Registered 28 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 61 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 52.1.14.221 3.227.192.229 |
|---|---|
| MX | 10 rackspace-com.mail.protection.outlook.com |
| NS | ns.rackspace.com ns2.rackspace.com |
| TXT | 854ff9f7-193a-490d-a219-e559cd86c3ff sophos-domain-verification=33beaba7a58282a665eab1fd66d3b1e0b865f2828c02d09ff22786c2f5300828 docusign=50d8be89-ad11-4aee-8e11-3c75e74aafc8 atlassian-domain-verification=jMtVkwHW7SnBUnyWkLXlgEOcJOy1tSD6QM1hcjebXdrl1MF536MQ9FgaMyI8JYAX openai-domain-verification=dv-dfuARwBMBJPw1QgYwuMhlNGN y/6lk4AhKuCVb+XZ3YJGfT1oBfIEKfl2AMuwfmcR5RWKHTC/QbiiFqaveJTsUlYmrAjXGQZyYKWZsgTAGuCgzQ== docusign=f39f54dd-4993-4be2-8861-eeb5c9941875 apple-domain-verification=fSW4Mu2Rukg86QP4 anthropic-domain-verification-rnrfy1=fE0MMW8vO1OD2IpIwnxg9PQpy montycloud=c3091adfd00e6377b9eac694aef5e616 v=spf1 include:spf_a.rackspace.com include:spf_b.rackspace.com include:spf.protection.outlook.com include:mailgun.org -all 16600baa-c8cf-4ce6-88c0-fc9fa3f6fd19 google-site-verification=z2aDwPH4Lq9j_7Fj0U4Puz3hHk8wcpIuxMXZUI80kJc pexip-ms-tenant-domain-verification=1fdd6c26-e097-4616-931c-95fb8881efcd google-site-verification=gOBmNq8zRo0Mwju8NhdJUBMXfMHmux-XzMQ3obObp0c google-site-verification=hjn98i9hop-Qu_6JSTrV7MGqNMuPkHqxQejxjBdK_AQ MS=ms45524193 |
| registrar | CSC Corporate Domains, Inc. |
|---|---|
| registered | 1998-08-14 |
| expires | 2027-08-13 |
| last changed | 2026-08-09 |
| owner | Rackspace US, Inc. |
| nameservers | ns.rackspace.com ns2.rackspace.com |
| status | client transfer prohibited server delete prohibited server transfer prohibited server update prohibited |
| valid | yes |
|---|---|
| issuer | Amazon |
| covers | rackspace.com, go.rackspace.com, www.rackspace.co.uk, www.rackspace.com, admin.rackspace.com, www.rackspace.com.au, rackspace.com.au, rackspace.co.uk, wwwp.wip.rackspace.com |
| protocol | TLSv1.2 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 include:spf_a.rackspace.com include:spf_b.rackspace.com include:spf.protection.outlook.com include:mailgun.org -all |
|---|---|
| DMARC | pass policy reject |
| DKIM | found: selector1, k1, s1, s2, mail, mx |
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 rackspace.com.
Reference: /llms.txt.
IPv6. Does rackspace.com work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.
Watch rackspace.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