Skip to content

Hostname

mx.t4.cr

Last fetched

mx.t4.cr resolves to 1 IPv4 address operated by AS16973 in CR.

Nutrition Label

WHISPER CANON · mx.t4.crRouting diversity1.5/10Peering density3.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint0.0/10canon.whisper.security/host/mx.t4.cr

Resolution chain

mx.t4.cr resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
168.205.66.173168.205.66.0/24AS16973—CR

WHOIS identity

No WHOIS records are currently associated with mx.t4.cr in WhisperGraph.

Threat posture

History

Mail and authentication

SPF policy

5 SPF mechanisms authorising senders for mx.t4.cr.

MechanismTarget
SPF_Amx.t4.cr
SPF_IP168.205.66.173
SPF_IP190.4.89.176
SPF_IP190.4.89.95
SPF_MXmx.t4.cr

Related pages

Pivot deeper into the graph from mx.t4.cr.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "mx.t4.cr"})-[: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.