025-11-03
autodiscover.esprinet.com 3 2026-01-16 2026-01-16
statics.esprinet.com 8 2026-04-26 2026-08-23
newsletteres.esprinet.com 2 2025-06-30 2026-06-29
www.newsletteres.esprinet.com 2 2025-06-30 2026-06-29
gadget2go-uat.esprinet.com 1 2026-05-14 2026-05-14
newsletterit.esprinet.com 2 2025-06-30 2026-06-29
web.newsletterit.esprinet.com 2 2025-09-15 2026-09-14
www.newsletterit.esprinet.com 2 2025-06-30 2026-06-29
hpeapiclient.esprinet.com 2 2025-07-17 2026-07-16
idmaint.esprinet.com 11 2026-05-18 2026-09-13
newsletterpt.esprinet.com 2 2025-07-07 2026-06-29
www.newsletterpt.esprinet.com 2 2025-07-07 2026-06-29
esprirent-hpe-test.esprinet.com 1 2026-05-11 2026-05-11
italy.esprinet.com 1 2025-12-01 2025-12-01

Programmatic access: API GET /v1/hosts/esprinet.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/esprinet.com.