Registered 19 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 58 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 172.64.146.247 104.18.41.9 |
|---|---|
| AAAA | 2a06:98c1:3106::ac40:92f7 2606:4700:4403::6812:2909 |
| MX | 10 alt4.aspmx.l.google.com 5 alt2.aspmx.l.google.com 1 aspmx.l.google.com 5 alt1.aspmx.l.google.com 10 alt3.aspmx.l.google.com |
| NS | marty.ns.cloudflare.com val.ns.cloudflare.com |
| TXT | anthropic-domain-verification-08jfec=YTBMKsyajkzCM7tuK08Il8BTQ google-site-verification=adDX9Qsrt8PjtLYlL3wfJJVp_QvS36jMwtcjEPd4J9Q v=spf1 ip4:209.15.209.64/27 ip4:209.15.214.192/28 ip4:209.15.243.112/28 ip4:209.15.247.224/28 ip4:209.15.249.176/28 ip4:209.15.249.224/29 ip4:209.15.250.112/28 ip4:37.44.2.16/28 include:_spf.google.com include:servers.mcsv.net include:mail.zendesk.com include:_spf.salesforce.com ~all google-site-verification=o6Zn1HIYOJ47s1qpx6D1NYJiRORsOBrWWIKgCHozu0g atlassian-domain-verification=Nad6ba1ysA1mdnvoY0zYwoRwv6nBwSBawy/Xaexh3Vf9DcC0a74yExKioYvCdaM7 apple-domain-verification=1zVGDn699lBJWe3h |
| CAA | {'type': 'CAA', 'issue': 'globalsign.com', 'critical': 0} {'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0} {'type': 'CAA', 'issue': 'pki.goog', 'critical': 0} {'type': 'CAA', 'iodef': 'mailto:security@researchgate.net', 'critical': 0} |
| registrar | Mesh Digital Limited |
|---|---|
| registered | 2008-02-08 |
| expires | 2027-02-08 |
| last changed | 2026-02-07 |
| nameservers | marty.ns.cloudflare.com val.ns.cloudflare.com |
| status | client delete prohibited client transfer prohibited client update prohibited |
| valid | yes |
|---|---|
| issuer | Google Trust Services |
| covers | researchgate.net, *.researchgate.net |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 ip4:209.15.209.64/27 ip4:209.15.214.192/28 ip4:209.15.243.112/28 ip4:209.15.247.224/28 ip4:209.15.249.176/28 ip4:209.15.249.224/29 ip4:209.15.250.112/28 ip4:37.44.2.16/28 include:_spf.google.com include:servers.mcsv.net include:mail.zendesk.com include:_spf.salesforce.com ~all |
|---|---|
| DMARC | pass policy reject |
| DKIM | found: google, k1 |
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 researchgate.net.
Reference: /llms.txt.
Watch researchgate.net. 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