Hostname

open.audio

Last fetched Fri, 22 May 2026 06:01:36 GMT

open.audio resolves to 1 IPv4 address operated by HETZNER-AS in FI. WHOIS lists iana:1420 as the registrar.

Nutrition Label

Resolution chain

open.audio 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
135.181.165.35	135.181.0.0/16	AS24940	HETZNER-AS	FI

WHOIS identity

Registrar: iana:1420
Organization: center for the cultivation of technology
Contact emails: —

Subdomains

1 observed subdomain of open.audio.

Subdomain
mail.open.audio

Web-graph footprint

Distinct hostnames that link to or from open.audio in the public web crawl.

136 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.open.audio

SPF policy

1 SPF mechanism authorising senders for open.audio.

Mechanism	Target
SPF_IP	135.181.165.35

Pivot deeper into the graph from open.audio.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "open.audio"})-[: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.