Hostname
postcrossing.com
Last fetched
postcrossing.com resolves to 6 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in DE.
Nutrition Label
Resolution chain
postcrossing.com resolves to 6 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 18.184.146.138 | 18.184.0.0/15 | AS16509 | AMAZON-02 - Amazon.com, Inc. | DE |
| 18.184.210.227 | 18.184.0.0/15 | AS16509 | AMAZON-02 - Amazon.com, Inc. | DE |
| 18.192.154.146 | 18.192.0.0/15 | AS16509 | AMAZON-02 - Amazon.com, Inc. | DE |
| 18.195.16.180 | 18.194.0.0/15 | AS16509 | AMAZON-02 - Amazon.com, Inc. | DE |
| 3.69.214.107 | 3.64.0.0/12 | AS16509 | AMAZON-02 - Amazon.com, Inc. | DE |
| 63.180.52.4 | 63.180.0.0/14 | AS16509 | AMAZON-02 - Amazon.com, Inc. | DE |
WHOIS identity
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Subdomains
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Web-graph footprint
Distinct hostnames that link to or from postcrossing.com in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for postcrossing.com.
| Mechanism | Target |
|---|---|
| SPF_A | customs.postcrossing.com |
| SPF_A | forum.postcrossing.com |
| SPF_A | mail-fallback.postcrossing.com |
| SPF_A | postino.postcrossing.com |
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | shops.shopify.com |
Related pages
Pivot deeper into the graph from postcrossing.com.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "postcrossing.com"})-[: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.