On no blocklists we checked, valid HTTPS, the site answered HTTP 404.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.
| A | 44.241.155.117 35.83.134.156 16.147.126.11 |
|---|---|
| MX | 10 alt4.aspmx.l.google.com 5 alt2.aspmx.l.google.com 5 alt1.aspmx.l.google.com 10 alt3.aspmx.l.google.com 1 aspmx.l.google.com |
| NS | ns-182.awsdns-22.com ns-1889.awsdns-44.co.uk ns-696.awsdns-23.net ns-1088.awsdns-08.org |
| TXT | google-site-verification=CdLVlZbrYDt59qC16ytfQetQYkhA9xuIpuTOodEqrwI |
| valid | yes |
|---|---|
| issuer | Amazon |
| covers | *.ad.gt, ad.gt |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | none |
|---|---|
| DMARC | none |
| 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 ad.gt.
Reference: /llms.txt.
IPv6. Does ad.gt work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.
Watch ad.gt. 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