Hostname

arst.dk

Last fetched Mon, 29 Jun 2026 23:52:39 GMT

arst.dk resolves to 1 IPv4 address operated by AS24940 in DE.

Nutrition Label

Resolution chain

arst.dk 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
49.13.83.139	49.13.0.0/16	AS24940	—	DE

WHOIS identity

No WHOIS records are currently associated with arst.dk in WhisperGraph.

Subdomains

1 observed subdomain of arst.dk.

Subdomain
www.arst.dk

Web-graph footprint

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

55 sites link to this hostname.

298 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 arst.dk.

Mechanism	Target
SPF_INCLUDE	mailbox.org

Pivot deeper into the graph from arst.dk.

Cypher and MCP

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

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