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.

34 hosts · 438 ms

HostCertsFirst seenLast seenDNS
asphalte.com 5 2026-04-28 2026-08-26 ok
hod.asphalte.com 5 2026-06-02 2026-09-30 ok
load.hod.asphalte.com 8 2026-05-25 2026-09-20 ok
parrainage.asphalte.com 4 2026-04-18 2026-08-30 ok
dev.parrainage.asphalte.com 4 2026-04-14 2026-08-27 ok
frigg.asphalte.com 4 2026-04-21 2026-09-04 ok
dev.frigg.asphalte.com 4 2026-04-08 2026-08-23 ok
verdandi.asphalte.com 1 2026-08-31 2026-08-31 ok
loki.asphalte.com 7 2026-05-06 2026-09-19 ok
dev.loki.asphalte.com 4 2026-04-10 2026-08-24 ok
gullfaxi.asphalte.com 7 2026-05-21 2026-10-02 ok
dev.gullfaxi.asphalte.com 5 2026-05-02 2026-09-11 ok
trk.asphalte.com 13 2026-06-02 2026-09-29 ok
odin.asphalte.com 5 2026-04-21 2026-09-01 ok
hugin.asphalte.com 4 2026-05-25 2026-07-31 ok
munin.asphalte.com 4 2026-04-21 2026-09-03 ok
notification.asphalte.com 4 2026-04-10 2026-08-20 ok
help.asphalte.com 14 2026-05-29 2026-09-24 ok
clever-baldr.asphalte.com 5 2026-04-28 2026-09-12 ok
fr.asphalte.com 15 2026-05-21 2026-09-25 ok
sleipnir.asphalte.com 5 2026-05-02 2026-09-14 ok
ratatoskr.asphalte.com 3 2026-07-08 2026-09-14 ok
metrics.asphalte.com 5 2026-04-14 2026-09-25 ok
www.metrics.asphalte.com 5 2026-04-19 2026-10-02 ok
polaires.asphalte.com 1 2026-09-21 2026-09-21 ok
avis.asphalte.com 4 2026-04-12 2026-08-25 ok
forms.asphalte.com 1 2026-08-25 2026-08-25 ok
retours.asphalte.com 4 2026-04-14 2026-08-12 ok
account.asphalte.com 5 2026-04-18 2026-09-01 ok
bifrost.asphalte.com 3 2026-06-08 2026-08-14 ok
eu.asphalte.com 15 2026-05-23 2026-10-02 ok
dev.asphalte.com 12 2026-05-21 2026-10-02 ok
bifrost-dev.asphalte.com 6 2026-05-12 2026-09-24 ok
www.asphalte.com 5 2026-04-28 2026-08-26 ok

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