Hostname

23blau.de

Last fetched Tue, 23 Jun 2026 09:00:29 GMT

23blau.de is a registered hostname under the .de top-level domain. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

Resolution chain

Resolution chain data is temporarily unavailable. Refresh in a moment to retry.

WHOIS identity

No WHOIS records are currently associated with 23blau.de in WhisperGraph.

Subdomains

18 observed subdomains of 23blau.de.

Subdomain
dump.23blau.de
felix.23blau.de
gaestebuch.23blau.de
gaestebuch2.23blau.de
mail.23blau.de
markbrandis.23blau.de
mb.23blau.de
net.23blau.de
next.23blau.de
wolke.23blau.de
www.23blau.de

Showing 11 of 18. View all subdomains →

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for 23blau.de.

Mechanism	Target
SPF_A	23blau.de
SPF_MX	23blau.de

Pivot deeper into the graph from 23blau.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "23blau.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.