Registered 27 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 1058 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 77.88.44.242 5.255.255.242 77.88.55.242 |
|---|---|
| AAAA | 2a02:6b8::2:242 |
| MX | 10 mx.yandex.ru |
| NS | ns1.yandex.ru ns2.yandex.ru |
| TXT | v=spf1 redirect=_spf.yandex.ru _globalsign-domain-verification=qjFxNNmRH4rb6bGzKumLGfvUDFbt4qnDUZFLsulCzj google-site-verification=SVTEeUiCU4KV-5qGw4o4JPok7mfsP8NtQTIdN6tt6Nw e1c8e4dd3d13fad0dd9e8ed54a1813ececd3d5412fb16c4ed2c0612332950fe |
| registrar | RU-CENTER-RU |
|---|---|
| registered | 1999-07-12 |
| nameservers | ns1.yandex.ru. ns2.yandex.ru. |
| valid | yes |
|---|---|
| issuer | GlobalSign nv-sa |
| covers | *.yandex.by, yandex.com, *.yandex.com, xn--d1acpjx3f.xn--p1ai, *.xn--d1acpjx3f.xn--p1ai, ya.ru, *.ya.ru, yandex.by |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | warning v=spf1 redirect=_spf.yandex.ru |
|---|---|
| DMARC | warning policy none |
| 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 ya.ru.
Reference: /llms.txt.
Watch ya.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