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Hostname

arun.npnservers.net

Last fetched

arun.npnservers.net resolves to 1 IPv4 address operated by AS16276 in FR.

Nutrition Label

WHISPER CANON · arun.npnservers.netRouting diversity1.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.0/10canon.whisper.security/host/arun.npnservers.net

Resolution chain

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

IPPrefixASNOperatorCountry
51.91.186.5851.91.0.0/16AS16276—FR

WHOIS identity

No WHOIS records are currently associated with arun.npnservers.net in WhisperGraph.

Subdomains

1 observed subdomain of arun.npnservers.net.

Subdomain
mail.arun.npnservers.net

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for arun.npnservers.net.

MechanismTarget
SPF_Aarun.npnservers.net
SPF_INCLUDEspf.npnservers.net
SPF_IP2001:41d0:203:585f:800:0:0:ba3a
SPF_IP51.91.186.58
SPF_MXarun.npnservers.net

Related pages

Pivot deeper into the graph from arun.npnservers.net.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "arun.npnservers.net"})-[: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.