On no blocklists we checked, valid HTTPS, the site answered 200 in 1281 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 23.62.230.6 23.62.230.18 |
|---|---|
| AAAA | 2600:1408:5400:19::173e:e612 2600:1408:5400:19::173e:e606 |
| MX | 10 alt4.aspmx.l.google.com 5 alt1.aspmx.l.google.com 1 aspmx.l.google.com 10 alt3.aspmx.l.google.com 5 alt2.aspmx.l.google.com |
| NS | a5-67.akam.net a8-64.akam.net a13-64.akam.net a20-65.akam.net a26-65.akam.net a1-228.akam.net |
| TXT | v=spf1 include:_spf.google.com include:mnm.gr include:spf.postal.maildolphin.com -all google-site-verification=4z4DaUAYzobn2yiz3NftIYXHqi40M0Tr-C3lpXOq_BE |
| valid | yes |
|---|---|
| issuer | Let's Encrypt |
| covers | cantina.protothema.gr, en.protothema.gr, i1.prth.gr, i2.prth.gr, longform.protothema.gr, media.protothema.gr, mediakit.protothema.gr, protothema.gr, s.prth.gr, staging.protothema.gr, themaradio.protothema.gr, video.protothema.gr |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 include:_spf.google.com include:mnm.gr include:spf.postal.maildolphin.com -all |
|---|---|
| DMARC | pass policy quarantine |
| DKIM | found: google, 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 protothema.gr.
Reference: /llms.txt.
Watch protothema.gr. 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