Hostname

postmaster.nrf.dk

Last fetched Fri, 18 Sep 2026 06:17:09 GMT

postmaster.nrf.dk resolves to 40.104.16.248, announced in 40.104.0.0/15 by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation in US. postmaster.nrf.dk is not listed on any threat feed indexed by WhisperGraph; reconciled level NONE.

Threat posture

0threat score (procedure-native scale)

NONE

No threats observed.

Threat feeds listing this: 0
Verdict coverage: known-clean

Nutrition Label

Resolution chain

40.104.16.248
40.104.0.0/15 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Washington, US
40.104.46.24
40.104.0.0/15 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Washington, US
40.104.47.104
40.104.0.0/15 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Washington, US
40.99.220.168
40.96.0.0/13 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Paris, FR
52.96.111.120
52.96.0.0/14 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Washington, US
52.96.111.40
52.96.0.0/14 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Washington, US
52.96.111.72
52.96.0.0/14 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Washington, US
52.96.33.88
52.96.0.0/14 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Washington, US
52.96.58.104
52.96.0.0/14 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Washington, US
52.96.64.136
52.96.0.0/14 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Washington, US
52.96.88.8
52.96.0.0/14 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Washington, US
52.96.9.184
52.96.0.0/14 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Washington, US
52.98.226.248
52.96.0.0/14 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Paris, FR
52.98.235.8
52.96.0.0/14 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Paris, FR
52.98.241.8
52.96.0.0/14 · MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · Paris, FR

IPv6 resolution

No AAAA record for postmaster.nrf.dk is recorded in WhisperGraph.

Attribution

Microsoft

cloud · ORIGIN_AS

WHOIS identity

WhisperGraph holds no WHOIS registrar, registrant organisation or contact email for postmaster.nrf.dk. WHOIS is recorded against the registrable domain, so a subdomain such as a www. host carries none of its own — check the registrable domain for this name.

Threat-feed evidence

History

Pivot from postmaster.nrf.dk into the addresses, networks and registries it depends on.

Cypher and MCP

Reproduce this hostname's resolution chain against graph.whisper.security:

MATCH (h:HOSTNAME {name: "postmaster.nrf.dk"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)-[:ROUTES]->(a:ASN)
OPTIONAL MATCH (a)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, a.name AS asn, n.name AS network
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.