Incoming mail routing
See the visible provider or gateway a domain routes email through.
Domain infrastructure in motion
The change
is the signal.
See when a domain's mail, sending or web setup changes. Keep the evidence before and after, and distinguish a first observation from a new appearance.
What a record can tell you
Different records.
Different meanings.
Sending & verification
Observe sender authorization and verification markers as separate evidence.
Web & DNS routing
Track changes in hostnames, platforms and authoritative nameservers.
Observed, then published
Technology signals
dmarc policy
DMARC policy
6 observed domains
domain verification
Google domain verification
6 observed domains
domain verification
Zoom domain verification
4 observed domains
domain verification
Atlassian domain verification
3 observed domains
spf authorization
Google sender authorization
3 observed domains
mx routing
Google Workspace MX
3 observed domains
A history that survives the gap
Appeared. Disappeared.
Returned.
Repeated successful observations make changes visible. Temporary DNS errors retain the previous confirmed state, so an outage does not become a false disappearance.
Read the field note- 01 / Establish
- First observation becomes the baseline.
- 02 / Compare
- Successful checks reveal a change.
- 03 / Retain
- Before, after and query outcomes stay in history.