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Hostname

c5mail.net

Last fetched

c5mail.net resolves to 1 IPv4 address operated by AMAZON-02 - Amazon.com, Inc. in DE. WHOIS lists iana:468 as the registrar.

Nutrition Label

WHISPER CANON · c5mail.netRouting diversity1.5/10Peering density9.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.3/10canon.whisper.security/host/c5mail.net

Resolution chain

c5mail.net resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
3.67.116.1103.64.0.0/12AS16509AMAZON-02 - Amazon.com, Inc.DE

WHOIS identity

Registrar
iana:468
Organization
cetrez c5 suite ab
Contact emails

Subdomains

14 observed subdomains of c5mail.net.

Subdomain
_spf.c5mail.net
mail0.c5mail.net
mail1.c5mail.net
mail2.c5mail.net
mail3.c5mail.net
mail4.c5mail.net
metrics.c5mail.net
ns1.c5mail.net
ns2.c5mail.net
ns3.c5mail.net
ns4.c5mail.net
response.c5mail.net
spf.c5mail.net
www.c5mail.net

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for c5mail.net.

MechanismTarget
SPF_IP2a02:750:9:0:0:0:0:10c
SPF_IP46.21.102.251

Related pages

Pivot deeper into the graph from c5mail.net.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "c5mail.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.