Hostname

backtap.jp

Last fetched Tue, 02 Jun 2026 13:31:06 GMT

backtap.jp resolves to 1 IPv4 address operated by AS9370 in JP.

Nutrition Label

Resolution chain

backtap.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
163.43.87.173	163.43.0.0/16	AS9370	—	JP

WHOIS identity

No WHOIS records are currently associated with backtap.jp in WhisperGraph.

Subdomains

1 observed subdomain of backtap.jp.

Subdomain
www.backtap.jp

Web-graph footprint

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

18 sites linked to from this hostname.

Sample inbound links

tsukuba-stapa.jp

Sample outbound links

Threat posture

History

Mail and authentication

MX records

backtap.jp

SPF policy

2 SPF mechanisms authorising senders for backtap.jp.

Mechanism	Target
SPF_A	www3933.sakura.ne.jp
SPF_MX	backtap.jp

Pivot deeper into the graph from backtap.jp.

Cypher and MCP

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

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