Registered 34 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 128 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 172.66.0.227 |
|---|---|
| MX | 5 alt2.aspmx.l.google.com 5 alt1.aspmx.l.google.com 10 alt3.aspmx.l.google.com 10 alt4.aspmx.l.google.com 1 aspmx.l.google.com |
| NS | c.u10.twtrdns.net d.r10.twtrdns.net b.r10.twtrdns.net b.u10.twtrdns.net a.r10.twtrdns.net d.u10.twtrdns.net a.u10.twtrdns.net c.r10.twtrdns.net |
| TXT | apple-domain-verification=sEij6tJOW11fVNrG google-site-verification=6Xapa1BbHGcpSKAIcPHcZsxuKK2yK9FCn3OpZDgUBSs 3089463 stripe-verification=11AE5005048CF2B40BD2AC26DA89C512596CF727581C499E240549D95C37CEE0 adobe-sign-verification=c693a744ee2d282a36a43e6e724c5ea figma-domain-verification=ee8420edd01965ba297f3438c907cfc6fbbaa1ee90a07b28f28bcfca8e6017bb-1729630998 _w548xs1kfxtlqk3jyx19bzwk34c473i adobe-idp-site-verification=ab4d9ce3473a73e81f46238da34ea4967fd5ac80e5c43fbfa8dff46d06a5321c google-site-verification=BT51mebIp7CbI7Qy_5Qg6LJLSBrLuCGQ_oznVAgfgKA google-site-verification=8yQmoVhQedzlt36RPeQP41ytrEFk9aHEnde_xm0626g v=spf1 ip4:199.16.156.0/22 ip4:199.59.148.0/22 include:_spf.google.com include:_spf.salesforce.com include:_oerp.x.com include:phx1.rp.oracleemaildelivery.com include:iad1.rp.oracleemaildelivery.com -all notion-domain-verification=BnCKbWESk142VKiGKHQ8PZkBfVoWYpsZxzl8Z95k0jB atlassian-sending-domain-verification=bd424180-8645-4de5-bd6a-285479c7577a kkdl3qb3tcrmdhfsm803p67r0my0svs8 google-site-verification=isX7U92-gLht5aKvjaPvQ9tWaxoqREy8agpAOcqlfIE stripe-verification=46F7B88485621DC18923B43D12E90E6CDBCE232F2FEBCF084E6EFA91F6BA707D shopify-verification-code=cUZazKrqCWgcshrcGvgfFR1lieuhRF slack-domain-verification=Csk4bjCPFnJaDLLaKFUwCTFuUpCVvnYlAm2Tba0i atlassian-domain-verification=j6u0o1PTkobCXC84uEF/sWpIPtaZURBVYqKzmTvT8wugLcHT1vvrzzA63iP1qSLN central-10416 google-site-verification=lEZNYWieV7-UbDJafAm0u_RvNFb7GGqIYWAP4JmG5qs google-site-verification=rbRGYlOADDbtUYJTGd8GEDm0PwPZExviDSaSH4JLR8Q google-site-verification=reUF-TgZq93ZGtzImw42sfYglI2hY0QiGRmfc4jeKbs google-site-verification=F6u9mGL--d2lbLljvH3b1UUgXtevQPdcamKr9c8914A |
| registrar | GoDaddy.com, LLC |
|---|---|
| registered | 1993-04-02 |
| expires | 2034-10-20 |
| last changed | 2024-12-03 |
| nameservers | a.r10.twtrdns.net a.u10.twtrdns.net b.r10.twtrdns.net b.u10.twtrdns.net c.r10.twtrdns.net c.u10.twtrdns.net d.r10.twtrdns.net d.u10.twtrdns.net |
| status | client delete prohibited client renew prohibited client transfer prohibited client update prohibited |
| valid | yes |
|---|---|
| issuer | Let's Encrypt |
| covers | *.live.x.com, *.watch.x.com, *.x.com, cdn.syndication.x.com, click.send.x.com, x.com |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 ip4:199.16.156.0/22 ip4:199.59.148.0/22 include:_spf.google.com include:_spf.salesforce.com include:_oerp.x.com include:phx1.rp.oracleemaildelivery.com include:iad1.rp.oracleemaildelivery.com -all |
|---|---|
| DMARC | pass policy reject |
| DKIM | found: google |
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 x.com.
Reference: /llms.txt.
Watch x.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