atu.de on Whisper Internet Directory

Nutrition Label

Resolution chain

atu.de resolves to 5 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
104.17.165.237	104.17.160.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA
104.17.166.237	104.17.160.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA
104.17.180.71	104.17.176.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA
104.17.181.71	104.17.176.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA
104.17.87.114	104.17.80.0/20	AS13335	CLOUDFLARENET - Cloudflare, Inc.	CA

WHOIS identity

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

Subdomains

65 observed subdomains of atu.de.

Subdomain
aluett.atu.de
api-test.atu.de
api.atu.de
ases.atu.de
auth-test.atu.de
auth.atu.de
autowerkstatt.atu.de
c1.atu.de
c2.atu.de
developer.atu.de
dsp.atu.de
dspp.atu.de
dsps.atu.de
dss.atu.de
ebaydata.atu.de
expressway1.atu.de
expressway2.atu.de
ftps.atu.de
idp.atu.de
info.atu.de
karriere.atu.de
link11.atu.de
m.atu.de
mail-media.atu.de
nl-stats.atu.de

Showing 25 of 65. View all subdomains →

Web-graph footprint

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

549 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for atu.de.

Mechanism	Target
SPF_INCLUDE	_spf.google.com
SPF_INCLUDE	mailgun.org
SPF_INCLUDE	spf.protection.outlook.com
SPF_IP	193.37.131.0/24

Related pages

Pivot deeper into the graph from atu.de.

Cypher and MCP

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

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