masterd.pt

Nutrition Label

Resolution chain

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WHOIS identity

Registrar

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Organization

master dist?ncia - formac?o profissional, unipessoal lda

Contact emails

• hostmaster@arsys.pt
• webportugal@masterd.pt

Subdomains

86 observed subdomains of masterd.pt.

Web-graph footprint

Distinct hostnames that link to or from masterd.pt in the public web crawl.

106 sites link to this hostname.

123 sites linked to from this hostname.

Threat posture

History

Mail and authentication

Related pages

Pivot deeper into the graph from masterd.pt.

• Email · hostmaster@arsys.pt
• TLD · .pt
• Browse hostnames · ma…
• Glossary · What is a hostname?
• Whisper Internet Directory — home
• Live MOAS conflicts feed
• Threat feed · Spamhaus DROP
• United States internet infrastructure

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "masterd.pt"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
      -[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.