Hostname

4zero.at

Last fetched Fri, 22 May 2026 02:34:13 GMT

4zero.at resolves to 1 IPv4 address operated by ONE-NETWORK in DE. WHOIS lists registrar:united-domains gmbh as the registrar.

Nutrition Label

Resolution chain

4zero.at resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
5.44.111.147	5.44.96.0/20	AS8648	ONE-NETWORK	DE

WHOIS identity

Registrar: registrar:united-domains gmbh
Organization: philipp zangerle
Contact emails: —

Subdomains

3 observed subdomains of 4zero.at.

Subdomain
mail.4zero.at
www.4zero.at
wildcard.4zero.at

Web-graph footprint

Distinct hostnames that link to or from 4zero.at in the public web crawl.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for 4zero.at.

Mechanism	Target
SPF_A	4zero.at
SPF_INCLUDE	secure-mailgate.com
SPF_MX	4zero.at

Pivot deeper into the graph from 4zero.at.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "4zero.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.