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Hostname

dier.nu

Last fetched

dier.nu resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.

Nutrition Label

WHISPER CANON · dier.nuRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/dier.nu

Resolution chain

dier.nu resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.47.115104.21.32.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.147.124172.67.144.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

No WHOIS records are currently associated with dier.nu in WhisperGraph.

Subdomains

13 observed subdomains of dier.nu.

Subdomain
autodiscover.dier.nu
www.dier.nu
staging.dier.nu
secure.dier.nu
mta-sts.dier.nu
export.dier.nu
email.dier.nu
e.dier.nu
dierenlot.dier.nu

Showing 9 of 13. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from dier.nu in the public web crawl.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for dier.nu.

MechanismTarget
SPF_INCLUDE_spf.mailplus.nl
SPF_INCLUDEspf.bwh.nu
SPF_INCLUDEspf.protection.outlook.com
SPF_MXdier.nu

Related pages

Pivot deeper into the graph from dier.nu.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "dier.nu"})-[: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.