Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

100 hosts (first page) · 267 ms

HostCertsFirst seenLast seen
serifdev.com 1 2025-11-26 2025-11-26
*.serifdev.com 2 2026-04-29 2026-09-29
gitlab.serifdev.com 1 2026-02-26 2026-02-26
*.pages.gitlab.serifdev.com 2 2026-04-29 2026-09-29
affinity-store.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinity-store.go2.future.serifdev.com 6 2025-10-21 2026-09-21
serif-link.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.serif-link.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinitybyserif-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinitybyserif-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinitybyserif-co-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinitybyserif-co-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinityphoto-co-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinityphoto-co-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinitypublisher-co-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinitypublisher-co-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinitydesigner-co-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinitydesigner-co-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinityspotlight-co-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinityspotlight-co-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinityspotlight-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinityspotlight-uk.go2.future.serifdev.com 6 2025-10-21 2026-09-21
serif-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
www-support-serif-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
press-affinity-serif-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.serif-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinitybyserif-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinitybyserif-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinityphoto-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinityphoto-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinitypublisher-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinitypublisher-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinitydesigner-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinitydesigner-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
go-seriflabs-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.go-seriflabs-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinityspotlight-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinityspotlight-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
macaffinity-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.macaffinity-com.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affin-co.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affin-co.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinityphoto-app.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinityphoto-app.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinitypublisher-app.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinitypublisher-app.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinitydesigner-app.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinitydesigner-app.go2.future.serifdev.com 6 2025-10-21 2026-09-21
affinity-app.go2.future.serifdev.com 6 2025-10-21 2026-09-21
*.affinity-app.go2.future.serifdev.com 6 2025-10-21 2026-09-21
page.service.future.serifdev.com 4 2026-03-19 2026-08-19
auth.service.future.serifdev.com 4 2026-03-04 2026-07-21
marketing-crm.service.future.serifdev.com 4 2025-07-23 2026-06-23
reviews.service.future.serifdev.com 4 2025-07-15 2026-06-15
content.service.future.serifdev.com 5 2025-09-14 2026-08-15
store.future.serifdev.com 3 2025-06-22 2026-05-23
spotlight.future.serifdev.com 4 2025-10-14 2026-09-14
www.spotlight.future.serifdev.com 2 2025-10-14 2026-09-14
affinity.future.serifdev.com 3 2025-06-22 2026-05-23
*.affinstack-staging.serifdev.com 2 2025-07-29 2025-07-29
*.local.serifdev.com 7 2026-06-05 2026-08-21
*.service.local.serifdev.com 7 2026-06-05 2026-08-21
page.service.php.serifdev.com 4 2026-03-22 2026-08-22
auth.service.php.serifdev.com 4 2026-03-23 2026-08-24
marketing-crm.service.php.serifdev.com 4 2025-07-13 2026-06-13
reviews.service.php.serifdev.com 4 2025-08-18 2026-07-19
content.service.php.serifdev.com 4 2025-09-14 2026-08-15
fonty.service.php.serifdev.com 2 2025-10-21 2025-10-21
store.php.serifdev.com 3 2025-06-19 2026-05-20
affinity.php.serifdev.com 3 2025-06-19 2026-05-20
satis.serifdev.com 1 2025-12-17 2025-12-17
*.test.serifdev.com 4 2026-06-11 2026-06-12
affinity-store.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.affinity-store.go2.test.serifdev.com 4 2025-11-04 2026-10-05
serif-link.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.serif-link.go2.test.serifdev.com 4 2025-11-04 2026-10-05
affinitybyserif-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.affinitybyserif-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
affinitybyserif-co-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.affinitybyserif-co-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
affinityphoto-co-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.affinityphoto-co-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
affinitypublisher-co-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.affinitypublisher-co-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
affinitydesigner-co-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.affinitydesigner-co-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
affinityspotlight-co-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.affinityspotlight-co-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
affinityspotlight-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.affinityspotlight-uk.go2.test.serifdev.com 4 2025-11-04 2026-10-05
serif-com.go2.test.serifdev.com 4 2025-11-04 2026-10-05
www-support-serif-com.go2.test.serifdev.com 4 2025-11-04 2026-10-05
press-affinity-serif-com.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.serif-com.go2.test.serifdev.com 4 2025-11-04 2026-10-05
affinitybyserif-com.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.affinitybyserif-com.go2.test.serifdev.com 4 2025-11-04 2026-10-05
affinityphoto-com.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.affinityphoto-com.go2.test.serifdev.com 4 2025-11-04 2026-10-05
affinitypublisher-com.go2.test.serifdev.com 4 2025-11-04 2026-10-05
*.affinitypublisher-com.go2.test.serifdev.com 4 2025-11-04 2026-10-05

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/serifdev.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/serifdev.com.