smtp[.]ak-uc[.]ru

As of July 25, 2026, the domain smtp.ak-uc.ru is flagged as a generic phishing domain with an elevated risk level. The domain was taken offline and currently resolves to the IP address 193.105.134.30, which is located in Sweden under the Autonomous System Number (ASN) AS42237, operated by w1n ltd. The domain's nameservers are ns1.regerey.com and ns2.regerey.com, and it is registered through the registrar REGRU-RU.

smtp.ak-uc.ru was created on September 1, 2025, and does not possess an SSL certificate, indicating a lack of secure, encrypted connections. The domain appears on one security blocklist, specifically PhishDestroy, and has a Gridinsoft trust score of 0 out of 100, which is the lowest possible score, suggesting a high level of risk. When accessed, the page title displays '502 Bad Gateway,' indicating that the server is unable to process the request, likely due to the domain being taken offline.

Analysis indicates that 9 out of 95 security vendors have flagged this domain as malicious, providing further evidence of its potential involvement in phishing activities. Given the domain’s current offline status and its presence on security blocklists, defenders should ensure that their systems are configured to block access to smtp.ak-uc.ru and monitor for any related malicious traffic. Additionally, it is advisable to educate users about the risks associated with this domain and to report any suspicious activity to the appropriate security teams.