dns.quad9.net
Categorie: Infrastructure, Iot, Dns Over Https
Beschrijving van dns.quad9.net
dns.quad9.net appears to be a technical endpoint associated with Quad9, a public DNS service provider. The domain name, hosting details, and page text indicate that this host is used for DNS over HTTPS functionality, specifically implementing RFC 8484 for encrypted DNS queries over HTTP/2 rather than serving as a conventional consumer-facing website.
Multiple web-classification sources categorize the domain within information technology, information security, and DNS infrastructure. The minimal page content shown in the screenshot is consistent with an infrastructure service endpoint: it briefly states that the server implements DNS queries over HTTPS and requires HTTP/2, which suggests the host is intended primarily for software, browsers, or network clients rather than general browsing.
Based on the available metadata, this domain appears to be operated as part of Quad9's network infrastructure and DNS service ecosystem. It does not present as an online store, content portal, or parked domain; instead, it appears to function as a specialized service node for secure DNS resolution.
Veiligheidsbeoordeling voor dns.quad9.net
The scan results are broadly reassuring at the time of this scan. No detections were reported by 0 out of 91 security engines, the malware scan did not identify flagged files or suspicious external resources, and major threat-database checks were reported as clean. The domain is also relatively mature at about 9 years old, which can be a positive contextual signal when assessing infrastructure-related domains.
One blacklist-style source did include a generic suspicious label, but this appears to be an isolated heuristic-style finding without corroboration from the broader engine consensus or from the main content-malice databases checked here. In addition, the page content and domain purpose are consistent with a legitimate DNS over HTTPS endpoint rather than a phishing page, malware delivery page, or deceptive storefront.
Because this is an infrastructure endpoint, visitors may see only a sparse technical message rather than a traditional homepage, which by itself is not unusual. Based on available data, no threats were detected at the time of this scan.
Technische beschrijving
The domain presents a valid TLS certificate issued by a mainstream certificate authority, with expiry listed as 2026-07-27. It resolves to IP address 9.9.9.9 and appears to be hosted on Quad9's own infrastructure in Berkeley, United States. The screenshot text indicates support for DNS over HTTPS under RFC 8484 and notes an HTTP/2 requirement, which is consistent with a specialized encrypted DNS service endpoint.
WHOIS data indicates the domain was created in 2017 and is registered through Key-Systems GmbH. DNSSEC is reported as unsigned, which is not uncommon but means DNS responses for the domain may not benefit from DNSSEC validation. No notable web-content security issues were identified in the provided scan data, and no external links, iframes, or flagged files were observed at the time of analysis.
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