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Hostname

21co.com

Last fetched

21co.com resolves to 1 IPv4 address operated by AMAZON-02 - Amazon.com, Inc. in AU.

Nutrition Label

WHISPER CANON · 21co.comRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/21co.com

Resolution chain

21co.com resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
13.55.22.8313.54.0.0/15AS16509AMAZON-02 - Amazon.com, Inc.AU

WHOIS identity

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Subdomains

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Web-graph footprint

Distinct hostnames that link to or from 21co.com in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

16 SPF mechanisms authorising senders for 21co.com.

MechanismTarget
SPF_Asmtp-cbo.21co.com
SPF_Asmtp-dco.21co.com
SPF_INCLUDEmail.verity.cloud
SPF_INCLUDEspf.cn005072.zixworks.com
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf.us.exclaimer.net
SPF_IP104.209.35.28/32
SPF_IP104.251.16.4
SPF_IP104.251.17.0/24
SPF_IP104.251.20.150
SPF_IP104.251.31.0/24
SPF_IP18.217.82.134/32
SPF_IP35.169.47.31/32
SPF_IP52.8.140.255/32
SPF_IP54.164.132.26/32
SPF_MX21co.com

Related pages

Pivot deeper into the graph from 21co.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "21co.com"})-[: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.