Registered 8 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 182 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 91.199.212.90 |
|---|---|
| AAAA | 2a0e:ac00:c7:d45a::5bc7:d45a |
| MX | 10 mxb-0097fb02.gslb.pphosted.com 10 mxa-0097fb02.gslb.pphosted.com |
| NS | ns2.as48447.net ns3.as48447.net ns1.as48447.net |
| TXT | uber-domain-verification=ea296173-dcfe-4f10-b4ce-f12dc611ecfe google-site-verification=Rt79GtFh2wYPHDUA1yFl6h5_3ASJQNR4KsDF-ioNr2g v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:_spf.qualys.com include:spf-0097fb02.pphosted.com ip4:91.199.212.0/24 ip4:91.209.196.0/24 ip4:91.212.12.0/24 ip4:148.163.156.198/32 ip6:2a0e:ac00::/32 -all atlassian-domain-verification=GbC9hVJfBtEyUVu3TmaYJ9XmHYHAmuNtJr3iKwJxIy63j7VuB0xPikMX3Z6N75Rg anthropic-domain-verification-gxjezd=pZvemxXdG619JhFnDOp45vA8I ZOOM_verify_8jnNgilLhIdil4oHyTsyfC adobe-idp-site-verification=36ae2c07616f4614b085c02de240a0c1d1df991410fb790f6c4931123aa4fc32 unbounce706839 docker-verification=e15ea54a-15c6-4d1a-b8e6-8e32aa039dfb smartsheet-site-validation=vgVgLWA9so3iR73esHzHScHJ3kFYZpdo apple-domain-verification=jPoZqjyTIaVkIIan paloaltonetworks-site-verification=1ce41dcf81486e0236737c2daee20dd22b955e854d8b994692c624e9d3bea9b2 |
| CAA | {'type': 'CAA', 'issue': 'sectigo.com', 'critical': 0} {'type': 'CAA', 'issue': 'ssl.com', 'critical': 0} |
| registrar | CSC Corporate Domains, Inc. |
|---|---|
| registered | 2018-08-16 |
| expires | 2028-11-01 |
| last changed | 2018-11-01 |
| owner | Sectigo Limited |
| nameservers | ns1.as48447.net ns2.as48447.net ns3.as48447.net |
| status | client transfer prohibited |
| valid | yes |
|---|---|
| issuer | Sectigo Limited |
| covers | sectigo.com, comodoca.com, enterprisessl.com, hackerguardian.com, instantssl.com, positivessl.com, sitelock.com |
| protocol | TLSv1.2 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:_spf.qualys.com include:spf-0097fb02.pphosted.com ip4:91.199.212.0/24 ip4:91.209.196.0/24 ip4:91.212.12.0/24 ip4:148.163.156.198/32 ip6:2a0e:ac00::/32 -all |
|---|---|
| DMARC | pass policy reject |
| DKIM | found: selector1, s1, s2 |
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 sectigo.com.
Reference: /llms.txt.
Watch sectigo.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