Hostname
smtp.software
Last fetched
smtp.software resolves to 1 IPv4 address operated by AS15703 in NL. WHOIS lists iana:269 as the registrar.
Nutrition Label
Resolution chain
smtp.software 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 |
|---|---|---|---|---|
| 87.233.195.28 | 87.233.192.0/18 | AS15703 | — | NL |
WHOIS identity
- Registrar
- iana:269
- Organization
- sc-design
- Contact emails
Subdomains
5 observed subdomains of smtp.software.
Web-graph footprint
Distinct hostnames that link to or from smtp.software in the public web crawl.
5 sites linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for smtp.software.
| Mechanism | Target |
|---|---|
| SPF_IP | 188.93.144.85/22 |
| SPF_IP | 2a00:4e40:1:1::7:1/120 |
| SPF_IP | 85.222.226.205 |
| SPF_IP | 87.233.192.224/27 |
| SPF_IP | 87.233.195.0/27 |
| SPF_IP | 87.233.195.28 |
Related pages
Pivot deeper into the graph from smtp.software.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "smtp.software"})-[: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.