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Hostname

a39.dk

Last fetched

a39.dk is a registered hostname under the .dk top-level domain. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

WHISPER CANON · a39.dkRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/a39.dk

Resolution chain

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WHOIS identity

Registrar
—
Organization
infra group danmark aps
Contact emails

Subdomains

4 observed subdomains of a39.dk.

Subdomain
mail.a39.dk
old.a39.dk
www.a39.dk

Showing 3 of 4. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from a39.dk in the public web crawl.

18 sites link to this hostname.

31 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for a39.dk.

MechanismTarget
SPF_Aa39.dk
SPF_INCLUDEspf.curanet.dk
SPF_INCLUDEspf.stom.dk
SPF_MXa39.dk

Related pages

Pivot deeper into the graph from a39.dk.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "a39.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.