Hostname

coolz.nl

Last fetched Thu, 23 Jul 2026 17:59:05 GMT

coolz.nl resolves to 1 IPv4 address operated by AS206281 in BE. WHOIS lists registrar:zxcs as the registrar.

Nutrition Label

Resolution chain

coolz.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
185.220.172.4	185.220.172.0/24	AS206281	—	BE
185.220.172.4	185.220.172.0/24	AS206281	—	BE

WHOIS identity

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

Subdomains

4 observed subdomains of coolz.nl.

Subdomain
hostmaster.coolz.nl
mail.coolz.nl
wildcard.coolz.nl
www.coolz.nl

Web-graph footprint

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

23 sites link to this hostname.

807 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

spamrelay.zxcs.nl

SPF policy

5 SPF mechanisms authorising senders for coolz.nl.

Mechanism	Target
SPF_A	coolz.nl
SPF_INCLUDE	filter-out.zxcs.nl
SPF_IP	185.220.172.4
SPF_IP	2a06:2ec0:1:e:0:0:0:125
SPF_MX	coolz.nl

Pivot deeper into the graph from coolz.nl.

Cypher and MCP

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

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