Registered 27 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 78 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 108.138.64.113 108.138.64.106 108.138.64.21 108.138.64.68 |
|---|---|
| MX | 10 mxb-00151a02.gslb.pphosted.com 10 mxa-00151a02.gslb.pphosted.com |
| NS | ns-1062.awsdns-04.org ns-982.awsdns-58.net ns-423.awsdns-52.com ns-1882.awsdns-43.co.uk |
| TXT | _nn8amovc4qu2n516mlp6jod1psa54uy rovag_verification_token=30E544ADF8FD41A2982A9D8FB663301A google-site-verification=XHlMyAfWOgYEki1Bc4oxFXq0wKm1FycJipsKmgr9dBc _0vxssx4o2bxcxmoods439jee4gyb56f postman-domain-verification=06ba9e1a9107cd23be82eb29957657a882b7e95e0ca5993bcec19600fd2de97ce014194744fcf8246d0828bd1403bb64c33c853474566d448f630a9ee8b31b75 MS=ms57620037 2k3bb21l4zc0540m3gvspsr96jvmkb30 google-site-verification=jRCTo4scBhyphvqpN5eW0GLwVzrHxDj66tQbdk6LKzk _uyhkv7566eaz4gxch028eskaskm25iy v=spf1 ip4:54.240.44.154 ip4:54.240.44.155 ip4:54.240.44.241 ip4:54.240.44.242 ~all |
| CAA | {'type': 'CAA', 'issue': 'digicert.com', 'critical': 0} {'type': 'CAA', 'critical': 0, 'issuewild': 'digicert.com'} {'type': 'CAA', 'issue': 'amazontrust.com', 'critical': 0} {'type': 'CAA', 'issue': 'amazon.com', 'critical': 0} {'type': 'CAA', 'issue': 'amazonaws.com', 'critical': 0} {'type': 'CAA', 'critical': 0, 'issuewild': 'awstrust.com'} {'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0} {'type': 'CAA', 'critical': 0, 'issuewild': 'amazontrust.com'} {'type': 'CAA', 'critical': 0, 'issuewild': 'amazonaws.com'} {'type': 'CAA', 'critical': 0, 'issuewild': 'amazon.com'} {'type': 'CAA', 'iodef': 'mailto:vkeymaster@esri.com', 'critical': 0} {'type': 'CAA', 'issue': 'awstrust.com', 'critical': 0} |
| registrar | MarkMonitor Inc. |
|---|---|
| registered | 1999-06-09 |
| expires | 2028-06-09 |
| last changed | 2026-05-08 |
| owner | REDACTED FOR PRIVACY |
| nameservers | ns-1062.awsdns-04.org ns-1882.awsdns-43.co.uk ns-423.awsdns-52.com ns-982.awsdns-58.net |
| status | client delete prohibited client transfer prohibited client update prohibited |
| valid | yes |
|---|---|
| issuer | Amazon |
| covers | arcgis.com, maps.arcgis.com, *.maps.arcgis.com, *.arcgis.com |
| protocol | TLSv1.3 |
Domain is properly signed — chain validated by an independent validating resolver
| SPF | pass v=spf1 ip4:54.240.44.154 ip4:54.240.44.155 ip4:54.240.44.241 ip4:54.240.44.242 ~all |
|---|---|
| DMARC | pass policy reject |
| 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 arcgis.com.
Reference: /llms.txt.
Watch arcgis.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