Hostname

gradeup.xtwo.jp

Last fetched Mon, 10 Aug 2026 12:37:37 GMT

gradeup.xtwo.jp resolves to 1 IPv4 address operated by XSERVER - Xserver Inc. in JP.

Nutrition Label

Resolution chain

gradeup.xtwo.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
175.28.4.14	175.28.4.0/23	AS131965	XSERVER - Xserver Inc.	JP

WHOIS identity

No WHOIS records are currently associated with gradeup.xtwo.jp in WhisperGraph.

Web-graph footprint

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

32 sites linked to from this hostname.

Sample inbound links

bestsellerpublications.com

Sample outbound links

Threat posture

History

Mail and authentication

MX records

gradeup.xtwo.jp

SPF policy

4 SPF mechanisms authorising senders for gradeup.xtwo.jp.

Mechanism	Target
SPF_A	gradeup.xtwo.jp
SPF_A	sv13.xtwo.ne.jp
SPF_INCLUDE	spf.sender.xserver.jp
SPF_MX	gradeup.xtwo.jp

Pivot deeper into the graph from gradeup.xtwo.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "gradeup.xtwo.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.