Hostname

sfa.works

Last fetched Tue, 14 Jul 2026 16:49:50 GMT

sfa.works resolves to 1 IPv4 address operated by AS34788 in DE. WHOIS lists iana:269 as the registrar.

Nutrition Label

Resolution chain

sfa.works 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
85.13.131.29	85.13.131.0/24	AS34788	—	DE

WHOIS identity

Registrar

iana:269

Organization

stefan fahrngruber

Contact emails

Subdomains

1 observed subdomain of sfa.works.

Subdomain
www.sfa.works

Web-graph footprint

Distinct hostnames that link to or from sfa.works in the public web crawl.

47 sites linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

w006611b.kasserver.com

SPF policy

3 SPF mechanisms authorising senders for sfa.works.

Mechanism	Target
SPF_A	sfa.works
SPF_INCLUDE	spf.kasserver.com
SPF_MX	sfa.works

Pivot deeper into the graph from sfa.works.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "sfa.works"})-[: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.