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Hostname

cos.edu

Last fetched

cos.edu resolves to 9 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in US.

Nutrition Label

WHISPER CANON · cos.eduRouting diversity4.5/10Peering density9.6/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency3.3/10Resolver footprint4.6/10canon.whisper.security/host/cos.edu

Resolution chain

cos.edu resolves to 9 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
100.22.160.221100.20.0.0/14AS16509AMAZON-02 - Amazon.com, Inc.US
100.22.84.58100.20.0.0/14AS16509AMAZON-02 - Amazon.com, Inc.US
34.214.37.16434.208.0.0/12AS16509AMAZON-02 - Amazon.com, Inc.US
35.165.58.9135.160.0.0/13AS16509AMAZON-02 - Amazon.com, Inc.US
44.224.66.244.224.0.0/11AS16509AMAZON-02 - Amazon.com, Inc.US
44.239.165.16144.224.0.0/11AS16509AMAZON-02 - Amazon.com, Inc.US
52.12.16.1252.12.0.0/15AS16509AMAZON-02 - Amazon.com, Inc.US
52.25.84.12752.24.0.0/14AS16509AMAZON-02 - Amazon.com, Inc.US
54.200.127.10954.200.0.0/15AS16509AMAZON-02 - Amazon.com, Inc.US

WHOIS identity

Registrar
—
Organization
college of the sequoias
Contact emails
—

Subdomains

66 observed subdomains of cos.edu.

Subdomain
_regroup.cos.edu
_spf.cos.edu
alertus.cos.edu
assist.cos.edu
autodiscover.cos.edu
banmobile.cos.edu
banneradm.cos.edu
banweb.cos.edu
baseball.cos.edu
bdmstest.cos.edu
beta.cos.edu
blog.cos.edu
bookstore.cos.edu
careertraining.cos.edu
catalog.cos.edu
clearpass.cos.edu
comp233.cos.edu
cosvets.cos.edu
email.cos.edu
esars.cos.edu
flexreg.cos.edu
futurecatalog.cos.edu
giantmail.cos.edu
giantprints.cos.edu
go.cos.edu

Showing 25 of 66. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from cos.edu in the public web crawl.

323 sites link to this hostname.

349 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

15 SPF mechanisms authorising senders for cos.edu.

MechanismTarget
SPF_INCLUDE_regroup.cos.edu
SPF_INCLUDE_spf.cos.edu
SPF_INCLUDE_spf.google.com
SPF_INCLUDE_spf.meltwater.com
SPF_INCLUDE_spf_useast2.prod.hydra.sophos.com
SPF_INCLUDEmail.zendesk.com
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf_.watermarkinsights.com
SPF_IP205.207.104.0/22
SPF_IP208.74.204.9/24
SPF_IP208.75.120.0/22
SPF_IP216.17.150.242
SPF_IP216.17.150.251
SPF_IP35.80.141.6/32
SPF_IP44.229.121.55/32

Related pages

Pivot deeper into the graph from cos.edu.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "cos.edu"})-[: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.