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.

54 hosts · 275 ms

HostCertsFirst seenLast seen
cranleigh.org 11 2026-02-03 2026-10-03
*.cranleigh.org 1 2026-02-03 2026-02-03
cranleigh-ckf01.cranleigh.org 5 2026-05-07 2026-09-03
cranprep-ckf01.cranleigh.org 6 2026-05-05 2026-09-01
csexch01.cranleigh.org 1 2025-07-11 2025-07-11
cpsexch01.cranleigh.org 1 2025-07-11 2025-07-11
cranweb02.cranleigh.org 4 2026-06-13 2026-10-11
csexch02.cranleigh.org 1 2025-07-11 2025-07-11
cpsexch02.cranleigh.org 1 2025-07-11 2025-07-11
csexch03.cranleigh.org 1 2025-07-11 2025-07-11
cpsexch03.cranleigh.org 1 2025-07-11 2025-07-11
csexch04.cranleigh.org 1 2025-07-11 2025-07-11
csexch05.cranleigh.org 1 2025-07-11 2025-07-11
diploma.cranleigh.org 4 2026-04-19 2026-08-17
wordpress-public.cranleigh.org 5 2026-05-01 2026-08-29
www.wordpress-public.cranleigh.org 5 2026-05-01 2026-08-29
old.cranleigh.org 5 2026-05-26 2026-09-23
wordle.cranleigh.org 5 2026-05-28 2026-09-30
mailgate.cranleigh.org 1 2025-07-11 2025-07-11
img.cranleigh.org 1 2025-07-11 2025-07-11
smugmug.cranleigh.org 7 2026-03-26 2026-08-31
wifi.cranleigh.org 1 2026-01-30 2026-01-30
www.wifi.cranleigh.org 1 2026-01-30 2026-01-30
assetbank.cranleigh.org 5 2026-05-18 2026-09-21
servicedesk.cranleigh.org 17 2026-06-11 2026-10-07
sportsdesk.cranleigh.org 8 2026-04-23 2026-10-06
twk.cranleigh.org 2 2026-08-04 2026-10-03
signal.cranleigh.org 5 2026-05-13 2026-09-10
portal.cranleigh.org 32 2026-05-27 2026-10-11
mail.cranleigh.org 1 2025-07-11 2025-07-11
sixthform.cranleigh.org 12 2026-04-28 2026-06-26
cdn.cranleigh.org 5 2026-05-26 2026-09-23
raiseaconcern.cranleigh.org 5 2026-05-11 2026-09-08
promo.cranleigh.org 5 2026-05-28 2026-09-25
ip.cranleigh.org 5 2026-05-29 2026-09-26
shop.cranleigh.org 13 2026-05-15 2026-09-24
app.cranleigh.org 5 2026-06-11 2026-10-09
calendar.cranleigh.org 5 2026-05-26 2026-09-14
autodiscover.cranleigh.org 1 2025-07-11 2025-07-11
tripphones.cranleigh.org 5 2026-05-24 2026-09-21
blogs.cranleigh.org 5 2026-04-28 2026-08-26
pupils.cranleigh.org 2 2026-07-28 2026-07-28
admissions.cranleigh.org 3 2026-04-21 2026-09-21
selfreflections.cranleigh.org 5 2026-05-11 2026-09-08
videos.cranleigh.org 4 2026-06-08 2026-09-27
admissionsjoiningpapers.cranleigh.org 1 2026-02-16 2026-02-16
parents.cranleigh.org 5 2026-05-26 2026-09-23
mta-sts.cranleigh.org 5 2026-06-08 2026-10-06
cisionone-email.news.cranleigh.org 5 2026-04-30 2026-08-28
vmt.cranleigh.org 5 2026-05-19 2026-09-16
cert.cranleigh.org 5 2026-05-16 2026-09-13
googlecert.cranleigh.org 5 2026-04-28 2026-08-27
www.cranleigh.org 14 2026-05-03 2026-10-03
ocsociety.cranleigh.org 5 2026-04-29 2026-08-27

Programmatic access: API GET /v1/hosts/cranleigh.org (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/cranleigh.org.