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.

48 hosts · 310 ms

HostCertsFirst seenLast seenDNS
nasafcu.com 4 2026-04-14 2026-09-28 ok
*.nasafcu.com 4 2026-04-14 2026-09-28 —
etime2.nasafcu.com 2 2025-09-08 2025-09-08 nxdomain
www.etime2.nasafcu.com 2 2025-09-08 2025-09-08 nxdomain
maildlp2.nasafcu.com 4 2026-04-09 2026-09-23 ok
accountsolutions-qa.nasafcu.com 1 2026-02-18 2026-02-18 nodata
*.accountsolutions-qa.nasafcu.com 1 2026-02-18 2026-02-18 —
hybrid.nasafcu.com 4 2025-07-14 2026-07-15 ok
www.hybrid.nasafcu.com 4 2025-07-14 2026-07-15 nxdomain
sterlingcube.nasafcu.com 2 2026-01-21 2026-01-22 nxdomain
www.sterlingcube.nasafcu.com 2 2026-01-21 2026-01-22 nxdomain
collcube.nasafcu.com 4 2026-01-21 2026-01-23 nxdomain
www.collcube.nasafcu.com 4 2026-01-21 2026-01-23 nxdomain
etime.nasafcu.com 2 2025-09-08 2025-09-08 nxdomain
ise.nasafcu.com 1 2025-10-24 2025-10-24 nodata
portal.nasafcu.com 1 2025-10-24 2025-10-24 nodata
visitorportal.nasafcu.com 1 2025-10-24 2025-10-24 nodata
mail.nasafcu.com 4 2025-07-14 2026-07-15 ok
my-admin.nasafcu.com 8 2026-04-21 2026-08-16 ok
aovpn.nasafcu.com 1 2025-11-24 2025-11-24 ok
www.aovpn.nasafcu.com 1 2025-11-24 2025-11-24 nxdomain
my-ip.nasafcu.com 8 2026-04-21 2026-08-16 ok
maildlp.nasafcu.com 4 2026-04-09 2026-09-23 ok
www.maildlp.nasafcu.com 4 2026-04-09 2026-09-23 nxdomain
symitar.nasafcu.com 2 2025-12-09 2026-01-27 nxdomain
www.symitar.nasafcu.com 2 2025-12-09 2026-01-27 nxdomain
autodiscover.nasafcu.com 4 2025-07-14 2026-07-15 ok
keeperautomator.nasafcu.com 2 2025-12-09 2026-01-21 nxdomain
www.keeperautomator.nasafcu.com 2 2025-12-09 2026-01-21 nxdomain
applycs.nasafcu.com 1 2026-05-11 2026-05-11 ok
advantagerewards.nasafcu.com 5 2026-04-22 2026-08-20 ok
cashrewards.nasafcu.com 5 2026-04-22 2026-08-20 ok
startrekrewards.nasafcu.com 5 2026-04-22 2026-08-20 ok
businessrewards.nasafcu.com 5 2026-04-22 2026-08-20 ok
*.accountsolutions.nasafcu.com 2 2025-07-20 2026-07-31 —
weblink.accountsolutions.nasafcu.com 2 2026-08-25 2026-08-25 nxdomain
mail-content.accountsolutions.nasafcu.com 2 2025-07-20 2026-07-31 ok
apps.nasafcu.com 2 2026-02-19 2026-02-23 ok
www.apps.nasafcu.com 2 2026-02-19 2026-02-23 nxdomain
investments.nasafcu.com 8 2026-04-22 2026-08-18 ok
*.ealerts.nasafcu.com 1 2025-12-27 2025-12-27 —
servicedeskplus.nasafcu.com 8 2026-04-16 2026-08-14 ok
*.enews.nasafcu.com 1 2025-12-14 2025-12-14 —
helpdesksupport.nasafcu.com 4 2026-03-30 2026-09-14 ok
www.helpdesksupport.nasafcu.com 4 2026-03-30 2026-09-14 nxdomain
mailsrv.nasafcu.com 4 2025-07-14 2026-07-15 nxdomain
mbrapply.nasafcu.com 1 2026-05-11 2026-05-11 ok
my.nasafcu.com 8 2026-04-21 2026-08-16 ok

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