On no blocklists we checked, valid HTTPS, the site answered 200 in 29 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 151.101.130.133 151.101.194.133 151.101.2.133 151.101.66.133 |
|---|---|
| MX | 1 aspmx.l.google.com 5 alt2.aspmx.l.google.com 10 alt4.aspmx.l.google.com 10 alt3.aspmx.l.google.com 5 alt1.aspmx.l.google.com |
| NS | ns-1782.awsdns-30.co.uk ns-634.awsdns-15.net ns-169.awsdns-21.com ns-1534.awsdns-63.org |
| TXT | tiktok-developers-site-verification=5TpDHtevdeyto1s53FrggeA4rqLMU34r stripe-verification=0AB4346953316F0622DA92E369CDFA951C54E959A15CC1CFB96E49D02E203691 hubspot-domain-verification=MTQzMjVkY2EtZDc5YS00ZmMwLTgzNmMtODJhZWFhNjQ1MTFi zoom-domain-verification=ZOOM_verify_3d500f8c401c445e9cc337e189236ef5 amazon-business-verification=16012857de4a76553695df824bae16348649f39cf989c2354b5bc7cd379b15e9 google-site-verification=M0XDPVdF5XBrnb-68KdBWmKi35ovRf_PqZM6zRj6xfo Validity-Domain-Verification=6HrSbK1DTz+C/kYrvt2yxBW93F4= slack-domain-verification=62Jx5SGkgzgdLmF6mYPo1oWMHoLI1PGqzxt71dYk wiz-domain-verification=993ae6f241de2f53ea30277e8fb8042709252ec68b523cf26181b4cbef0a0a0c loom-site-verification=1c1e2086449545d190b57b810de3c741 facebook-domain-verification=8ssyxgwhdjg409vl1qwv8tqy6745zy stripe-verification=85AF8598246098631ED129FA3218F6C4DA2CFEC57DD8A9F080110B8CA399D2DD google-site-verification=JnB4sONl0K7d3wGyRs9an0C0VJFVhhmGSjf5diV790k google-site-verification=c_BBAAGdYj2L7cOpPgNF76jiXnFUVS_Xz5gfcBOmGL4 attio-domain-verification=UHX2B6D5TX6CX53CXGBAHGW3 openai-domain-verification=dv-PfCKEtIOkYIRSjuyixJqqZcf h1-domain-verification=HDHQ9deSLqK9KYahSa9UU559PvrgNBi3T1zdN9Lj8CVoYCV8 stripe-verification=731DF94DEAEA1EAAA807EAE7D72D7338E193CD76AE97150ECF41896807B1B033 google-site-verification=-3XY-ldZZm2O8v9blT-mMiBduUxNdPsrrFXneZFHJNU notion_verify_LZm1CNzi_RmH#UCV.uR1MvXKsWEG8nebvc}bw+TYMj)mzgrf33H1tUkj*g@r37^#nuKBqT google-site-verification=tOpEoiVk37-4HaCFCMb86Q2F9zpl4gh0cF9PvQjJ5aw tiktok-developers-site-verification=HhSSn99SRimgJNJJkcm0Rt0tjhOiMLW5 google-site-verification=BqwBT-jSv9iENaqGfI_gbooYEjs3uUHh-lXpVf8tkJk MS=ms25160908 google-site-verification=J_OCvoB105vcwDCwwO0xZlxvWZLz6-UzS4UssSeiy-U v=spf1 include:sendgrid.net include:hs.linktr.ee include:_spf.google.com -all stripe-verification=15f31e50c5710252111569ad76dfd30414dfe84321fddd6fb2f7cf42ced4e306 google-site-verification=ictM7BaxKAXWoNxeAH2qUWzbIWwUZT0krATNluy2hwg _5gpstlp0j1ze117x41vpd77qfn3qn6q google-site-verification=oJ0isC1gRFlJdV5L_p5ObuVX0JCcyzPQ2N4FcdFSY-c uber-domain-verification=88d7ba7b-2a23-42ae-ba4f-e96706f6b728 stripe-verification=61B436C0036D8172284A969CE10CED7FFF67D38B204B51F49A0A2C3D3C65805B stripe-verification=28e5f4ef1feaccb632b7affa6996c5fd43b1e4fafe6b87fe7fa34543a77f090a onetrust-domain-verification=e0ec11d4d77546b791a0f946a32a6c1e ZOOM_verify_FEdjcGCXQD7LtbPD7NDAPO t252Y1nfZvxjX0093cC7cncQHg anthropic-domain-verification-1tycht=zJnYXvMUrBuyoLB4eKC6V1Wav stripe-verification=58C8428D5C7E162ADE166B3F34072EC21AA64FE97D46970CC352FAB198CC1F9E dropbox-domain-verification=831j6zm4fvfj google-site-verification=5_2gPClKT1kQHILAWOrq9g-MDZQpYTvUvAMV5lADcHU |
| owner | hidden by privacy service |
|---|---|
| nameservers | ns-634.awsdns-15.net ns-1782.awsdns-30.co.uk ns-1534.awsdns-63.org ns-169.awsdns-21.com |
| status | ok (paid and in zone) |
| valid | yes |
|---|---|
| issuer | Let's Encrypt |
| covers | linktr.ee |
| protocol | TLSv1.2 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 include:sendgrid.net include:hs.linktr.ee include:_spf.google.com -all |
|---|---|
| DMARC | pass policy reject |
| DKIM | found: google, s1, s2, smtp |
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 linktr.ee.
Reference: /llms.txt.
Watch linktr.ee. 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