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.

37 hosts · 235 ms

HostCertsFirst seenLast seen
taxaudit.com 6 2025-10-08 2025-10-29
*.taxaudit.com 7 2025-10-08 2026-09-24
softphone.taxaudit.com 3 2026-08-26 2026-08-26
*.softphone.taxaudit.com 1 2026-08-26 2026-08-26
qa.softphone.taxaudit.com 3 2026-08-25 2026-08-25
*.qa.softphone.taxaudit.com 1 2026-08-25 2026-08-25
stg.softphone.taxaudit.com 3 2026-08-26 2026-08-26
*.stg.softphone.taxaudit.com 1 2026-08-26 2026-08-26
dev.softphone.taxaudit.com 2 2026-06-29 2026-07-09
*.dev.softphone.taxaudit.com 1 2026-06-29 2026-06-29
mgtrack.intuitauditdefense.taxaudit.com 5 2026-04-22 2026-08-20
p4wh.taxaudit.com 1 2026-10-07 2026-10-07
info.taxaudit.com 10 2026-05-12 2026-09-07
securebrowser.taxaudit.com 12 2026-02-24 2026-08-03
tactics.taxaudit.com 1 2025-11-13 2025-11-13
videos.taxaudit.com 2 2026-04-09 2026-09-09
photos.taxaudit.com 2 2026-04-29 2026-09-29
*.a.p2.aws.taxaudit.com 2 2026-09-29 2026-09-29
*.u.p2.aws.taxaudit.com 4 2026-10-05 2026-10-08
*.a.p3.aws.taxaudit.com 6 2026-09-22 2026-10-04
*.c.p3.aws.taxaudit.com 2 2026-09-24 2026-09-24
*.c.p4.aws.taxaudit.com 2 2026-10-02 2026-10-02
*.i.p4.aws.taxaudit.com 5 2026-09-29 2026-10-06
smcui.u.p4.aws.taxaudit.com 2 2026-07-15 2026-07-15
*.smcui.u.p4.aws.taxaudit.com 2 2026-07-15 2026-07-15
*.z.p4.aws.taxaudit.com 33 2026-08-18 2026-10-07
smcappsvc.z.p4.aws.taxaudit.com 4 2026-08-15 2026-08-16
stacui.z.p4.aws.taxaudit.com 11 2026-08-03 2026-08-26
*.stacui.z.p4.aws.taxaudit.com 11 2026-08-03 2026-08-26
smcui.z.p4.aws.taxaudit.com 11 2026-07-13 2026-08-26
*.smcui.z.p4.aws.taxaudit.com 11 2026-07-13 2026-08-26
enrollment.z.p4.aws.taxaudit.com 2 2026-08-14 2026-08-14
bossassistant.taxaudit.com 1 2026-06-15 2026-06-15
devenrollment.taxaudit.com 2 2026-10-06 2026-10-06
hitbox.taxaudit.com 2 2026-09-23 2026-09-24
*.hitbox.taxaudit.com 1 2026-09-23 2026-09-23
expressway.taxaudit.com 9 2025-10-08 2026-09-24

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