Hostname
mail.4osclass.net
Last fetched
mail.4osclass.net resolves to 1 IPv4 address operated by AS9123 in RU.
Nutrition Label
Resolution chain
mail.4osclass.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 |
|---|---|---|---|---|
| 91.210.169.120 | 91.210.169.0/24 | AS9123 | — | RU |
WHOIS identity
No WHOIS records are currently associated with mail.4osclass.net in WhisperGraph.
Threat posture
History
Mail and authentication
MX records
- mail.4osclass.net
- mx.yandex.net
SPF policy
4 SPF mechanisms authorising senders for mail.4osclass.net.
| Mechanism | Target |
|---|---|
| SPF_A | 831629-cc31619.tmweb.ru |
| SPF_A | mail.4osclass.net |
| SPF_MX | mail.4osclass.net |
| SPF_REDIRECT | _spf.yandex.net |
Related pages
Pivot deeper into the graph from mail.4osclass.net.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "mail.4osclass.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.