Registered 32 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 848 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 192.0.66.145 |
|---|---|
| AAAA | 2a04:fa87:fffd::c000:4291 |
| MX | 1 smtp.google.com |
| NS | owen.ns.cloudflare.com aria.ns.cloudflare.com |
| TXT | tollbit-domain-verification=ed765eec87445a9c7fc97d88202a4e247d115ec1dcce8b2855644de232baa795 qb5l10tv3ifansmtg2j67ls4vm google-site-verification=0MpBgJlty0QJTSbL0NsxKSMQao7AtbMttqQqLBpnuqo gpu99tm7bpjr5ffe6j6lff9c6g openai-domain-verification=dv-4I5bt1RLb1irQk2oZZb9k5PZ amazonses:tf7PxlKrP5loKZqpIoiHCfuwRc9LWPN35B8KBlvXYvU= canva-site-verification=Dq2WPizCkBmFzG8pX1jdkQ workplace-domain-verification=q8l8dtiG9ONhEmL8nIvj0Z5L2D5A3i google-site-verification=pYonWwLh0y5UIPReObylCHtCWHGz9YmWq9OI0NnlEOk google-site-verification=OEcQCk6m6XyHagDu-7BnHevLzPmjK8VLrehu0rHHPGs MS=ms65532728 v=spf1 mx ip4:64.30.227.218 ip4:64.30.226.54/31 ip4:74.125.148.0/22 ip4:216.239.125.28/23 ip4:202.73.54.176/28 ip4:58.65.7.128/28 ip4:62.108.138.0/28 ip4:216.239.114.214/23 ip4:216.239.114.222/23 include:_spf.google.com include:spf-00262c01.pphosted.com include:spf.protection.outlook.com -all google-site-verification=VvA5ip4lC7mt45ap9Ra_PNfXXe3OgEsWiV3ZySfTRKI figma-domain-verification=4f7cdfa45ca39f617dd7ba7b165e1bfd5e9b5e1ec18b849c6098dfdc4a4cfa64-1740511309 facebook-domain-verification=qxzu4bw9l67g1b59xbja9fqgyetsfq anthropic-domain-verification-4sn0p2=1S8SKrvmazJTSpSOW0ZEUoQHj atlassian-domain-verification=QUsZX4LdPWTYZgx09JhShFot27EJnUl/5CyxXFsiGebXl2QD8Fh3zzfkYZJe42Ic amazonses:kWgTT8gEghPg1NxciZwhrB3xu+jSMwW8T80qgRg5Kyw= knowbe4-site-verification=f250b2a70f1bef3a0d3e9e990a25ada0 adobe-idp-site-verification=b6e27597198dfc9921fbe2ad78e9a76012bb17d0ddb65389e600ecb80de9a555 |
| registrar | CSC Corporate Domains, Inc. |
|---|---|
| registered | 1995-04-27 |
| expires | 2029-04-28 |
| last changed | 2026-06-30 |
| owner | Ziff Davis LLC |
| nameservers | aria.ns.cloudflare.com owen.ns.cloudflare.com |
| status | client transfer prohibited |
| valid | yes |
|---|---|
| issuer | Let's Encrypt |
| covers | www.zdnet.com, zdnet.com |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 mx ip4:64.30.227.218 ip4:64.30.226.54/31 ip4:74.125.148.0/22 ip4:216.239.125.28/23 ip4:202.73.54.176/28 ip4:58.65.7.128/28 ip4:62.108.138.0/28 ip4:216.239.114.214/23 ip4:216.239.114.222/23 include:_spf.google.com include:spf-00262c01.pphosted.com include:spf.protection.outlook.com -all |
|---|---|
| DMARC | pass policy reject |
| DKIM | found: google, selector1, selector2 |
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 zdnet.com.
Reference: /llms.txt.
IPv6. Does zdnet.com work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.
Watch zdnet.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