Hostname

nuc.or.jp

Last fetched Mon, 03 Aug 2026 21:25:10 GMT

nuc.or.jp resolves to 1 IPv4 address operated by SAKURA-B - SAKURA Internet Inc. in JP.

Nutrition Label

Resolution chain

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

IP	Prefix	ASN	Operator	Country
27.133.145.142	27.133.128.0/19	AS9370	SAKURA-B - SAKURA Internet Inc.	JP

WHOIS identity

No WHOIS records are currently associated with nuc.or.jp in WhisperGraph.

Subdomains

2 observed subdomains of nuc.or.jp.

Subdomain
mail.nuc.or.jp
www.nuc.or.jp

Web-graph footprint

Distinct hostnames that link to or from nuc.or.jp in the public web crawl.

14 sites link to this hostname.

30 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.nuc.or.jp

SPF policy

1 SPF mechanism authorising senders for nuc.or.jp.

Mechanism	Target
SPF_INCLUDE	spf.all-internet.jp

Pivot deeper into the graph from nuc.or.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "nuc.or.jp"})-[: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.