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.

41 hosts · 247 ms

HostCertsFirst seenLast seenDNS
azul.com.do 2 2026-06-02 2026-06-02 ok
*.azul.com.do 42 2026-02-12 2026-09-28 —
ftp1.azul.com.do 2 2026-02-24 2026-02-24 ok
www.ftp1.azul.com.do 2 2026-02-24 2026-02-24 nxdomain
pos2.azul.com.do 2 2026-02-23 2026-02-23 ok
www.pos2.azul.com.do 2 2026-02-23 2026-02-23 nxdomain
pruebas3.azul.com.do 1 2026-02-23 2026-02-23 ok
www.pruebas3.azul.com.do 1 2026-02-23 2026-02-23 nxdomain
pruebas5.azul.com.do 1 2026-03-17 2026-03-17 ok
AZUL.MAM.PROD.azul.com.do 1 2026-02-23 2026-02-23 —
*.mam.prod.azul.com.do 41 2026-02-12 2026-09-28 —
apiprod.azul.com.do 1 2026-02-11 2026-02-11 ok
www.apiprod.azul.com.do 1 2026-02-11 2026-02-11 nxdomain
ecommerce.azul.com.do 1 2026-06-06 2026-06-06 ok
www.ecommerce.azul.com.do 1 2026-06-06 2026-06-06 nxdomain
api.azul.com.do 2 2026-02-23 2026-02-23 ok
www.api.azul.com.do 2 2026-02-23 2026-02-23 nxdomain
portal.azul.com.do 2 2025-08-14 2026-07-17 ok
www.portal.azul.com.do 2 2025-08-14 2026-07-17 nxdomain
tvirtual.azul.com.do 1 2026-02-23 2026-02-23 ok
www.tvirtual.azul.com.do 1 2026-02-23 2026-02-23 nxdomain
mamcl.azul.com.do 2 2026-08-18 2026-08-18 ok
mam.azul.com.do 1 2026-06-02 2026-06-02 ok
phostoken.azul.com.do 1 2026-02-24 2026-02-24 ok
www.phostoken.azul.com.do 1 2026-02-24 2026-02-24 nxdomain
publico.azul.com.do 2 2026-06-02 2026-06-02 ok
donar.azul.com.do 1 2026-09-04 2026-09-04 ok
codigoqr.azul.com.do 1 2026-02-23 2026-02-23 ok
www.codigoqr.azul.com.do 1 2026-02-23 2026-02-23 nxdomain
pruebas.azul.com.do 2 2026-02-06 2026-02-06 ok
www.pruebas.azul.com.do 2 2026-02-06 2026-02-06 nxdomain
donaciones.azul.com.do 1 2026-09-04 2026-09-04 ok
pagos.azul.com.do 2 2026-02-02 2026-02-02 ok
www.pagos.azul.com.do 2 2026-02-02 2026-02-02 nxdomain
contpagos.azul.com.do 2 2026-02-02 2026-02-02 nxdomain
www.contpagos.azul.com.do 2 2026-02-02 2026-02-02 nxdomain
pos.azul.com.do 1 2026-02-23 2026-02-23 ok
www.pos.azul.com.do 1 2026-02-23 2026-02-23 nxdomain
dev.azul.com.do 2 2025-09-19 2026-09-04 ok
www.dev.azul.com.do 1 2025-09-19 2025-09-19 nxdomain
www.azul.com.do 2 2026-06-02 2026-06-02 ok

Programmatic access, with DNS A records: API GET /v1/hosts/azul.com.do (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/azul.com.do.