Registered 19 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 274 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 198.54.117.241 |
|---|---|
| MX | 10 mx1.privateemail.com 10 mx2.privateemail.com |
| NS | edns4.ultradns.com edns4.ultradns.net edns3.registrar-servers.com edns4.ultradns.org edns4.registrar-servers.com edns4.ultradns.biz |
| TXT | v=spf1 include:spf.jellyfish.systems ~all |
| registrar | NameCheap, Inc. |
|---|---|
| registered | 2007-11-08 |
| expires | 2031-11-08 |
| last changed | 2026-09-28 |
| owner | Privacy service provided by WITHHELD FOR PRIVACY LLC |
| nameservers | edns3.registrar-servers.com edns4.registrar-servers.com edns4.ultradns.biz edns4.ultradns.com edns4.ultradns.net edns4.ultradns.org |
| status | client transfer prohibited server delete prohibited server transfer prohibited server update prohibited |
| valid | yes |
|---|---|
| issuer | SSL Corporation |
| covers | registrar-servers.com, www.registrar-servers.com |
| protocol | TLSv1.3 |
Domain is properly signed — chain validated by an independent validating resolver
| SPF | pass v=spf1 include:spf.jellyfish.systems ~all |
|---|---|
| DMARC | none |
| DKIM | found: default |
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 registrar-servers.com.
Reference: /llms.txt.
Watch registrar-servers.com. 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