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) · 520 ms

HostCertsFirst seenLast seenDNS
ibbgb1.aibtest.ie 2 2025-07-31 2026-08-04 ok
external-testvenafi1.aibtest.ie 2 2026-06-16 2026-08-20 nxdomain
ibbft1.aibtest.ie 2 2025-07-31 2026-08-04 ok
auth-sit1.aibtest.ie 2 2025-06-27 2026-05-19 ok
aibgb2.aibtest.ie 3 2026-04-14 2026-06-25 ok
chatapi.aibgb2.aibtest.ie 1 2026-05-18 2026-05-18 ok
webchat.aibgb2.aibtest.ie 1 2026-05-18 2026-05-18 ok
aib2.aibtest.ie 4 2026-04-14 2026-06-11 ok
haven2.aibtest.ie 3 2026-04-14 2026-06-25 ok
group2.aibtest.ie 2 2026-04-14 2026-06-25 ok
ebs2.aibtest.ie 4 2026-04-14 2026-06-25 ok
feeds2.aibtest.ie 2 2026-04-14 2026-06-25 ok
business2.aibtest.ie 1 2026-04-14 2026-04-14 ok
auth-sit2.aibtest.ie 2 2025-06-27 2026-05-19 ok
globalsigntest1208.aibtest.ie 2 2026-08-12 2026-08-12 nxdomain
TeamsA1-TST.aibtest.ie 1 2026-02-24 2026-02-24 —
TeamsO1-TST.aibtest.ie 1 2026-02-24 2026-02-24 —
oa.aibtest.ie 3 2026-04-13 2026-04-13 ok
owa.aibtest.ie 3 2026-04-13 2026-04-13 ok
aib2b.aibtest.ie 1 2026-06-04 2026-06-04 nxdomain
aablab.aibtest.ie 1 2026-04-17 2026-04-17 ok
dbb.aibtest.ie 2 2025-07-31 2026-08-04 ok
ibb.aibtest.ie 2 2025-07-31 2026-08-04 ok
ibusinessbanking-gb.aibtest.ie 1 2026-04-21 2026-04-21 ok
auth-gb.aibtest.ie 2 2026-05-14 2026-06-15 ok
openbanking.auth-gb.aibtest.ie 3 2025-10-03 2026-10-01 ok
api-gb.aibtest.ie 3 2026-04-15 2026-07-06 ok
openapi-gb.aibtest.ie 3 2026-04-15 2026-07-06 ok
auth-sit-gb.aibtest.ie 2 2026-03-09 2026-05-15 ok
ibbgb.aibtest.ie 2 2025-07-31 2026-08-04 ok
dbbfxgb.aibtest.ie 1 2025-10-20 2025-10-20 ok
ibbfxgb.aibtest.ie 1 2025-06-26 2025-06-26 ok
api-ftb.aibtest.ie 3 2026-04-15 2026-07-06 ok
openapi-ftb.aibtest.ie 3 2026-04-15 2026-07-06 ok
aib2c.aibtest.ie 1 2026-06-04 2026-06-04 nxdomain
collab-edge.cc.aibtest.ie 6 2026-04-14 2026-04-14 nxdomain
collab-edge.uc.aibtest.ie 6 2026-04-14 2026-04-14 nxdomain
expea1-tst.vc.aibtest.ie 3 2026-04-14 2026-04-14 ok
expeo1-tst.vc.aibtest.ie 3 2026-04-14 2026-04-14 ok
expe1cluster-tst.vc.aibtest.ie 6 2026-04-14 2026-04-14 nxdomain
api-inbound.aibtest.ie 1 2026-05-20 2026-05-20 ok
testingvenafiupgrade.aibtest.ie 2 2025-08-28 2025-08-28 nxdomain
mymortgage.aibtest.ie 2 2026-05-20 2026-06-15 ok
collab-edge.aibtest.ie 6 2026-04-14 2026-04-14 nxdomain
digital-forms-mobile.aibtest.ie 3 2026-04-14 2026-06-11 ok
cofense.aibtest.ie 1 2025-11-04 2025-11-04 ok
akaspkhf.aibtest.ie 1 2026-05-18 2026-05-18 ok
akaspkazhf.aibtest.ie 2 2026-08-13 2026-08-13 ok
onlinebanking.aibtest.ie 2 2026-01-19 2026-06-15 ok
ni-onlinebanking.aibtest.ie 1 2026-06-15 2026-06-15 nxdomain
nionlinebanking.aibtest.ie 1 2026-05-07 2026-05-07 ok
auth.aibtest.ie 2 2026-05-14 2026-06-15 ok
wf-auth.aibtest.ie 4 2026-03-18 2026-09-28 ok
openbanking.auth.aibtest.ie 3 2025-10-03 2026-10-01 ok
external-testvenafi.aibtest.ie 3 2025-10-06 2026-06-16 nxdomain
ibb-ni.aibtest.ie 1 2026-04-21 2026-04-21 ok
ibusinessbanking-ni.aibtest.ie 1 2026-04-21 2026-04-21 ok
auth-ni.aibtest.ie 2 2026-05-14 2026-06-15 ok
openbanking.auth-ni.aibtest.ie 3 2025-10-03 2026-10-01 ok
auth-sit-ni.aibtest.ie 2 2026-03-09 2026-05-15 ok
ibbni.aibtest.ie 2 2025-07-31 2026-08-04 ok
aibni.aibtest.ie 3 2026-04-14 2026-06-25 ok
chatapi.aibni.aibtest.ie 1 2026-05-18 2026-05-18 ok
webchat.aibni.aibtest.ie 1 2026-05-18 2026-05-18 ok
dbbfxni.aibtest.ie 1 2025-10-20 2025-10-20 ok
ibbfxni.aibtest.ie 1 2025-06-26 2025-06-26 —
dbbfxroi.aibtest.ie 1 2025-10-20 2025-10-20 ok
ibbfxroi.aibtest.ie 1 2025-06-26 2025-06-26 ok
api.aibtest.ie 6 2025-07-02 2026-09-15 ok
openapi.aibtest.ie 3 2026-04-15 2026-07-06 ok
casapi.aibtest.ie 1 2026-01-28 2026-01-28 ok
chatapi.aibtest.ie 1 2026-05-18 2026-05-18 ok
api-sit-internal.aibtest.ie 6 2025-07-02 2026-09-15 ok
openapi-sit-internal.aibtest.ie 3 2026-04-15 2026-07-06 ok
api-staging-sandbox-internal.aibtest.ie 5 2025-07-02 2026-07-06 ok
mail.aibtest.ie 3 2026-04-13 2026-04-13 ok
tlsmail.aibtest.ie 1 2026-05-26 2026-05-26 ok
fxstream.aibtest.ie 1 2025-06-26 2025-06-26 —
testglobalsign.aibtest.ie 1 2025-07-08 2025-07-08 —
ibbthin.aibtest.ie 1 2026-04-21 2026-04-21 ok
remoteaccessvpn.aibtest.ie 2 2025-07-22 2026-07-09 ok
casapiA-demo.aibtest.ie 1 2026-04-02 2026-04-02 —
roi-tpp.aibtest.ie 1 2026-06-10 2026-06-10 nxdomain
roi-tpp-signer.aibtest.ie 1 2026-06-10 2026-06-10 nxdomain
api.partner.aibtest.ie 4 2025-07-02 2026-07-06 ok
openapi.partner.aibtest.ie 4 2025-07-02 2026-07-06 ok
aibgbonlinea-user.aibtest.ie 1 2026-04-02 2026-04-02 nxdomain
nionlinea-user.aibtest.ie 1 2026-04-02 2026-04-02 nxdomain
ukonlinea-user.aibtest.ie 1 2026-04-02 2026-04-02 ok
aibgbonlineb-user.aibtest.ie 1 2026-04-02 2026-04-02 ok
nionlineb-user.aibtest.ie 1 2026-04-02 2026-04-02 ok
ukonlineb-user.aibtest.ie 1 2026-04-02 2026-04-02 ok
aibgbonlinec-user.aibtest.ie 1 2026-04-02 2026-04-02 ok
nionlinec-user.aibtest.ie 1 2026-04-02 2026-04-02 ok
ukonlinec-user.aibtest.ie 1 2026-04-02 2026-04-02 ok
aibgbonlined-user.aibtest.ie 1 2026-04-02 2026-04-02 nxdomain
nionlined-user.aibtest.ie 1 2026-04-02 2026-04-02 nxdomain
ukonlined-user.aibtest.ie 1 2026-04-02 2026-04-02 ok
AutoDiscover.aibtest.ie 3 2026-04-13 2026-04-13 —
auth-ebs.aibtest.ie 2 2026-05-14 2026-06-15 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/aibtest.ie.

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/aibtest.ie.