koeln.de on Whisper Internet Directory

Nutrition Label

Resolution chain

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

IP	Prefix	ASN	Operator	Country
81.173.246.122	81.173.128.0/17	AS8422	—	DE

WHOIS identity

No WHOIS records are currently associated with koeln.de in WhisperGraph.

Subdomains

99 observed subdomains of koeln.de.

Subdomain
a-tiles.koeln.de
ads.koeln.de
adventskalender.koeln.de
akf.koeln.de
apps.koeln.de
assets.koeln.de
beta.koeln.de
bilder01.koeln.de
bildung.koeln.de
branchen.koeln.de
brummi-db.koeln.de
brummi.koeln.de
brummi02-rsb.koeln.de
brummi02.koeln.de
brummi03-rsb.koeln.de
brummi03.koeln.de
buddy.koeln.de
c-tiles.koeln.de
cdn01.koeln.de
charts.koeln.de
cleanfiles.koeln.de
collab.koeln.de
data-dc874fa9ed.koeln.de
dbslave01.koeln.de
dev.koeln.de

Showing 25 of 99. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from koeln.de in the public web crawl.

2,342 sites link to this hostname.

1,575 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for koeln.de.

Mechanism	Target
SPF_INCLUDE	_spf1.snafu.de
SPF_INCLUDE	_spf2.snafu.de
SPF_INCLUDE	netcologne.de

Related pages

Pivot deeper into the graph from koeln.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "koeln.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.