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Hostname

marrow.is

Last fetched

marrow.is appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.

Nutrition Label

WHISPER CANON · marrow.isRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/marrow.is

Resolution chain

marrow.is has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

WHOIS data is temporarily unavailable. Refresh in a moment to retry.

Subdomains

Subdomain count is temporarily unavailable. Refresh in a moment to retry.

Web-graph footprint

Distinct hostnames that link to or from marrow.is in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for marrow.is.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDE_spf.mailersend.net

Related pages

Pivot deeper into the graph from marrow.is.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "marrow.is"})-[: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.