Registered 18 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 200 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 104.17.107.108 104.17.108.108 |
|---|---|
| AAAA | 2606:4700::6811:6c6c 2606:4700::6811:6b6c |
| MX | 10 mx11.bitdefender.com 10 mx12.bitdefender.com |
| NS | a6-65.akam.net a3-65.akam.net a1-39.akam.net a10-64.akam.net a20-66.akam.net a9-64.akam.net |
| TXT | v=spf1 a mx include:spf.bitdefender.com -all |
| registrar | EuroDNS S.A. |
|---|---|
| registered | 2008-11-15 |
| expires | 2028-11-15 |
| last changed | 2026-09-23 |
| owner | BITDEFENDER IPR MANAGEMENT LTD |
| nameservers | a1-39.akam.net a10-64.akam.net a20-66.akam.net a3-65.akam.net a6-65.akam.net a9-64.akam.net |
| status | client transfer prohibited server delete prohibited server transfer prohibited server update prohibited active |
| valid | yes |
|---|---|
| issuer | DigiCert Inc |
| covers | *.bitdefender.net, bitdefender.net |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 a mx include:spf.bitdefender.com -all |
|---|---|
| DMARC | pass policy quarantine |
| 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 bitdefender.net.
Reference: /llms.txt.
Watch bitdefender.net. 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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