How is rbc.ru?

Looks fine risk 0/100

Registered 28 years ago, on no blocklists we checked, valid HTTPS, the site answered 401 in 777 ms.

Why

02050100

finecarefulhigh risk

·Nothing in the checks added risk.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.

Site

401

777 ms

HTTPS

40 d

left on a Let's Encrypt certificate

Age

28 years

registered 1998-07-22

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	178.248.235.46
MX	10 smtp.rbc.ru 20 mx3.rbc.ru 20 mx2.rbc.ru
NS	ns2.rbc.ru ns3.rbc.ru
TXT	google-site-verification=gXxm-6ERXY0_fEPghqP2wlxIl0ZwFQPJUSsqBv7ImEA mailru-domain: CydzGIqkdukNtDOR google-site-verification=YSLVvVFc47sPfX-j-XSJMKePM0-8GcaPeLBYUed1t6A figma-domain-verification=adb12ce75ecf4796a0885205dd1ff25daf862cf7c84201967c5027fcdeaafd2e-1768382861 v=spf1 ip4:80.68.240.0/20 ip4:185.72.228.0/22 ip6:2a03:40a0::/32 include:spf.sendsay.ru -all google-site-verification=41K5dwkUOXwhV5pP_0WizBb-e60FFOEriB6PQ-KNVww

RegistrationRU-CENTER-RU

registrar	RU-CENTER-RU
registered	1998-07-22
nameservers	ns2.rbc.ru. 185.72.229.26 ns3.rbc.ru. 80.68.253.26

HTTPS certificate40 days left

valid	yes
issuer	Let's Encrypt
covers	*.rbc.ru, rbc.ru
protocol	TLSv1.3

issued 2026-09-12expires 2026-12-11

DNSSECinsecure

Domain is not signed with DNSSEC

. → ru → rbc.ru

Email authenticationexcellent

SPF	pass `v=spf1 ip4:80.68.240.0/20 ip4:185.72.228.0/22 ip6:2a03:40a0::/32 include:spf.sendsay.ru -all`
DMARC	pass policy quarantine
DKIM	found: mail

Whether mail claiming to be from this domain can be checked as genuine.

Security scoregrade B · 150/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

15/25missing: SOA Record Configuration, IPv6 Support

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 5 lookups

SURBL MultidomainURIBL MultidomainSpamCop178.248.235.46Barracuda178.248.235.46UCEPROTECT Level 1178.248.235.46

Green: clean. Red: listed. Grey: the list did not answer.

Ask it yourself

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.

curl "https://how.is/v1/domain/trust?domain=rbc.ru" \ -H "Authorization: Bearer $HOWIS_KEY" # or pay per call in USDC (x402), no key: the 402 tells your agent the price curl -i "https://how.is/v1/domain/profile?domain=rbc.ru"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on rbc.ru. Reference: /llms.txt.

IPv6. Does rbc.ru work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch rbc.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