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.

100 hosts (first page) · 321 ms

HostCertsFirst seenLast seenDNS
zoom.us 8 2025-08-19 2026-09-04 ok
*.zoom.us 15 2025-08-19 2026-10-04 —
ca01sbc100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
sa01sbc100.zoom.us 1 2026-01-19 2026-01-19 nxdomain
dg01sbc100.zoom.us 2 2025-07-25 2026-05-25 nxdomain
uk01sbc100.zoom.us 4 2025-10-08 2026-08-09 nxdomain
us01sbc100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
au01sbc100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
eu01sbc100.zoom.us 2 2025-07-26 2026-05-29 nxdomain
eu02sbc100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
sa01zccsbc100.zoom.us 6 2025-10-12 2026-08-19 nxdomain
uk01zccsbc100.zoom.us 6 2025-10-08 2026-08-23 nxdomain
us01zccsbc100.zoom.us 1 2025-07-25 2025-07-25 ok
eu01zccsbc100.zoom.us 2 2025-08-23 2026-06-26 nxdomain
gozccsbc100.zoom.us 1 2025-07-26 2025-07-26 ok
gosbc100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
uk01pbxintzppeersbc100.zoom.us 1 2025-10-08 2025-10-08 nxdomain
ca01dm100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
sa01dm100.zoom.us 1 2026-01-19 2026-01-19 nxdomain
dg01dm100.zoom.us 2 2025-07-25 2026-05-25 nxdomain
uk01dm100.zoom.us 4 2025-10-08 2026-08-09 nxdomain
us01dm100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
au01dm100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
eu01dm100.zoom.us 2 2025-07-26 2026-05-29 nxdomain
eu02dm100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01zccdm100.zoom.us 1 2025-07-25 2025-07-25 ok
gozccdm100.zoom.us 1 2025-07-26 2025-07-26 ok
godm100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
ca01peer100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
sa01peer100.zoom.us 1 2026-01-19 2026-01-19 nxdomain
dg01peer100.zoom.us 2 2025-07-25 2026-05-25 nxdomain
uk01peer100.zoom.us 4 2025-10-08 2026-08-09 nxdomain
us01peer100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
au01peer100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
eu01peer100.zoom.us 2 2025-07-26 2026-05-29 nxdomain
eu02peer100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
sa01zccpeer100.zoom.us 6 2025-10-12 2026-08-19 nxdomain
uk01zccpeer100.zoom.us 6 2025-10-08 2026-08-23 nxdomain
us01zccpeer100.zoom.us 1 2025-07-25 2025-07-25 ok
eu01zccpeer100.zoom.us 2 2025-08-23 2026-06-26 nxdomain
gozccpeer100.zoom.us 1 2025-07-26 2025-07-26 ok
gopeer100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
sa01prov100.zoom.us 1 2026-01-19 2026-01-19 nxdomain
dg01prov100.zoom.us 2 2025-07-25 2026-05-25 nxdomain
uk01prov100.zoom.us 4 2025-10-08 2026-08-09 nxdomain
us01prov100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
eu02prov100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01zccprov100.zoom.us 1 2025-07-25 2025-07-25 ok
gozccprov100.zoom.us 1 2025-07-26 2025-07-26 ok
goprov100.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01sbc200.zoom.us 2 2025-07-26 2026-05-29 nxdomain
gosbc200.zoom.us 9 2026-05-29 2026-10-04 nxdomain
us01dm200.zoom.us 2 2025-07-26 2026-05-29 nxdomain
godm200.zoom.us 9 2026-05-29 2026-10-04 nxdomain
us01peer200.zoom.us 2 2025-07-26 2026-05-29 nxdomain
gopeer200.zoom.us 9 2026-05-29 2026-10-04 nxdomain
us01prov200.zoom.us 2 2025-07-26 2026-05-29 nxdomain
goprov200.zoom.us 9 2026-05-29 2026-10-04 nxdomain
us01sbc300.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01zccsbc300.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01dm300.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01peer300.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01zccpeer300.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01prov300.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01sbc400.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01zccsbc400.zoom.us 2 2026-03-16 2026-08-01 nxdomain
us01dm400.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01peer400.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01zccpeer400.zoom.us 2 2026-03-16 2026-08-01 nxdomain
us01prov400.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01sbc500.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01zccsbc500.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01dm500.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01peer500.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01zccpeer500.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01prov500.zoom.us 1 2025-07-26 2025-07-26 nxdomain
us01sbc600.zoom.us 2 2025-07-26 2026-05-29 nxdomain
us01dm600.zoom.us 2 2025-07-26 2026-05-29 nxdomain
us01peer600.zoom.us 2 2025-07-26 2026-05-29 nxdomain
us01prov600.zoom.us 2 2025-07-26 2026-05-29 nxdomain
us01sbc700.zoom.us 2 2025-07-26 2026-05-29 nxdomain
us01zccsbc700.zoom.us 1 2026-02-22 2026-02-22 nxdomain
us01dm700.zoom.us 2 2025-07-26 2026-05-29 nxdomain
us01peer700.zoom.us 2 2025-07-26 2026-05-29 nxdomain
us01zccpeer700.zoom.us 1 2026-02-22 2026-02-22 nxdomain
us01prov700.zoom.us 2 2025-07-26 2026-05-29 nxdomain
xmpp010.zoom.us 4 2026-05-04 2026-10-03 ok
ca01sbc110.zoom.us 1 2025-07-26 2025-07-26 nxdomain
sa01sbc110.zoom.us 3 2026-05-07 2026-09-22 nxdomain
dg01sbc110.zoom.us 1 2026-02-07 2026-02-07 nxdomain
uk01sbc110.zoom.us 4 2025-10-08 2026-08-09 nxdomain
us01sbc110.zoom.us 1 2025-07-26 2025-07-26 nxdomain
au01sbc110.zoom.us 1 2025-07-26 2025-07-26 nxdomain
eu01sbc110.zoom.us 2 2025-07-26 2026-05-29 nxdomain
eu02sbc110.zoom.us 1 2025-07-25 2025-07-25 nxdomain
sa01zccsbc110.zoom.us 4 2025-10-12 2026-08-13 nxdomain
uk01zccsbc110.zoom.us 7 2025-10-08 2026-08-23 nxdomain
eu01zccsbc110.zoom.us 2 2025-08-23 2026-06-26 nxdomain
gozccsbc110.zoom.us 1 2025-07-26 2025-07-26 ok
uk01pbxintzppeersbc110.zoom.us 1 2025-10-08 2025-10-08 nxdomain

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/zoom.us.

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/zoom.us.