Cloudflare Gateway DNS-over-TLS Connectivity Issues over IPv4

Timeline

1. 22:12 UTC Cloudflare status page · Reported Cloudflare Gateway DNS-over-TLS Connectivity Issues over IPv4
2. 22:12 UTC Cloudflare status page · Investigating Cloudflare is investigating an issue affecting Cloudflare Gateway DNS-over-TLS (DoT) connections over IPv4. Affected customers may experience connection timeouts and failed DNS resolution. This issue is limited to DoT over IPv4. DoT over IPv6, DNS-over-HTTPS (DoH), and standard DNS over UDP/TCP are not affected. We are working to identify the cause and restore connectivity. Further updates will be provided as more information becomes available.
3. 22:13 UTC Site Qwality checks · Degraded Official status: Cloudflare Gateway DNS-over-TLS Connectivity Issues over IPv4
4. 00:23 UTC Cloudflare status page · Monitoring Our team has been able to identify and apply an effective fix for this issue. We are currently monitoring the results.