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.

16 hosts · 293 ms

HostCertsFirst seenLast seenDNS
metlife.com.cy 5 2025-12-12 2026-09-11 ok
ismet-testsm.metlife.com.cy 2 2026-05-05 2026-05-05 nxdomain
ssologin.metlife.com.cy 2 2025-12-31 2026-05-15 ok
qa.ssologin.metlife.com.cy 1 2025-12-10 2025-12-10 ok
ismet-admin.metlife.com.cy 3 2026-01-02 2026-09-17 nxdomain
ismet-eap.metlife.com.cy 10 2025-12-15 2026-08-07 ok
eclaims.metlife.com.cy 33 2025-06-18 2026-09-17 ok
ismet.metlife.com.cy 12 2025-12-15 2026-09-17 ok
ismet-eap-test.metlife.com.cy 1 2026-01-22 2026-01-22 nxdomain
ismet-admin-test-next.metlife.com.cy 14 2026-01-22 2026-09-29 ok
ismet-eap-test-next.metlife.com.cy 1 2026-01-22 2026-01-22 ok
ismet-test-next.metlife.com.cy 14 2026-01-22 2026-09-29 ok
www.metlife.com.cy 8 2025-07-22 2026-09-08 ok
greenap.www.metlife.com.cy 2 2025-10-14 2025-10-14 nxdomain
greenus.www.metlife.com.cy 2 2025-10-14 2025-10-14 nxdomain
my.metlife.com.cy 13 2026-05-20 2026-09-17 ok

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