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Hostname

fastmailserver.com

Last fetched

fastmailserver.com resolves to 1 IPv4 address operated by TELNET - Telnet Worldwide, Inc. in US. WHOIS lists iana:468 as the registrar.

Nutrition Label

WHISPER CANON · fastmailserver.comRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/fastmailserver.com

Resolution chain

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

IPPrefixASNOperatorCountry
216.144.210.156216.144.208.0/20AS27553TELNET - Telnet Worldwide, Inc.US

WHOIS identity

Registrar
iana:468
Organization
on behalf of fastmailserver.com owner
Contact emails

Subdomains

4 observed subdomains of fastmailserver.com.

Subdomain
mail.fastmailserver.com
www.fastmailserver.com
premium.fastmailserver.com

Showing 3 of 4. View all subdomains →

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for fastmailserver.com.

MechanismTarget
SPF_Afastmailserver.com
SPF_MXfastmailserver.com

Related pages

Pivot deeper into the graph from fastmailserver.com.

Cypher and MCP

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

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