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Hostname

pernull.at

Last fetched

pernull.at resolves to 1 IPv4 address operated by AS20857 in NL.

Nutrition Label

WHISPER CANON · pernull.atRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.0/10canon.whisper.security/host/pernull.at

Resolution chain

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

IPPrefixASNOperatorCountry
136.144.179.199136.144.128.0/17AS20857—NL

WHOIS identity

No WHOIS records are currently associated with pernull.at in WhisperGraph.

Subdomains

1 observed subdomain of pernull.at.

Subdomain
www.pernull.at

Web-graph footprint

Distinct hostnames that link to or from pernull.at in the public web crawl.

33 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 pernull.at.

MechanismTarget
SPF_INCLUDEspf.meisters.io
SPF_IP144.76.130.0/24

Related pages

Pivot deeper into the graph from pernull.at.

Cypher and MCP

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

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