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.

29 hosts · 313 ms

HostCertsFirst seenLast seenDNS
nextnovate.com 8 2026-06-02 2026-10-01 ok
*.nextnovate.com 3 2026-06-09 2026-08-18 —
1pscimv2.nextnovate.com 33 2026-05-01 2026-10-04 ok
omoda.nextnovate.com 1 2026-09-10 2026-09-10 ok
cnc.nextnovate.com 4 2026-04-16 2026-10-04 ok
waf.nextnovate.com 3 2026-07-29 2026-09-20 ok
blog.nextnovate.com 12 2026-04-24 2026-08-20 ok
gemini.nextnovate.com 3 2026-05-24 2026-09-07 ok
internal.nextnovate.com 1 2026-08-25 2026-08-25 ok
*.internal.nextnovate.com 1 2026-08-25 2026-08-25 —
csm.nextnovate.com 1 2026-04-12 2026-04-12 nxdomain
gum.nextnovate.com 3 2026-07-14 2026-09-06 ok
*.gum.nextnovate.com 2 2026-07-14 2026-09-06 —
happeo.nextnovate.com 6 2026-04-20 2026-10-03 ok
watch.demo.nextnovate.com 3 2026-05-24 2026-09-08 ok
to.nextnovate.com 8 2026-04-24 2026-08-20 ok
shop.nextnovate.com 6 2026-05-04 2026-09-01 ok
books.nextnovate.com 10 2026-05-07 2026-09-04 ok
isms.nextnovate.com 1 2026-09-03 2026-09-03 ok
insights.nextnovate.com 5 2026-04-16 2026-09-20 ok
klant.nextnovate.com 5 2026-05-30 2026-09-27 ok
incident.nextnovate.com 1 2026-09-25 2026-09-25 ok
support.nextnovate.com 2 2026-03-25 2026-08-25 ok
customer.support.nextnovate.com 3 2026-03-25 2026-08-25 ok
whatsnext.nextnovate.com 5 2026-06-05 2026-10-03 ok
www.nextnovate.com 5 2026-06-02 2026-10-01 ok
sandbox.nextnovate.com 1 2026-08-25 2026-08-25 ok
*.sandbox.nextnovate.com 1 2026-08-25 2026-08-25 —
capacity.nextnovate.com 5 2026-06-06 2026-10-02 ok

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