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Hostname

sempf.net

Last fetched

sempf.net is a registered hostname under the .net top-level domain. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

WHISPER CANON · sempf.netRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/sempf.net

Resolution chain

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WHOIS identity

Registrar
iana:1387
Organization
bill sempf
Contact emails

Subdomains

1 observed subdomain of sempf.net.

Subdomain
www.sempf.net

Web-graph footprint

Distinct hostnames that link to or from sempf.net in the public web crawl.

29 sites link to this hostname.

340 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

Related pages

Pivot deeper into the graph from sempf.net.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "sempf.net"})-[: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.