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.

100 hosts (first page) · 400 ms

HostCertsFirst seenLast seenDNS
lifelock.com 8 2025-11-13 2026-09-04 ok
*.lifelock.com 7 2025-07-23 2026-08-24 —
sehf4.lifelock.com 2 2026-05-20 2026-05-21 ok
url8018.lifelock.com 2 2025-07-31 2026-07-01 ok
tucanada.lifelock.com 2 2026-04-10 2026-09-10 ok
int-tucanada.lifelock.com 3 2026-04-13 2026-09-13 ok
ida.lifelock.com 1 2025-12-07 2025-12-07 ok
int-ida.lifelock.com 2 2025-10-23 2026-09-23 ok
constella.lifelock.com 2 2025-07-28 2026-06-28 ok
int-constella.lifelock.com 2 2025-07-07 2026-06-07 ok
memberportal-beta.lifelock.com 2 2025-09-03 2026-08-03 nodata
dc.lifelock.com 3 2026-05-13 2026-05-22 ok
plaid.lifelock.com 1 2025-11-12 2025-11-12 ok
int2-plaid.lifelock.com 1 2025-06-24 2025-06-24 nxdomain
int-plaid.lifelock.com 4 2025-06-23 2026-06-08 ok
marketplace.lifelock.com 16 2026-06-03 2026-09-30 ok
*.marketplace.lifelock.com 17 2026-01-06 2026-09-30 —
nlokcompliance.lifelock.com 1 2026-05-05 2026-05-05 nxdomain
yodlee.lifelock.com 2 2025-08-20 2026-07-21 ok
int-yodlee.lifelock.com 2 2025-06-15 2026-05-16 ok
store.lifelock.com 1 2025-12-22 2025-12-22 ok
prod1-fe-webstore.lifelock.com 1 2025-12-22 2025-12-22 ok
secure.lifelock.com 2 2025-09-03 2026-08-03 ok
sd-ai.lifelock.com 2 2026-08-24 2026-08-24 nodata
chefci.lifelock.com 1 2025-12-23 2025-12-23 nxdomain
prod1-fe-memex-api.lifelock.com 2 2026-04-27 2026-09-27 ok
yodleeuk.lifelock.com 1 2025-11-16 2025-11-16 ok
int-yodleeuk.lifelock.com 2 2026-04-24 2026-09-24 ok
transfer-internal.lifelock.com 2 2026-03-18 2026-09-14 nxdomain
stage-transfer-internal.lifelock.com 1 2026-03-11 2026-03-11 nxdomain
portal.lifelock.com 2 2025-09-03 2026-08-03 ok
memberportal.lifelock.com 2 2025-09-03 2026-08-03 ok
prod1-fe-memberportal.lifelock.com 2 2025-09-03 2026-08-03 ok
image.email.lifelock.com 2 2026-03-19 2026-09-20 ok
int-experian.lifelock.com 4 2025-09-04 2026-08-10 ok
cdn.lifelock.com 3 2026-03-05 2026-09-01 ok
dc-np.lifelock.com 1 2026-05-22 2026-05-22 ok
agentdesktop.lifelock.com 1 2025-12-15 2025-12-15 ok
stage-agentdesktop.lifelock.com 3 2025-09-22 2026-08-23 ok
dev-agentdesktop.lifelock.com 3 2025-09-21 2026-08-22 nodata
4iq.lifelock.com 2 2025-07-14 2026-06-14 ok
int-4iq.lifelock.com 2 2025-07-05 2026-06-05 ok
member.lifelock.com 2 2025-09-03 2026-08-03 ok
transfer.lifelock.com 2 2026-03-18 2026-09-14 ok
stage-transfer.lifelock.com 1 2026-03-11 2026-03-11 ok
vrr.lifelock.com 1 2026-10-06 2026-10-06 nodata
techops-jenkins.lifelock.com 1 2025-12-18 2025-12-18 nxdomain
ent-jenkins.lifelock.com 2 2026-03-23 2026-10-07 nxdomain
int-tucan-alerts.lifelock.com 3 2026-04-13 2026-09-13 ok
*.prod.aws.lifelock.com 8 2025-07-08 2026-10-04 —
prod1-ppia.prod.aws.lifelock.com 3 2026-08-11 2026-08-19 nxdomain
prod1-green-ppia.prod.aws.lifelock.com 2 2026-08-20 2026-08-20 ok
prod1-pa-fe-spa.prod.aws.lifelock.com 2 2025-08-06 2026-07-07 nxdomain
partners-api-b.prod.aws.lifelock.com 3 2025-10-14 2026-09-14 ok
prod1-fe-partners-api-b.prod.aws.lifelock.com 3 2025-10-14 2026-09-14 ok
prod1-fe-memex-api-b.prod.aws.lifelock.com 4 2025-08-13 2026-08-09 nxdomain
prod1-dp-4iq-alrt-nlb.prod.aws.lifelock.com 2 2025-07-28 2026-06-28 nxdomain
prod1-fe-webstore.prod.aws.lifelock.com 1 2025-12-22 2025-12-22 ok
prod1-fe-slate.prod.aws.lifelock.com 2 2026-03-14 2026-08-14 ok
prod1-sd-ai.prod.aws.lifelock.com 2 2026-08-24 2026-08-24 nxdomain
partners-api.prod.aws.lifelock.com 1 2026-01-06 2026-01-06 ok
prod1-fe-partners-api.prod.aws.lifelock.com 1 2026-01-06 2026-01-06 ok
prod1-dp-4iq-alrt-api.prod.aws.lifelock.com 2 2025-07-28 2026-06-28 ok
prod1-fe-memex-api.prod.aws.lifelock.com 6 2025-08-13 2026-09-27 nxdomain
prod1-fe-fw-memex-api.prod.aws.lifelock.com 1 2026-01-14 2026-01-14 nxdomain
prod1-fe-memberportal.prod.aws.lifelock.com 2 2025-09-03 2026-08-03 ok
litellm.prod.aws.lifelock.com 2 2025-08-29 2026-07-30 ok
prod1-dp-plaid-txm.prod.aws.lifelock.com 1 2025-11-12 2025-11-12 nxdomain
demo.prod.aws.lifelock.com 2 2025-08-20 2026-07-21 ok
prod1-fe-agentdesktop.prod.aws.lifelock.com 1 2025-12-15 2025-12-15 nxdomain
prod1-fe-dsp.prod.aws.lifelock.com 3 2025-08-21 2026-08-09 ok
prod1-green-fe-dsp.prod.aws.lifelock.com 3 2025-08-21 2026-08-09 ok
tools.prod.aws.lifelock.com 2 2025-08-20 2026-07-21 ok
prod1-fe-cct.prod.aws.lifelock.com 2 2025-09-02 2026-08-02 ok
prod1-green-fe-cct.prod.aws.lifelock.com 2 2025-09-03 2026-08-03 nxdomain
pki-int.prod.aws.lifelock.com 1 2026-05-14 2026-05-14 nxdomain
prod1-dp-ida-alrt.prod.aws.lifelock.com 1 2025-12-07 2025-12-07 nxdomain
prod1-dp-ydluk-alrt.prod.aws.lifelock.com 1 2025-11-16 2025-11-16 nxdomain
prod1-dp-ydl-alrt.prod.aws.lifelock.com 2 2025-08-20 2026-07-21 nxdomain
prod1-dp-4iq-alrt.prod.aws.lifelock.com 2 2025-07-14 2026-06-14 nxdomain
prod1-dp-tucacralrt.prod.aws.lifelock.com 2 2026-04-10 2026-09-10 nxdomain
prod1-dp-tucralrt.prod.aws.lifelock.com 2 2025-07-13 2026-06-13 nxdomain
prod1-dp-efxrtalrt.prod.aws.lifelock.com 3 2025-10-22 2026-09-22 nxdomain
prod1-pa-fe-spa-ext.prod.aws.lifelock.com 2 2025-08-06 2026-07-07 ok
prod1-fe-memex-api-b-ext.prod.aws.lifelock.com 4 2025-08-13 2026-08-09 ok
fw.prod1-fe-memex-api-b-ext.prod.aws.lifelock.com 1 2025-12-08 2025-12-08 nxdomain
prod1-rd-bm-blkmgic-ext.prod.aws.lifelock.com 2 2025-08-17 2026-07-18 ok
prod1-rd-ui-me-ext.prod.aws.lifelock.com 2 2025-08-17 2026-07-18 ok
prod1-rd-be-api-ext.prod.aws.lifelock.com 2 2025-08-17 2026-07-18 ok
prod1-rd-ui-api-ext.prod.aws.lifelock.com 2 2025-08-17 2026-07-18 ok
prod1-fe-memex-api-ext.prod.aws.lifelock.com 6 2025-08-13 2026-09-27 ok
csr.prod1-fe-memex-api-ext.prod.aws.lifelock.com 2 2025-09-10 2026-08-11 ok
fw.prod1-fe-memex-api-ext.prod.aws.lifelock.com 1 2025-11-12 2025-11-12 nxdomain
csr.prod1-b-fe-memex-api-ext.prod.aws.lifelock.com 2 2025-10-30 2026-09-30 ok
prod1-fe-fw-memex-api-ext.prod.aws.lifelock.com 1 2026-01-14 2026-01-14 ok
prod1-dp-plaid-txm-ext.prod.aws.lifelock.com 1 2025-11-12 2025-11-12 ok
prod1-rd-ui-admin-ext.prod.aws.lifelock.com 2 2025-08-17 2026-07-18 ok
prod1-fe-agentdesktop-ext.prod.aws.lifelock.com 1 2025-12-15 2025-12-15 ok
prod1-rd-tms-tms-ext.prod.aws.lifelock.com 2 2025-08-17 2026-07-18 nxdomain
prod1-dp-ida-alrt-ext.prod.aws.lifelock.com 1 2025-12-07 2025-12-07 ok

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/lifelock.com.

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/lifelock.com.