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.

36 hosts · 265 ms

HostCertsFirst seenLast seen
oregonlive.com 15 2025-09-22 2026-09-28
*.oregonlive.com 14 2025-08-03 2026-09-28
a051.oregonlive.com 1 2026-01-11 2026-01-11
q634.oregonlive.com 2 2025-06-22 2026-05-23
ead.oregonlive.com 2 2026-03-01 2026-07-17
placead.oregonlive.com 2 2025-07-25 2026-07-22
subscribe.oregonlive.com 15 2026-04-27 2026-10-06
hiring.oregonlive.com 3 2026-06-16 2026-09-05
i.oregonlive.com 8 2026-05-01 2026-09-18
link.oregonlive.com 6 2026-06-03 2026-10-01
l.oregonlive.com 5 2026-06-06 2026-10-04
enews.o.oregonlive.com 12 2026-04-23 2026-08-19
advancelocalseo.oregonlive.com 6 2026-05-07 2026-07-17
app.oregonlive.com 1 2026-07-09 2026-07-09
jobs.oregonlive.com 11 2026-04-26 2026-10-05
topics.oregonlive.com 11 2026-05-01 2026-10-07
ezads.oregonlive.com 1 2025-12-04 2025-12-04
classifieds.oregonlive.com 3 2025-08-01 2026-08-20
puzzles.oregonlive.com 5 2026-05-14 2026-09-11
foreclosures.oregonlive.com 1 2026-01-11 2026-01-11
archives.oregonlive.com 2 2025-09-12 2026-08-13
autos.oregonlive.com 3 2026-05-09 2026-09-21
circulars.oregonlive.com 5 2026-05-12 2026-09-11
obits.oregonlive.com 8 2026-05-07 2026-09-02
mobileobits.oregonlive.com 6 2026-05-07 2026-09-02
events.oregonlive.com 5 2026-05-11 2026-09-08
breaking-news.oregonlive.com 1 2026-02-17 2026-02-17
*.breaking-news.oregonlive.com 1 2026-02-17 2026-02-17
i-uat.oregonlive.com 5 2026-05-01 2026-09-18
topics-uat.oregonlive.com 11 2026-05-01 2026-10-07
connect-uat.oregonlive.com 11 2026-05-01 2026-10-07
www-uat.oregonlive.com 11 2026-05-01 2026-10-07
connect.oregonlive.com 11 2026-05-01 2026-10-07
myaccount.oregonlive.com 15 2026-04-27 2026-10-06
www.oregonlive.com 11 2026-05-01 2026-10-07
www-sandbox.oregonlive.com 5 2026-05-01 2026-09-18

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