Registered 30 years ago, valid HTTPS, the site answered 200 in 615 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 185.12.152.144 |
|---|---|
| MX | 30 mx1-ksmg.1c.ru 20 relay.1c.ru |
| NS | ns4-l2.nic.ru ns8-cloud.nic.ru ns8-l2.nic.ru ns3.1c.ru ns1.1c.ru ns3-l2.nic.ru ns4-cloud.nic.ru |
| TXT | v=spf1 +mx a:mailrelay.it-lite.ru ip4:185.12.152.0/22 ip4:195.209.42.5/32 include:spf.unisender.com ~all HARICA-uLAOV0PHMZlmfDxkUtN |
| registrar | RU-CENTER-RU |
|---|---|
| registered | 1996-11-12 |
| nameservers | ns1.1c.ru. 185.12.154.108 ns3.1c.ru. 185.12.155.16 ns3-l2.nic.ru. ns4-cloud.nic.ru. ns4-l2.nic.ru. ns8-cloud.nic.ru. ns8-l2.nic.ru. |
| valid | yes |
|---|---|
| issuer | GlobalSign nv-sa |
| covers | *.1c.ru, www.torg.1c.ru, www.consulting.1c.ru, 1c.ru |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 +mx a:mailrelay.it-lite.ru ip4:185.12.152.0/22 ip4:195.209.42.5/32 include:spf.unisender.com ~all |
|---|---|
| DMARC | pass policy reject |
| DKIM | none of 1 common selectors |
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 1c.ru.
Reference: /llms.txt.
IPv6. Does 1c.ru work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.
Watch 1c.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