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Hostname

a2bsecurity.nl

Last fetched

a2bsecurity.nl resolves to 1 IPv4 address operated by AS12859 in NL. WHOIS lists registrar:internationale domeinregistratie nederland as the registrar.

Nutrition Label

WHISPER CANON · a2bsecurity.nlRouting diversity1.5/10Peering density9.9/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.0/10canon.whisper.security/host/a2bsecurity.nl

Resolution chain

a2bsecurity.nl resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
185.173.21.138185.173.21.0/24AS12859—NL

WHOIS identity

Registrar
registrar:internationale domeinregistratie nederland
Organization
—
Contact emails
—

Subdomains

1 observed subdomain of a2bsecurity.nl.

Subdomain
www.a2bsecurity.nl

Web-graph footprint

Distinct hostnames that link to or from a2bsecurity.nl in the public web crawl.

19 sites link to this hostname.

24 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for a2bsecurity.nl.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com
SPF_IP89.19.63.10
SPF_MXa2bsecurity.nl

Related pages

Pivot deeper into the graph from a2bsecurity.nl.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "a2bsecurity.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.