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Hostname

mail.cornerstone.id

Last fetched

mail.cornerstone.id resolves to 1 IPv4 address operated by AS47583 in ID.

Nutrition Label

WHISPER CANON · mail.cornerstone.idRouting diversity1.5/10Peering density7.7/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint3.2/10canon.whisper.security/host/mail.cornerstone.id

Resolution chain

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

IPPrefixASNOperatorCountry
76.13.16.25276.13.16.0/21AS47583—ID

WHOIS identity

No WHOIS records are currently associated with mail.cornerstone.id in WhisperGraph.

Threat posture

History

Mail and authentication

MX records

SPF policy

10 SPF mechanisms authorising senders for mail.cornerstone.id.

MechanismTarget
SPF_Amail.cornerstone.id
SPF_INCLUDE_spf.google.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP103.167.219.42
SPF_IP103.86.160.52
SPF_IP147.139.167.102
SPF_IP156.67.221.192
SPF_IP202.158.69.162
SPF_IP76.13.16.252
SPF_MXmail.cornerstone.id

Related pages

Pivot deeper into the graph from mail.cornerstone.id.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "mail.cornerstone.id"})-[: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.