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.

31 hosts · 210 ms

HostCertsFirst seenLast seen
surfshark.com 30 2025-07-15 2026-09-24
*.surfshark.com 35 2025-07-15 2026-09-24
downloads2.surfshark.com 4 2026-04-21 2026-09-09
shield.surfshark.com 5 2026-05-08 2026-09-05
*.shield.surfshark.com 13 2026-02-24 2026-09-08
api.shield.surfshark.com 4 2026-05-21 2026-07-30
admin.shield.surfshark.com 4 2026-05-21 2026-07-30
prod.surfshark.com 2 2025-12-31 2026-10-06
*.prod.surfshark.com 2 2025-12-31 2026-10-06
email.learning.surfshark.com 5 2026-06-05 2026-10-03
bimi.surfshark.com 4 2026-04-13 2026-09-24
avi.surfshark.com 3 2026-05-30 2026-08-08
link.surfshark.com 3 2026-05-27 2026-08-04
dip.surfshark.com 3 2025-09-04 2026-08-24
*.dip.surfshark.com 3 2025-09-04 2026-08-24
shop.surfshark.com 8 2026-05-07 2026-09-02
avp.surfshark.com 1 2025-12-02 2025-12-02
mwp.surfshark.com 4 2026-08-03 2026-10-01
order.surfshark.com 26 2026-04-28 2026-09-22
*.order.surfshark.com 18 2026-04-28 2026-09-22
go-apple-s.surfshark.com 5 2026-04-25 2026-08-23
go-core-s.surfshark.com 5 2026-05-29 2026-09-26
go-apps-s.surfshark.com 4 2026-06-05 2026-10-02
go-front-s.surfshark.com 5 2026-05-29 2026-09-26
lms-stats.surfshark.com 4 2026-04-13 2026-08-11
support.surfshark.com 5 2026-04-21 2026-08-19
speedtest.surfshark.com 5 2026-05-09 2026-09-05
av.surfshark.com 6 2025-11-25 2026-09-23
avw.surfshark.com 7 2025-08-24 2026-09-12
my.surfshark.com 30 2026-04-19 2026-09-21
*.my.surfshark.com 20 2026-04-19 2026-09-21

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