Registered 22 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 54 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 192.0.78.24 192.0.78.25 |
|---|---|
| MX | 10 mx-dfw.automattic.com 10 mx-ams.automattic.com |
| NS | ns2.automattic.com ns3.automattic.com ns4.automattic.com ns1.automattic.com |
| TXT | yahoo-verification-key=8dNdxvmgAf9M2eCeh79q5CpzcsN5GkkT9db3Z5Rr3Sk= atlassian-domain-verification=HLvi8VknRfLwuOZ7TmiaKM8GgOgai45SxxeWZddVaOBMgWielcwit/LmLXXPJm6G spf2.0/mfrom a mx ?all anthropic-domain-verification-q5pmy9=Tj43pQ6DCN1JcMx95QuvpbFG3 google-site-verification=l3pF3D6Nfuk18StNUFWXaEEIVTjBWWHvvZYP9sXEAcc google-site-verification=F4jw0P5BvBnjqDSVJEhYv3LEU2WLuqChlBLJEYA2SO0 gradle-verification=1AG8E2HVI4P8EOH4BK5URAEO6JVML figma-domain-verification=a2e41510ac6b0c5745595c76770385bfd602709c6d04e80ef830c9c482fc9e20-1768211767 v=spf1 include:_spf.automattic.com include:mail.zendesk.com include:mg-spf.greenhouse.io include:sendgrid.net include:39653948.spf04.hubspotemail.net ~all |
| CAA | {'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0} |
| registrar | MarkMonitor Inc. |
|---|---|
| registered | 2004-06-19 |
| expires | 2033-06-19 |
| last changed | 2023-08-28 |
| owner | REDACTED FOR PRIVACY |
| nameservers | ns1.automattic.com ns2.automattic.com ns3.automattic.com ns4.automattic.com |
| status | client delete prohibited client transfer prohibited client update prohibited server delete prohibited server transfer prohibited server update prohibited |
| valid | yes |
|---|---|
| issuer | Let's Encrypt |
| covers | *.automattic.com, automattic.com |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 include:_spf.automattic.com include:mail.zendesk.com include:mg-spf.greenhouse.io include:sendgrid.net include:39653948.spf04.hubspotemail.net ~all |
|---|---|
| DMARC | pass policy reject |
| DKIM | found: k1 |
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 automattic.com.
Reference: /llms.txt.
IPv6. Does automattic.com work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.
Watch automattic.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