Hostname

fir.at

Last fetched Tue, 26 May 2026 20:07:41 GMT

fir.at resolves to 1 IPv4 address operated by SINMA-ASN in DE.

Nutrition Label

Resolution chain

fir.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
83.223.86.111	83.223.64.0/19	AS8875	SINMA-ASN	DE

WHOIS identity

Registrar: —
Organization: thomas willms
Contact emails: —

Subdomains

1 observed subdomain of fir.at.

Subdomain
www.fir.at

Web-graph footprint

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

70 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mx.warenform.de

SPF policy

2 SPF mechanisms authorising senders for fir.at.

Mechanism	Target
SPF_A	fir.at
SPF_MX	fir.at

Pivot deeper into the graph from fir.at.

Cypher and MCP

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

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