Hostname

stef.at

Last fetched Tue, 26 May 2026 15:45:37 GMT

stef.at resolves to 1 IPv4 address operated by NESSUS in AT. WHOIS lists registrar:easyname gmbh as the registrar.

Nutrition Label

Resolution chain

stef.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
91.151.18.29	91.151.16.0/22	AS47692	NESSUS	AT

WHOIS identity

Registrar: registrar:easyname gmbh
Organization: christian tudor
Contact emails: —

Subdomains

4 observed subdomains of stef.at.

Subdomain
mail.stef.at
www.stef.at
webmail.stef.at
smtp.stef.at

Web-graph footprint

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

24 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

Pivot deeper into the graph from stef.at.

Cypher and MCP

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

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