Incident Date: January 19, 2020
Incident Number: PR-839
On January 19 at 2:33 AM ET, Tucows’ domain platform experienced intermittent issues with the Domain Name System (DNS). The service degradation was due to a DDoS attack.
Tucows Engineering teams mitigated the issue by blocking the offending traffic. Due to the continuous changes in the attack patterns, Tucows had to continuously amend the rules to block the new traffic.
At 3:49 PM ET, the traffic subsided and the DNS services recovered.
Tucows is to continue working with existing vendors to improve DDoS mitigation services to address and rectify DDoS attacks in a timely manner.
Tucows is to revise the DNS architecture to further improve the overall security against malicious traffic.
Thank you,
Tucows Engineering Team