Hostname

fequartz.nl

Last fetched Wed, 29 Jul 2026 23:38:53 GMT

fequartz.nl has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:instra corporation (europe) ltd as the registrar.

Nutrition Label

Resolution chain

fequartz.nl has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar: registrar:instra corporation (europe) ltd
Organization: —
Contact emails: —

Subdomains

7 observed subdomains of fequartz.nl.

Subdomain
de.fequartz.nl
en.fequartz.nl
es.fequartz.nl
fr.fequartz.nl
nl.fequartz.nl
no.fequartz.nl
www.fequartz.nl

Web-graph footprint

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

6 sites link to this hostname.

64 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for fequartz.nl.

Mechanism	Target
SPF_INCLUDE	_spf.google.com

Pivot deeper into the graph from fequartz.nl.

Cypher and MCP

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

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