Hostname
firstinc.jp
Last fetched
firstinc.jp resolves to 1 IPv4 address operated by AS7684 in JP.
Nutrition Label
Resolution chain
firstinc.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 |
|---|---|---|---|---|
| 153.126.242.72 | 153.126.128.0/17 | AS7684 | — | JP |
WHOIS identity
- Registrar
- —
- Organization
- first
- Contact emails
Subdomains
69 observed subdomains of firstinc.jp.
Showing 25 of 69. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from firstinc.jp in the public web crawl.
20 sites link to this hostname.
111 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
11 SPF mechanisms authorising senders for firstinc.jp.
| Mechanism | Target |
|---|---|
| SPF_A | www924.sakura.ne.jp |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 133.125.54.30 |
| SPF_IP | 133.242.182.160 |
| SPF_IP | 133.242.197.215 |
| SPF_IP | 133.242.2.13 |
| SPF_IP | 160.16.207.219 |
| SPF_IP | 219.94.128.164 |
| SPF_IP | 2401:2500:103:2:133:242:2:13 |
| SPF_IP | 2403:3a00:101:9:219:94:128:164 |
| SPF_MX | firstinc.jp |
Related pages
Pivot deeper into the graph from firstinc.jp.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "firstinc.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.