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Hostname

blockcommunications.com

Last fetched

blockcommunications.com resolves to 1 IPv4 address operated by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation in US. WHOIS lists iana:2 as the registrar.

Nutrition Label

WHISPER CANON · blockcommunications.comRouting diversity1.5/10Peering density6.7/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.0/10canon.whisper.security/host/blockcommunications.com

Resolution chain

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

IPPrefixASNOperatorCountry
172.191.157.99172.160.0.0/11AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft CorporationUS

WHOIS identity

Registrar
iana:2
Organization
block communications,
Contact emails

Subdomains

3 observed subdomains of blockcommunications.com.

Subdomain
autodiscover.blockcommunications.com
jobs.blockcommunications.com
www.blockcommunications.com

Web-graph footprint

Distinct hostnames that link to or from blockcommunications.com in the public web crawl.

17 sites link to this hostname.

16 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

11 SPF mechanisms authorising senders for blockcommunications.com.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf.us.exclaimer.net
SPF_IP192.254.121.248/32
SPF_IP206.166.216.218
SPF_IP206.166.218.133
SPF_IP208.84.248.11
SPF_IP208.84.251.130
SPF_IP52.203.41.93/32
SPF_IP72.240.1.246
SPF_IP72.240.36.32/27
SPF_MXblockcommunications.com

Related pages

Pivot deeper into the graph from blockcommunications.com.

Cypher and MCP

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

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