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Hostname

506.nu

Last fetched

506.nu resolves to 1 IPv4 address operated by AS200719 in US.

Nutrition Label

WHISPER CANON · 506.nuRouting diversity1.5/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint3.2/10canon.whisper.security/host/506.nu

Resolution chain

506.nu resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
185.51.33.219185.51.32.0/22AS200719—US

WHOIS identity

No WHOIS records are currently associated with 506.nu in WhisperGraph.

Subdomains

2 observed subdomains of 506.nu.

Subdomain
mail.506.nu
www.506.nu

Web-graph footprint

Distinct hostnames that link to or from 506.nu in the public web crawl.

35 sites linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

  • 506.nu

SPF policy

4 SPF mechanisms authorising senders for 506.nu.

MechanismTarget
SPF_A506.nu
SPF_IP83.168.230.112
SPF_IP94.46.53.190
SPF_MX506.nu

Related pages

Pivot deeper into the graph from 506.nu.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "506.nu"})-[: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.