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 · 410 ms

HostCertsFirst seenLast seenDNS
skinharmonics.com 6 2026-04-25 2026-08-25 ok
*.skinharmonics.com 9 2026-05-15 2026-09-14 —
www.opt80.skinharmonics.com 5 2026-05-15 2026-09-14 ok
www.opt90.skinharmonics.com 5 2026-05-15 2026-09-14 ok
www.version1.skinharmonics.com 5 2026-05-15 2026-09-14 ok
webdisk.skinharmonics.com 2 2026-04-25 2026-04-25 nxdomain
cpanel.skinharmonics.com 2 2026-04-25 2026-04-25 nxdomain
mail.skinharmonics.com 2 2026-04-25 2026-04-25 ok
webmail.skinharmonics.com 2 2026-04-25 2026-04-25 nxdomain
offer.skinharmonics.com 5 2026-05-16 2026-09-28 ok
autodiscover.skinharmonics.com 2 2026-04-25 2026-04-25 ok
server.skinharmonics.com 5 2026-05-17 2026-09-15 ok
ipv6.server.skinharmonics.com 5 2026-05-17 2026-09-15 nodata
autoconfig.server.skinharmonics.com 5 2026-05-17 2026-09-15 nodata
webdisk.server.skinharmonics.com 5 2026-05-17 2026-09-15 nodata
cpanel.server.skinharmonics.com 5 2026-05-17 2026-09-15 nodata
mail.server.skinharmonics.com 5 2026-05-17 2026-09-15 ok
webmail.server.skinharmonics.com 5 2026-05-17 2026-09-15 nodata
whm.server.skinharmonics.com 5 2026-05-17 2026-09-15 nodata
autodiscover.server.skinharmonics.com 5 2026-05-17 2026-09-15 nodata
cpcalendars.server.skinharmonics.com 5 2026-05-17 2026-09-15 nodata
cpcontacts.server.skinharmonics.com 5 2026-05-17 2026-09-15 nodata
www.server.skinharmonics.com 5 2026-05-17 2026-09-15 ok
www.embodiedharmonics.skinharmonics.com 5 2026-05-15 2026-09-14 ok
cpcalendars.skinharmonics.com 2 2026-04-25 2026-04-25 nxdomain
cpcontacts.skinharmonics.com 2 2026-04-25 2026-04-25 nxdomain
dev.skinharmonics.com 3 2026-06-09 2026-08-09 ok
www.dev.skinharmonics.com 3 2026-06-09 2026-08-09 ok
www.skinharmonics.com 2 2026-04-25 2026-04-25 ok

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