Hostname
postmaster.fastfive.kr
Last fetched
postmaster.fastfive.kr resolves to 4 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in KR.
Nutrition Label
Resolution chain
postmaster.fastfive.kr resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 13.124.54.90 | 13.124.0.0/16 | AS16509 | AMAZON-02 - Amazon.com, Inc. | KR |
| 13.125.102.18 | 13.125.0.0/16 | AS16509 | AMAZON-02 - Amazon.com, Inc. | KR |
| 3.35.190.177 | 3.34.0.0/15 | AS16509 | AMAZON-02 - Amazon.com, Inc. | KR |
| 3.35.40.90 | 3.34.0.0/15 | AS16509 | AMAZON-02 - Amazon.com, Inc. | KR |
WHOIS identity
No WHOIS records are currently associated with postmaster.fastfive.kr in WhisperGraph.
Threat posture
History
Mail and authentication
MX records
SPF policy
7 SPF mechanisms authorising senders for postmaster.fastfive.kr.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | mail.stibee.com |
| SPF_INCLUDE | mail.zendesk.com |
| SPF_INCLUDE | spf.mandrillapp.com |
| SPF_IP | 115.71.14.124 |
| SPF_IP | 175.45.203.70 |
| SPF_IP | 183.111.174.44 |
Related pages
Pivot deeper into the graph from postmaster.fastfive.kr.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "postmaster.fastfive.kr"})-[: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.