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Hostname

a4.no

Last fetched

a4.no resolves to 2 IPv4 addresses operated by AS49788 in NO.

Nutrition Label

WHISPER CANON · a4.noRouting diversity1.5/10Peering density5.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint3.2/10canon.whisper.security/host/a4.no

Resolution chain

a4.no resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

WHOIS identity

No WHOIS records are currently associated with a4.no in WhisperGraph.

Subdomains

26 observed subdomains of a4.no.

Web-graph footprint

Distinct hostnames that link to or from a4.no in the public web crawl.

7 sites linked to from this hostname.

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for a4.no.

MechanismTarget
SPF_Aa4.no
SPF_INCLUDE_spf.a4_no._d.easydmarc.pro
SPF_IP151.252.12.210
SPF_IP64.239.19.10
SPF_IP77.40.236.10
SPF_MXa4.no

Related pages

Pivot deeper into the graph from a4.no.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "a4.no"})-[: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.