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Hostname

activesync.a51.co

Last fetched

activesync.a51.co resolves to 7 IPv4 addresses operated by PBNET - Paul Bunyan Communications in US.

Nutrition Label

WHISPER CANON · activesync.a51.coRouting diversity1.5/10Peering density3.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint0.0/10canon.whisper.security/host/activesync.a51.co

Resolution chain

activesync.a51.co resolves to 7 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
208.92.156.81208.92.156.0/22AS14371PBNET - Paul Bunyan CommunicationsUS
208.92.156.84208.92.156.0/22AS14371PBNET - Paul Bunyan CommunicationsUS
208.92.156.85208.92.156.0/22AS14371PBNET - Paul Bunyan CommunicationsUS
208.92.156.86208.92.156.0/22AS14371PBNET - Paul Bunyan CommunicationsUS
208.92.156.87208.92.156.0/22AS14371PBNET - Paul Bunyan CommunicationsUS
208.92.156.88208.92.156.0/22AS14371PBNET - Paul Bunyan CommunicationsUS
208.92.156.89208.92.156.0/22AS14371PBNET - Paul Bunyan CommunicationsUS

WHOIS identity

No WHOIS records are currently associated with activesync.a51.co in WhisperGraph.

Threat posture

History

Mail and authentication

SPF policy

5 SPF mechanisms authorising senders for activesync.a51.co.

MechanismTarget
SPF_Aactivesync.a51.co
SPF_IP208.92.156.0/27
SPF_IP208.92.156.109
SPF_IP208.92.158.0/27
SPF_MXactivesync.a51.co

Related pages

Pivot deeper into the graph from activesync.a51.co.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "activesync.a51.co"})-[: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.