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Hostname

cas.de

Last fetched

cas.de resolves to 2 IPv4 addresses operated by HETZNER-AS in DE.

Nutrition Label

WHISPER CANON · cas.deRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/cas.de

Resolution chain

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

IPPrefixASNOperatorCountry
138.199.128.20138.199.128.0/17AS24940HETZNER-ASDE
138.199.128.23138.199.128.0/17AS24940HETZNER-ASDE

WHOIS identity

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Subdomains

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Web-graph footprint

Distinct hostnames that link to or from cas.de in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

11 SPF mechanisms authorising senders for cas.de.

MechanismTarget
SPF_INCLUDE_spf.senders.scnem.com
SPF_INCLUDEinxserver.com
SPF_INCLUDEspf.cas-de.cloud.nospamproxy.com
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf.smtp.net
SPF_IP212.79.207.107
SPF_IP213.144.5.0/24
SPF_IP2a00:1158:3:0:0:0:0:1b5
SPF_IP46.252.27.250
SPF_IP62.112.72.235
SPF_IP85.115.28.228/32

Related pages

Pivot deeper into the graph from cas.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "cas.de"})-[: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.