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.

56 hosts · 372 ms

HostCertsFirst seenLast seenDNS
drugs.com 11 2025-06-16 2026-09-21 ok
*.drugs.com 5 2025-06-16 2026-06-28 —
propecia.drugs.com 5 2026-09-17 2026-09-21 ok
media.drugs.com 5 2026-09-17 2026-09-21 ok
soma.drugs.com 5 2026-09-17 2026-09-21 ok
inspra.drugs.com 5 2026-09-17 2026-09-21 ok
prozac.drugs.com 5 2026-09-17 2026-09-21 ok
sudafed.drugs.com 5 2026-09-17 2026-09-21 ok
prod.drugs.com 2 2025-08-28 2026-07-29 nodata
*.prod.drugs.com 2 2025-08-28 2026-07-29 —
lansoprazole.drugs.com 5 2026-09-17 2026-09-21 ok
tizanidine.drugs.com 5 2026-09-17 2026-09-21 ok
doxycycline.drugs.com 5 2026-09-17 2026-09-21 ok
amitriptyline.drugs.com 5 2026-09-17 2026-09-21 ok
phentermine.drugs.com 5 2026-09-17 2026-09-21 ok
oxycodone.drugs.com 5 2026-09-17 2026-09-21 ok
trazodone.drugs.com 5 2026-09-17 2026-09-21 ok
premphase.drugs.com 5 2026-09-17 2026-09-21 ok
blog.drugs.com 5 2026-09-17 2026-09-21 ok
search.drugs.com 5 2026-09-17 2026-09-21 ok
xenical.drugs.com 5 2026-09-17 2026-09-21 ok
paxil.drugs.com 5 2026-09-17 2026-09-21 ok
adderall.drugs.com 5 2026-09-17 2026-09-21 ok
tramadol.drugs.com 5 2026-09-17 2026-09-21 ok
carisoprodol.drugs.com 5 2026-09-17 2026-09-21 ok
methocarbamol.drugs.com 5 2026-09-17 2026-09-21 ok
reminyl.drugs.com 5 2026-09-17 2026-09-21 ok
alprazolam.drugs.com 5 2026-09-17 2026-09-21 ok
temazepam.drugs.com 5 2026-09-17 2026-09-21 ok
ultram.drugs.com 5 2026-09-17 2026-09-21 ok
valium.drugs.com 5 2026-09-17 2026-09-21 ok
prometrium.drugs.com 5 2026-09-17 2026-09-21 ok
forum.drugs.com 5 2026-09-17 2026-09-21 ok
ibuprofen.drugs.com 5 2026-09-17 2026-09-21 ok
ambien.drugs.com 5 2026-09-17 2026-09-21 ok
amoxicillin.drugs.com 5 2026-09-17 2026-09-21 ok
phenytoin.drugs.com 5 2026-09-17 2026-09-21 ok
aspirin.drugs.com 5 2026-09-17 2026-09-21 ok
wellbutrin.drugs.com 5 2026-09-17 2026-09-21 ok
lexapro.drugs.com 5 2026-09-17 2026-09-21 ok
metaglip.drugs.com 5 2026-09-17 2026-09-21 ok
benicar.drugs.com 5 2026-09-17 2026-09-21 ok
effexor.drugs.com 5 2026-09-17 2026-09-21 ok
feeds.drugs.com 3 2026-09-18 2026-09-21 ok
newsletters.drugs.com 5 2026-09-17 2026-09-21 ok
podcasts.drugs.com 4 2026-04-15 2026-08-13 ok
uat.drugs.com 4 2025-07-21 2026-07-25 ok
*.uat.drugs.com 3 2025-08-19 2026-07-25 —
fioricet.drugs.com 5 2026-09-17 2026-09-21 ok
endocet.drugs.com 5 2026-09-17 2026-09-21 ok
tollbit.drugs.com 19 2026-04-29 2026-09-19 ok
striant.drugs.com 5 2026-09-17 2026-09-21 ok
*.test.drugs.com 2 2026-05-18 2026-05-18 —
*.dev.drugs.com 4 2026-04-22 2026-07-21 —
localhost.dev.drugs.com 2 2026-07-22 2026-07-22 ok
www.drugs.com 6 2026-09-17 2026-09-21 ok

Programmatic access, with DNS A records: API GET /v1/hosts/drugs.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/drugs.com.