On no blocklists we checked, valid HTTPS, the site answered 200 in 3991 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 85.153.134.147 85.153.134.20 |
|---|---|
| MX | 10 mail.osym.gov.tr 10 postamx.osym.gov.tr |
| NS | mrksysfdc01.osym.local mrksyssdc01.osym.local ns2.osym.gov.tr ns1.osym.gov.tr |
| TXT | v=spf1 a mx a:postamx.osym.gov.tr a:mail.osym.gov.tr a:smtpapp.osym.gov.tr -all MS=1CF1294464303F87A1B595FF9C0ADB364527856F IxRF+DwPI4foe+Jk7sb1U6WNCJ0SHxzI3FT5cKrabYc= 1aJCOdSACpCMv2hWUZafWc863NVkxyW35Ma7fkTv3Cs= e9TIbVJTM6ULHH8HWY+2851pUjU77rB0y1HdbCmpdEM= globalsign-domain-verification=7kjpM78OdXEDEwrsQXWYaHeRunAkkQeh4jFGNdv0-3 globalsign-domain-verification=KA2AJxUU4hGDhgKiqgHWkR8uWpUBofQOWjWpoTcnnG |
| valid | yes |
|---|---|
| issuer | GlobalSign nv-sa |
| covers | *.osym.gov.tr, osym.gov.tr |
| protocol | TLSv1.2 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 a mx a:postamx.osym.gov.tr a:mail.osym.gov.tr a:smtpapp.osym.gov.tr -all |
|---|---|
| DMARC | pass policy quarantine |
| DKIM | found: s1 |
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 osym.gov.tr.
Reference: /llms.txt.
Watch osym.gov.tr. 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