Registered 25 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 1279 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 95.163.218.220 |
|---|---|
| AAAA | 2a00:b4c0:9100:b000::1:b0 |
| MX | 10 emx.mail.ru |
| NS | ns2.mail.ru ns1.mail.ru |
| TXT | HARICA-2jAI3HyTrAot8qKQfyk _globalsign-domain-verification=cH6yooynQIEMCm5q0ZI_zdx1JDUpA3t6tLLCupTaFl yandex-verification: 1d9ecd817a647a1f yandex-verification: fdfc71b87280ddfb HARICA-TmXYkd9JS0rYRVCUdTP google-site-verification=IRlvaJA-WdmbZODuCN7DI_5wWm8CEPfYRdDVhwD_27Q _globalsign-domain-verification=mRLVFszXGRAFQd2B_2oK0ivc9l7b0q5tykxcUPNwH4 HARICA-4ADUGCXKniBqOdcUs42 mailru-verification: 6199e899d08e90d8 yandex-verification: cfa581ef67bd92ea v=spf1 redirect=_spf.mail.ru |
| registrar | RU-CENTER-RU |
|---|---|
| registered | 2001-08-21 |
| nameservers | ns1.mail.ru. ns2.mail.ru. |
| valid | yes |
|---|---|
| issuer | Hellenic Academic and Research Institutions CA |
| covers | *.dzen.ru, dzen.ru |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | warning v=spf1 redirect=_spf.mail.ru |
|---|---|
| DMARC | pass policy quarantine |
| DKIM | found: mail |
Whether mail claiming to be from this domain can be checked as genuine.
Green: clean. Red: listed. Grey: the list did not answer.
Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.
MCP: add https://how.is/mcp to Claude, Codex or Cursor
(one-line install) and ask for domain_trust on dzen.ru.
Reference: /llms.txt.
Watch dzen.ru. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.
Watch — $1 / 30 days