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Hostname

office365.us

Last fetched

office365.us resolves to 7 IPv4 addresses operated by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation in US. WHOIS lists iana:299 as the registrar.

Nutrition Label

WHISPER CANON · office365.usRouting diversity2.4/10Peering density7.1/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency10.0/10Resolver footprint4.6/10canon.whisper.security/host/office365.us

Resolution chain

office365.us resolves to 7 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
131.253.86.134131.253.80.0/20AS8070MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft CorporationUS
131.253.86.150131.253.80.0/20AS8070MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft CorporationUS
131.253.86.166131.253.80.0/20AS8070MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft CorporationUS
131.253.86.182131.253.80.0/20AS8070MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft CorporationUS
40.66.16.13040.66.0.0/17AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft CorporationUS
40.66.16.19440.66.0.0/17AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft CorporationUS
40.66.16.240.66.0.0/17AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft CorporationUS

WHOIS identity

Registrar
iana:299
Organization
domain administrator
Contact emails

Subdomains

6,092 observed subdomains of office365.us.

Subdomain
001-01-f.office365.us
001-1-f.office365.us
001-1-fp.office365.us
001-arc-f.office365.us
001-bas-f.office365.us
001-cmp-f.office365.us
003-1-f.office365.us
006-1-f.office365.us
autodiscover-51500.office365.us
autodiscover-51501.office365.us
autodiscover-dod.office365.us
autodiscover-s-dod.office365.us
autodiscover-s.office365.us
autodiscover.office365.us
cdn.office365.us
ch1-003-aru.office365.us
ch1-006-aru.office365.us
config.office365.us
cosmic-dod.office365.us
cosmic-gcch.office365.us
cosmic.office365.us
dataclassification.office365.us
dod.office365.us
dodsuite.office365.us
ediscovery.office365.us

Showing 25 of 6,092. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from office365.us in the public web crawl.

20 sites link to this hostname.

1 site linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Related pages

Pivot deeper into the graph from office365.us.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "office365.us"})-[: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.