Hostname

smtp01.linux.et.de

Last fetched Tue, 21 Jul 2026 23:17:08 GMT

smtp01.linux.et.de resolves to 3 IPv4 addresses operated by AS24940 in DE.

Nutrition Label

Resolution chain

smtp01.linux.et.de resolves to 3 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
144.76.59.138	144.76.0.0/16	AS24940	—	DE
66.175.209.179	66.175.208.0/21	AS63949	—	US
96.126.111.165	96.126.104.0/21	AS63949	—	US

WHOIS identity

No WHOIS records are currently associated with smtp01.linux.et.de in WhisperGraph.

Threat posture

History

Mail and authentication

MX records

mail.mailerhost.net

SPF policy

1 SPF mechanism authorising senders for smtp01.linux.et.de.

Mechanism	Target
SPF_IP	fd43:c0d1:c090::/48

Pivot deeper into the graph from smtp01.linux.et.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "smtp01.linux.et.de"})-[: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.