Skip to content

Hostname

sigmachain.net

Last fetched

sigmachain.net resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:244 as the registrar.

Nutrition Label

WHISPER CANON · sigmachain.netRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/sigmachain.net

Resolution chain

sigmachain.net resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.42.218104.21.32.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.210.104172.67.208.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:244
Organization
sigmachain
Contact emails

Subdomains

2 observed subdomains of sigmachain.net.

Subdomain
mail.sigmachain.net
www.sigmachain.net

Web-graph footprint

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

11 sites link to this hostname.

28 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for sigmachain.net.

MechanismTarget
SPF_INCLUDE_spf1.mailnara.co.kr
SPF_INCLUDE_spf2.mailnara.co.kr
SPF_INCLUDE_spf3.mailnara.co.kr
SPF_INCLUDE_spf4.mailnara.co.kr
SPF_INCLUDE_spf5.mailnara.co.kr

Related pages

Pivot deeper into the graph from sigmachain.net.

Cypher and MCP

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

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