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Hostname

sert.work

Last fetched

sert.work resolves to 1 IPv4 address operated by AS24940 in DE. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · sert.workRouting diversity1.5/10Peering density8.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.6/10canon.whisper.security/host/sert.work

Resolution chain

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

IPPrefixASNOperatorCountry
46.4.4.946.4.0.0/16AS24940—DE

WHOIS identity

Registrar
iana:146
Organization
domains by proxy,
Contact emails
—

Subdomains

1 observed subdomain of sert.work.

Subdomain
www.sert.work

Web-graph footprint

Distinct hostnames that link to or from sert.work in the public web crawl.

16 sites link to this hostname.

45 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for sert.work.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com
SPF_IP46.4.4.9

Related pages

Pivot deeper into the graph from sert.work.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "sert.work"})-[: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.