Hostname
extlink.co.jp
Last fetched
extlink.co.jp resolves to 1 IPv4 address operated by IDCF IDC Frontier Inc. in JP.
Nutrition Label
Resolution chain
extlink.co.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 |
|---|---|---|---|---|
| 203.137.75.65 | 203.137.64.0/20 | AS4694 | IDCF IDC Frontier Inc. | JP |
WHOIS identity
- Registrar
- —
- Organization
- extlink
- Contact emails
- —
Subdomains
549 observed subdomains of extlink.co.jp.
Showing 25 of 549. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from extlink.co.jp in the public web crawl.
37 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
13 SPF mechanisms authorising senders for extlink.co.jp.
| Mechanism | Target |
|---|---|
| SPF_A | extlink.co.jp |
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | vizan.co.jp |
| SPF_IP | 108.177.16.0/23 |
| SPF_IP | 142.250.220.0/23 |
| SPF_IP | 202.218.231.128/25 |
| SPF_IP | 203.137.75.0/24 |
| SPF_IP | 203.183.30.0/25 |
| SPF_IP | 203.183.80.0/24 |
| SPF_IP | 203.183.91.200 |
| SPF_IP | 211.14.167.0/23 |
| SPF_IP | 211.14.175.0/25 |
| SPF_MX | extlink.co.jp |
Related pages
Pivot deeper into the graph from extlink.co.jp.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "extlink.co.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.