Skip to content

Hostname

quad9.net

Last fetched

quad9.net resolves to 1 IPv4 address operated by SWITCH Switch, Swiss Academic and Research Network in CH.

Nutrition Label

WHISPER CANON · quad9.netRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/quad9.net

Resolution chain

quad9.net resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
195.176.255.138195.176.224.0/19AS559SWITCH Switch, Swiss Academic and Research NetworkCH
195.176.255.138195.176.224.0/19AS559SWITCH Switch, Swiss Academic and Research NetworkCH

WHOIS identity

WHOIS data is temporarily unavailable. Refresh in a moment to retry.

Subdomains

Subdomain count is temporarily unavailable. Refresh in a moment to retry.

Web-graph footprint

Distinct hostnames that link to or from quad9.net in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for quad9.net.

MechanismTarget
SPF_Aquad9.net
SPF_INCLUDE_spf.quad9.net
SPF_INCLUDEmail.zendesk.com
SPF_INCLUDEservers.mcsv.net
SPF_INCLUDEstspg-customer.com
SPF_MXquad9.net

Related pages

Pivot deeper into the graph from quad9.net.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "quad9.net"})-[: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.