It can be anything! An apex, subdomain, or even a URL.

Results fortest.ddcloud.trendmicro.com

www.test.ddcloud.trendmicro.com ddcloud.trendmicro.com trendmicro.com com

Registrar

Creation Date

DNSSEC

Domain Name	First seen	Still exists

Domain Name	First seen	Still exists
api-internal-test3.test.ddcloud.trendmicro.com	2023-04-17T08:55:06.626Z
api-internal-test4.test.ddcloud.trendmicro.com	2023-04-17T08:55:06.626Z
api-internal-test1.test.ddcloud.trendmicro.com	2023-04-17T08:55:06.626Z
api-internal-test2.test.ddcloud.trendmicro.com	2023-04-17T08:55:06.626Z
api-internal-en.test.ddcloud.trendmicro.com	2023-04-06T02:13:00.749Z
ericc.test.ddcloud.trendmicro.com	2021-11-12T03:03:36.365Z
test3.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
test4.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
azure.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
ddan.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
thanos.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
evan-az.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
evan.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
evan-y2-az.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
howie-az.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
howie.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
howie-y2.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
michelle-az.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
michelle.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
test2.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
tony.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
winterw.test.ddcloud.trendmicro.com	2021-10-25T07:22:41.822Z
azure-uae.test.ddcloud.trendmicro.com	2021-06-03T08:18:07.453Z
api.test.ddcloud.trendmicro.com	2019-11-18T05:53:14.909Z
*.test.ddcloud.trendmicro.com	2019-11-08T11:08:19.387Z