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.

45 hosts · 362 ms

HostCertsFirst seenLast seenDNS
mge.com 1 2026-02-12 2026-02-12 ok
erp-01.mge.com 3 2025-08-04 2026-08-12 ok
www.erp-01.mge.com 3 2025-08-04 2026-08-12 nxdomain
micbapp001.mge.com 3 2025-08-06 2026-08-14 nxdomain
micollab.mge.com 3 2025-08-06 2026-08-14 ok
api-nonprod.mge.com 1 2026-02-12 2026-02-12 servfail
outage.mge.com 1 2026-02-12 2026-02-12 nxdomain
stgoutage.mge.com 1 2026-02-12 2026-02-12 nxdomain
tstoutage.mge.com 1 2026-01-29 2026-01-29 nxdomain
stg.mge.com 1 2026-02-12 2026-02-12 ok
wsstg.mge.com 1 2026-02-12 2026-02-12 ok
api.mge.com 1 2026-02-12 2026-02-12 ok
www.api.mge.com 1 2026-02-12 2026-02-12 servfail
gisportal.mge.com 1 2026-02-02 2026-02-02 ok
www.gisportal.mge.com 1 2026-02-02 2026-02-02 nxdomain
mail.mge.com 3 2025-08-16 2026-08-20 ok
eadmin.mge.com 1 2026-02-06 2026-02-06 ok
go.mge.com 4 2026-04-15 2026-09-02 ok
image.go.mge.com 8 2026-05-06 2026-09-23 ok
tracking.go.mge.com 4 2026-04-15 2026-09-02 ok
secureftp.mge.com 4 2025-08-16 2026-08-20 nxdomain
sftp.mge.com 4 2025-08-16 2026-08-20 ok
smtp.mge.com 3 2025-08-16 2026-08-20 nxdomain
mymeter.mge.com 5 2025-07-29 2026-07-17 ok
stgmymeter.mge.com 1 2026-02-12 2026-02-12 nxdomain
tstmymeter.mge.com 1 2026-01-29 2026-01-29 nxdomain
autodiscover.mge.com 3 2025-08-16 2026-08-20 ok
app.resources.mge.com 4 2026-04-15 2026-09-02 ok
myapps.mge.com 2 2025-08-05 2026-09-01 ok
www.myapps.mge.com 2 2025-08-05 2026-09-01 nxdomain
ws.mge.com 1 2026-02-12 2026-02-12 ok
connect.mge.com 2 2025-07-09 2026-06-25 ok
www.connect.mge.com 2 2025-07-09 2026-06-25 nxdomain
moveit.mge.com 4 2025-08-16 2026-08-20 ok
myaccount.mge.com 2 2026-02-06 2026-02-12 ok
tstmyaccount.mge.com 1 2026-01-29 2026-01-29 nxdomain
gisportaltest.mge.com 1 2026-01-26 2026-01-26 ok
www.gisportaltest.mge.com 1 2026-01-26 2026-01-26 nxdomain
tst.mge.com 1 2026-01-29 2026-01-29 ok
apitst.mge.com 1 2026-02-12 2026-02-12 ok
wstst.mge.com 1 2026-01-29 2026-01-29 ok
apidev.mge.com 1 2026-02-12 2026-02-12 ok
gisportaldev.mge.com 1 2026-01-19 2026-01-19 ok
www.gisportaldev.mge.com 1 2026-01-19 2026-01-19 nxdomain
www.mge.com 1 2026-02-12 2026-02-12 ok

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