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Hostname

sys4.de

Last fetched

sys4.de resolves to 1 IPv4 address operated by MYOWN-AS www.myown.eu in DE.

Nutrition Label

WHISPER CANON · sys4.deRouting diversity1.5/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency0.0/10Resolver footprint8.0/10canon.whisper.security/host/sys4.de

Resolution chain

sys4.de resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
194.126.158.152194.126.158.0/23AS35003MYOWN-AS www.myown.euDE

WHOIS identity

No WHOIS records are currently associated with sys4.de in WhisperGraph.

Subdomains

59 observed subdomains of sys4.de.

Subdomain
billing.sys4.de
mike.sys4.de
meter.sys4.de
mail01.sys4.de
mail.sys4.de
m3aawg55.sys4.de
log.sys4.de
list02.sys4.de
list01.sys4.de
list.sys4.de
ldap.sys4.de
kibana.sys4.de
india.sys4.de
hotel.sys4.de
golf.sys4.de
ftp.sys4.de
foxtrot.sys4.de
forecast.sys4.de
files.sys4.de
download.sys4.de
dane-dev.sys4.de
dane.sys4.de
charlie.sys4.de
bravo.sys4.de
blog.sys4.de

Showing 25 of 59. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from sys4.de in the public web crawl.

56 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for sys4.de.

MechanismTarget
SPF_IP188.68.34.52
SPF_IP194.126.158.132
SPF_IP194.126.158.144
SPF_IP2001:1578:400:111:0:0:0:7
SPF_IP212.114.206.217
SPF_IP2a03:4000:10:51d:b8ce:63ff:feca:a5a0

Related pages

Pivot deeper into the graph from sys4.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "sys4.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.