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Hostname

rrbk.koeln

Last fetched

rrbk.koeln resolves to 1 IPv4 address operated by AS34788 in DE. WHOIS lists iana:1328 as the registrar.

Nutrition Label

WHISPER CANON · rrbk.koelnRouting diversity1.5/10Peering density5.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/rrbk.koeln

Resolution chain

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

IPPrefixASNOperatorCountry
85.13.138.785.13.138.0/24AS34788—DE

WHOIS identity

Registrar
iana:1328
Organization
bernd schaefer
Contact emails

Subdomains

7 observed subdomains of rrbk.koeln.

Subdomain
dwo.rrbk.koeln
kolumba.rrbk.koeln
matomo.rrbk.koeln
www.rrbk.koeln

Showing 4 of 7. View all subdomains →

Web-graph footprint

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

19 sites link to this hostname.

133 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 rrbk.koeln.

MechanismTarget
SPF_Arrbk.koeln
SPF_INCLUDEspf.kasserver.com
SPF_MXrrbk.koeln

Related pages

Pivot deeper into the graph from rrbk.koeln.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "rrbk.koeln"})-[: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.