Hostname

r56.nl

Last fetched Sun, 19 Jul 2026 09:15:45 GMT

r56.nl resolves to 1 IPv4 address operated by AS9150 in NL. WHOIS lists registrar:zxcs as the registrar.

Nutrition Label

Resolution chain

r56.nl 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
212.83.211.104	212.83.192.0/18	AS9150	—	NL

WHOIS identity

Registrar: registrar:zxcs
Organization: —
Contact emails: —

Subdomains

1 observed subdomain of r56.nl.

Subdomain
www.r56.nl

Web-graph footprint

Distinct hostnames that link to or from r56.nl in the public web crawl.

31 sites linked to from this hostname.

Sample inbound links

regio56makelaars.nl

Sample outbound links

Threat posture

History

Mail and authentication

MX records

r56-nl.mail.protection.outlook.com

SPF policy

2 SPF mechanisms authorising senders for r56.nl.

Mechanism	Target
SPF_INCLUDE	_spf.kolibri.software
SPF_INCLUDE	spf.protection.outlook.com

Pivot deeper into the graph from r56.nl.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "r56.nl"})-[: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.