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Email infrastructure of 21vek.by

According to Live Direct Marketing's daily DNS scan (July 13, 2026), 21vek.by (Tranco rank #8,770) receives mail via Yandex 360 and sends through SMTP.BZ, Mindbox, UniSender. Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Yandex 360
ESPs in SPFSMTP.BZ, Mindbox, UniSender
SaaS senders in SPFnone detected
DMARC policyp=quarantine
DMARC recordv=DMARC1; p=quarantine; adkim=r; aspf=r; rf=afrf; pct=100; rua=mailto:servicemail@21vek.by; ruf=mailto:servicemail@21vek.by;
Tranco rank#8,770
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does 21vek.by use?

21vek.by uses Yandex 360 for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

What ESP does 21vek.by use?

21vek.by authorises SMTP.BZ, Mindbox, UniSender in its SPF record as of July 13, 2026.

Does 21vek.by enforce DMARC?

Partially — 21vek.by publishes p=quarantine (as of July 13, 2026).

DNS records say who should deliver your mail — they don't say whether it lands in the inbox. Run a free inbox placement test for 21vek.by at Gmail, Outlook, Yandex and Mail.ru.
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