29,879 material changes across 23,492 domains
24h to ~4h ago
Provider, certificate, registration and reachability moves that matter, distilled from every scan across the tracked catalog in the last 24 hours. This is the day, in one number.
Watched-domain breakdown · 24h 83 DNS provider moves
32 reachability flips
6 hosting moves
3 registrar moves
1 certs expired unrenewed
514 domains changed DNS provider
Across the tracked catalog · most recent complete day (Sep 3)
Who runs resolution. A DNS move re-homes all of a domain’s traffic, and it is usually the first public sign of a re-platform.
No net movement between named providers in the watched flow map, which is a narrower read than the count above it.
0 domains switched email provider
Across the tracked catalog · most recent complete day (Sep 3)
Where the mail goes. An MX move changes which company receives every message sent to the domain, and migrations show up here first.
No net movement between named providers in the watched flow map, which is a narrower read than the count above it.
Watched domains None of them are on a watch list yet. Name a domain and every time it moves its mail you hear about it in minutes.
Watch a domain →
1 watched domain switched issuing CA
Watched + first-scan domains · last 24h · the catalog-wide reading is re-measuring
Who vouches for the TLS handshake. CA switches track CDN moves and platform changes, and a surprise switch on a domain you own is worth a look.
NOT REACHABLE ▼ 10 vs yesterday 610 curated domains not reachable
No response at all on the last probe: timed out, refused, or dead DNS. Movement against yesterday is the incident signal.
0.08% of 804,216 probed curated domains
600 timed out· 10 DNS failed
17,392 sites serving errors
Up, but broken: origins serving 5xx, roots that 404, TLS handshakes that fail.
2.2% of 804,216 probed curated domains
9,346 404 at root· 8,046 5xx origin error
79,534 throttled or blocked our scanner
Healthy sites running visible bot defense: they rate-limited or blocked the probe. A posture signal, not an outage.
9.9% of 804,216 probed curated domains run bot defense we can see
74,721 403 bot-block· 4,813 429 rate-limited