Registered 32 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 66 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 52.200.142.250 34.235.198.240 |
|---|---|
| MX | 10 us-smtp-inbound-1.mimecast.com 10 us-smtp-inbound-2.mimecast.com |
| NS | dns1.p02.nsone.net dns1.p01.nsone.net dns4.p01.nsone.net dns2.p02.nsone.net dns3.p01.nsone.net dns2.p01.nsone.net |
| TXT | Dynatrace-site-verification=6d28213f-f653-42df-8f09-a7ae69f50e6a__dk5hkah3juetfgj11au5isjmig jetbrains-domain-verification=c52sdl8fpvtdvcunhy64u3149 Dynatrace-site-verification=1782cd51-ac66-4966-acdc-061c80f794f5__t1aa4l3qdsf475891sv2711t80 atlassian-domain-verification=fHiTv781WbOHgzl6U1McyXa9JUSSO5B0ECvgSZzJ9+b4q8wv0Tf4iI75xdcyoC00 miro-verification=0bc02d4257d450b9f9034363a58f88b4b904dc22 anthropic-domain-verification-75gwks=eCqmQbyCwqL2ocuciTDIydVPj docusign=c6aa79da-fde1-4b7e-8874-28eeb223ca63 slack-domain-verification=dPrnI9sLvqvAbQUwzvFsPXSPEU1PLODdgGxLhEUr google-site-verification=fkn6chapCdYNWIcpsgH0K6mkR0yo7ldeIRC7EH23yoo cursor-domain-verification-xts7mh=BCrLupJRjleUhfxmNA4CUlgaE MS=ms44845140 v=spf1 redirect=73t7ezjz._spf._d.mim.ec amazonses:ablaZDaC37yeQUcZAZjbfqRELxucC+8pBdvhFEpTSlY= google-site-verification=rl_wq5rq_W7A7OSyK08d8Ta_Hf6AKP5tqtdlo4iGTvs status-page-domain-verification=hyls0f05cd87 status-page-domain-verification=dfx5rbys1ts5 google-site-verification=TaSjV4JOe2XfmL_vHFKJHkPk8sjgoLkuuTTWezDO0Pw openai-domain-verification=dv-ZBmiG45XpzQoJlIf2HBlWHWf pendo-domain-verification=01424ad4-8f69-4456-90ff-5f544ada6cec docker-verification=b3c48bbc-05f6-40b8-8391-b5ad3366c6ec docusign=cfd355fc-11f9-4eaf-8ecf-64433ef46173 adobe-idp-site-verification=10154eb7d4abe67e9e45621e46476febbec28a97a4610d7c043c42c667aa18d4 segment-site-verification=Kk3pC9UBfhioQzibTvTIhT4TFVwP4niP apple-domain-verification=xaB3GAa9xxzrpoS4 MS=ms88428189 wework-site-verification=EABEURRXyO1yBZcn _v9l10fwei3im7iirj8c5fy92e798j78 atlassian-sending-domain-verification=6624a6de-2779-4cc5-9e0e-d739598be73d |
| CAA | {'type': 'CAA', 'iodef': 'mailto:it-cert-admin@redhat.com', 'critical': 0} {'type': 'CAA', 'issue': 'digicert.com', 'critical': 0} {'type': 'CAA', 'issue': 'amazontrust.com', 'critical': 0} {'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0} |
| registrar | Nom-iq Ltd. dba COM LAUDE |
|---|---|
| registered | 1994-05-26 |
| expires | 2027-05-25 |
| last changed | 2026-04-25 |
| nameservers | dns1.p01.nsone.net dns1.p02.nsone.net dns2.p01.nsone.net dns2.p02.nsone.net dns3.p01.nsone.net dns4.p01.nsone.net |
| status | client delete prohibited client transfer prohibited client update prohibited |
| valid | yes |
|---|---|
| issuer | DigiCert Inc |
| covers | redhat.com |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | warning v=spf1 redirect=73t7ezjz._spf._d.mim.ec |
|---|---|
| DMARC | pass policy quarantine |
| DKIM | found: google, s1, s2 |
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 redhat.com.
Reference: /llms.txt.
Watch redhat.com. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.
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