Hostname

holger-seit.de

Last fetched Sat, 25 Jul 2026 02:58:15 GMT

holger-seit.de appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.

Nutrition Label

Resolution chain

holger-seit.de has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

No WHOIS records are currently associated with holger-seit.de in WhisperGraph.

Subdomains

5 observed subdomains of holger-seit.de.

Subdomain
2023.holger-seit.de
ra.holger-seit.de
www.holger-seit.de

Showing 3 of 5. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from holger-seit.de in the public web crawl.

17 sites linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

w017c579.kasserver.com

SPF policy

3 SPF mechanisms authorising senders for holger-seit.de.

Mechanism	Target
SPF_A	holger-seit.de
SPF_INCLUDE	spf.kasserver.com
SPF_MX	holger-seit.de

Pivot deeper into the graph from holger-seit.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "holger-seit.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.