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Hostname

postmaster.sehanedu.com

Last fetched

postmaster.sehanedu.com resolves to 1 IPv4 address operated by SKB-AS SK Broadband Co Ltd in KR.

Nutrition Label

WHISPER CANON · postmaster.sehanedu.comRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/postmaster.sehanedu.com

Resolution chain

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

IPPrefixASNOperatorCountry
58.228.255.21958.224.0.0/13AS9318SKB-AS SK Broadband Co LtdKR

WHOIS identity

No WHOIS records are currently associated with postmaster.sehanedu.com in WhisperGraph.

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for postmaster.sehanedu.com.

MechanismTarget
SPF_IP211.34.104.37
SPF_IP58.228.255.219

Related pages

Pivot deeper into the graph from postmaster.sehanedu.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "postmaster.sehanedu.com"})-[: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.