Hostname

4230.dk

Last fetched Tue, 23 Jun 2026 11:24:39 GMT

4230.dk is a registered hostname under the .dk top-level domain. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

Resolution chain

Resolution chain data is temporarily unavailable. Refresh in a moment to retry.

WHOIS identity

Registrar: registrar:simply.com a/s
Organization: peder aggergaard christiansen
Contact emails: —

Subdomains

2 observed subdomains of 4230.dk.

Subdomain
mail.4230.dk
www.4230.dk

Web-graph footprint

Distinct hostnames that link to or from 4230.dk in the public web crawl.

40 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mx.simply.com

SPF policy

3 SPF mechanisms authorising senders for 4230.dk.

Mechanism	Target
SPF_A	4230.dk
SPF_INCLUDE	spf.simply.com
SPF_MX	4230.dk

Pivot deeper into the graph from 4230.dk.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "4230.dk"})-[: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.