Threat intelligence
Subdomain inventory drift
Discovered subdomains weekly compared to the approved allow-list.
Awaiting next run
crt.sh unavailable
Checked 5/24/2026, 5:16:34 AM · Source: Continuous integration
Could not query the certificate-transparency log this run. Will retry next week. Per-domain: theartofcto.com: transient error artofcto.com: transient error
What this check means
An attacker who hijacks a forgotten subdomain can phish customers under a domain that looks legitimate. Weekly discovery scans identify every subdomain that resolves; any new subdomain not on our approved allow-list is investigated.
Recent runs
| When | Result | Source | |
|---|---|---|---|
| 5/24/2026, 5:16:34 AM | crt.sh unavailable | Continuous integration | |
| 5/17/2026, 5:14:10 AM | 6 subdomains, all approved | Continuous integration | |
| 5/10/2026, 5:09:37 AM | 6 subdomains, all approved | Continuous integration | |
| 5/3/2026, 10:05:04 PM | crt.sh unavailable | Continuous integration | |
| 5/3/2026, 9:46:47 PM | crt.sh unavailable | Continuous integration | |
| 5/3/2026, 9:40:37 PM | crt.sh unavailable | Continuous integration | |
| 5/3/2026, 5:05:35 AM | 5 subdomains, all approved | Continuous integration | |
| 5/2/2026, 2:14:22 PM | 6 subdomains, all approved | Continuous integration |
Need additional detail (sanitised report, supporting evidence)? security@theartofcto.com