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Hostname

dyn.com

Last fetched

dyn.com resolves to 8 IPv4 addresses operated by AKAMAI-ASN1 in KR. WHOIS lists iana:292 as the registrar.

Nutrition Label

WHISPER CANON · dyn.comRouting diversity3.5/10Peering density9.2/10MOAS conflict✓ noneThreat-feed listings6.0/10WHOIS transparency10.0/10Resolver footprint4.6/10canon.whisper.security/host/dyn.com

Resolution chain

dyn.com resolves to 8 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
23.35.218.2523.35.218.0/24AS20940AKAMAI-ASN1KR
23.35.218.2623.35.218.0/24AS20940AKAMAI-ASN1KR
23.73.207.1023.73.207.0/24AS20940AKAMAI-ASN1US
23.73.207.1223.73.207.0/24AS20940AKAMAI-ASN1US
86.51.81.2586.51.81.0/24AS35819WEBFACTOR-ASSA
86.51.81.13786.51.81.0/24AS35819WEBFACTOR-ASSA
86.51.94.21086.51.94.0/24AS35819WEBFACTOR-ASSA
86.51.94.23586.51.94.0/24AS35819WEBFACTOR-ASSA

WHOIS identity

Registrar
iana:292
Organization
domain administrator
Contact emails

Subdomains

67 observed subdomains of dyn.com.

Subdomain
a.dyn.com
email.dyn.com
edge-pao.dyn.com
edge-lon.dyn.com
edge-iad.dyn.com
edge-hkg.dyn.com
edge-fra.dyn.com
edge-ewr.dyn.com
edge-ams.dyn.com
dnstest.dyn.com
dns.dyn.com
dii-psm1.dyn.com
dii-mia1.dyn.com
corp.dyn.com
content.dyn.com
cloudnative.dyn.com
checkip.dyn.com
cdn-pao.dyn.com
cdn-lon.dyn.com
cdn-iad.dyn.com
cdn-fra.dyn.com
cdn-ewr.dyn.com
cdn-ams.dyn.com
cdn.dyn.com
account.dyn.com

Showing 25 of 67. View all subdomains →

Web-graph footprint

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

1,515 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

29 SPF mechanisms authorising senders for dyn.com.

MechanismTarget
SPF_INCLUDE_spf.salesforce.com
SPF_INCLUDErp.oracleemaildelivery.com
SPF_INCLUDEspf.dynect.net
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf_c.oraclecloud.com
SPF_INCLUDEstspg-customer.com
SPF_IP104.209.130.35
SPF_IP104.209.130.71/32
SPF_IP104.209.132.14
SPF_IP104.209.133.195
SPF_IP104.209.133.54
SPF_IP104.209.134.151
SPF_IP111.221.94.91
SPF_IP13.68.100.116
SPF_IP138.1.126.40
SPF_IP138.91.37.12
SPF_IP182.50.76.0/22
SPF_IP195.160.236.246/32
SPF_IP195.160.237.248/32
SPF_IP204.14.232.0/21
SPF_IP216.146.45.0/24
SPF_IP216.6.202.0/24
SPF_IP23.101.16.102
SPF_IP23.101.17.118
SPF_IP23.101.18.6
SPF_IP23.98.64.25
SPF_IP40.123.47.107
SPF_IP52.38.191.241/32
SPF_IP96.43.144.0/20

Related pages

Pivot deeper into the graph from dyn.com.

Cypher and MCP

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

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