Yes. You can verify any @Bk.ru address in real time with a direct SMTP handshake that provides 99.7% accuracy. Bk.ru is operated by VK Group, runs 1 mail server, enforces 3 of 3 authentication standards, and is currently responding to SMTP.
Every check returns one of three clear outcomes so you know exactly what to do with the address.
The mailbox exists and accepts mail. Send with confidence, the address is deliverable.
The mailbox does not exist, is disposable, or will hard-bounce. Remove it to protect your sender reputation.
The server is catch-all or greylisting, so existence cannot be confirmed. Send selectively and watch engagement.
bk.ru publishes 1 MX record. The primary mail exchanger is mxs.mail.ru, hosted by Mail.ru, and it is currently reachable and answering SMTP. Mail is routed through these servers in priority order, lowest number first.
| Priority | Hostname | IP | Status |
|---|---|---|---|
| 10 | mxs.mail.ru | 217.69.139.150 | Reachable |
220 mxs.mail.ru ESMTP ready (Looking for Mail for your domain? Visit https://biz.mail.ru)Yes. bk.ru is a valid email provider, operated by VK Group. Addresses are persistent and real mail reaches a genuine recipient. Individual mailboxes still go stale, so verify each one before you send.
A live SMTP handshake connects to Bk.ru's mail server and asks whether the mailbox exists using the RCPT TO command, without ever transmitting a message. The recipient never sees the check.
Each address runs through 30+ checks including SMTP existence, catch-all detection, role-account filtering, and disposable matching. The same engine has verified billions of addresses since 2012.
Every unverified address is a gamble. Here is what happens when you skip verification and mail a list that has not been cleaned.
Free inboxes get abandoned constantly. Verification drops the dead bk.ru mailboxes before you mail them.
Mistyped bk.ru addresses fail a real SMTP check, so they never turn into a hard bounce.
A clean list keeps your bounce rate low, and a low bounce rate is what protects inbox placement on a big send.
Mailing only live bk.ru addresses raises every rate that matters: opens, clicks, and replies.
Bk.ru is VK Group, registered through RU-CENTER-RU and first seen Apr 15, 1998.
bk.ru is a free email domain operated by VK Group (formerly Mail.Ru Group), Russia's largest internet company headquartered in Moscow. bk.ru is one of several email domains in the Mail.Ru ecosystem, offering standard webmail features, cloud storage integration, and mobile app access to Russian-speaking users worldwide.
bk.ru shares Mail.Ru's authentication infrastructure, supporting SPF, DKIM, and DMARC for outbound messages. VK Group enforces robust anti-spam policies across all its email domains and actively monitors for phishing and spoofing attempts targeting its users.
The bk.ru mail servers use Mail.Ru's centralized infrastructure for recipient verification, rejecting messages to nonexistent addresses at the SMTP level. The domain does not operate as a catch-all. Rate limiting is enforced based on sender reputation, with VK Group's systems being particularly cautious about mail from unfamiliar international senders.
When sending to bk.ru users, ensure your domain has valid SPF and DKIM records. VK Group participates in feedback loop programs, so register for complaint notifications if available. Warm up new sending IPs gradually, maintain clean lists, and ensure proper encoding (UTF-8) for messages containing Cyrillic characters.
Upload a CSV or TXT list of Bk.ru addresses to the bulk email verifier. Every address runs through a live SMTP handshake plus catch-all, role-account and disposable detection, and you download a clean list when processing completes. For real-time checks at signup, use the real-time email verification API.
CSV or TXT with one email per line. No formatting needed.
Each Bk.ru address is checked with a live server handshake.
Get a verified list with status codes, risk flags, and catch-all detection.
Pay as you go. No subscriptions, and credits never expire.
Everything about verifying email at this domain.
Yes, bk.ru is a valid free email domain operated by VK Group. It provides permanent email accounts to users.
No, bk.ru is not a disposable or temporary email provider. It offers permanent email accounts with standard email features.
bk.ru uses mail servers operated by VK Group. Check the MX records section above for specific server details.
Yes, with proper opt-in consent. Follow email best practices and ensure SPF, DKIM, and DMARC authentication is configured for your sending domain.
Use BulkEmailChecker to verify bk.ru addresses via SMTP checks. Verification behavior varies by provider. Our tool handles provider-specific rate limiting automatically.
Upload a CSV or TXT list to the bulk email verifier. Every address runs through 30+ checks including SMTP existence, catch-all detection, role-account, and disposable matching. Processing time depends on list size.
99.7% accurate using a direct SMTP handshake with bk.ru's mail servers, the same engine that has verified billions of addresses since 2012.
Other free email provider domains we have audited.