rtb.astrodsp.com
Category: Advertising Technology
Description of rtb.astrodsp.com
rtb.astrodsp.com appears to be a subdomain associated with Astro DSP, likely used for a technical or advertising-related service rather than a consumer-facing website. The "rtb" label commonly refers to real-time bidding infrastructure in digital advertising, which suggests this host may support backend ad delivery, bidding, tracking, or programmatic marketing functions.
Based on the hostname structure and the absence of visible page metadata, this subdomain may function as an API endpoint, ad-tech service node, or internal platform component instead of a public content site. The domain appears to be operated under the astrodsp.com parent domain and uses cloud-based infrastructure, which is consistent with service-oriented web components.
Safety Assessment for rtb.astrodsp.com
Security scan results were clean at the time of analysis. No detections were reported by 0 out of 91 security engines, malware scanning did not identify flagged files or suspicious external resources, and major threat-database checks did not report the domain as malicious or deceptive. The domain has also been registered for about 8 years, which may modestly reduce concern compared with newly created domains.
There are still some normal limitations to keep in mind: this host is not ranked in major traffic lists, has no visible page title or description, and may not be intended for direct human browsing. That does not by itself indicate a problem, especially for infrastructure subdomains, but it means the assessment is based mainly on reputation, blacklist, and technical scan data rather than rich page-content review.
Based on available data, no threats were detected at the time of this scan.
Technical Description
The subdomain presented a valid SSL/TLS certificate issued by DigiCert, with expiration listed as 2026-09-28. It resolves to IP address 47.253.49.143, appears to be hosted on Alibaba Cloud infrastructure in the United States, and serves content through nginx/1.24.0 on Ubuntu. The domain uses Amazon Registrar nameservers, indicating a distributed setup across registrar and hosting providers.
DNSSEC appears to be unsigned, which is still common but means DNS responses do not benefit from DNSSEC validation. No blacklist hits were reported, and no suspicious files, links, or iframe activity were identified in the available scan data.
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