Hostname
mail.workcard.net
Last fetched
mail.workcard.net resolves to 1 IPv4 address operated by AS142403 in HK.
Nutrition Label
Resolution chain
mail.workcard.net 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 |
|---|---|---|---|---|
| 154.221.19.144 | 154.221.19.0/24 | AS142403 | — | HK |
WHOIS identity
No WHOIS records are currently associated with mail.workcard.net in WhisperGraph.
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for mail.workcard.net.
| Mechanism | Target |
|---|---|
| SPF_A | mail.workcard.net |
| SPF_INCLUDE | spf1.dm.aliyun.com |
| SPF_IP | 103.214.193.130 |
| SPF_IP | 103.214.193.131 |
| SPF_IP | 144.48.143.78 |
| SPF_MX | mail.workcard.net |
Related pages
Pivot deeper into the graph from mail.workcard.net.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "mail.workcard.net"})-[: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.