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Hostname

cern.at

Last fetched

cern.at resolves to 4 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists registrar:inwx gmbh as the registrar.

Nutrition Label

WHISPER CANON · cern.atRouting diversity3.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/cern.at

Resolution chain

cern.at resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.15.26104.21.0.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.161.15172.67.160.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
188.114.96.11188.114.96.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA
188.114.97.11188.114.97.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
registrar:inwx gmbh
Organization
ip-systems informationssysteme e.u.
Contact emails
—

Subdomains

3 observed subdomains of cern.at.

Subdomain
mail.cern.at
mx3.cern.at
www.cern.at

Threat posture

History

Mail and authentication

MX records

SPF policy

8 SPF mechanisms authorising senders for cern.at.

MechanismTarget
SPF_Acern.at
SPF_INCLUDE_spf.ip.co.at
SPF_INCLUDE_spf.mx5.ip.co.at
SPF_IP168.119.129.61
SPF_IP2a01:4f8:162:4232:0:0:0:8
SPF_IP2a01:4f8:fff0:73:1:61:0:1
SPF_IP5.9.234.22
SPF_MXcern.at

Related pages

Pivot deeper into the graph from cern.at.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "cern.at"})-[: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.