Hostname
sfn.org
Last fetched
sfn.org resolves to 1 IPv4 address operated by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation in US. WHOIS lists iana:2 as the registrar.
Nutrition Label
Resolution chain
sfn.org 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 |
|---|---|---|---|---|
| 40.83.38.50 | 40.80.0.0/12 | AS8075 | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | US |
WHOIS identity
- Registrar
- iana:2
- Organization
- perfect privacy,
- Contact emails
- cy3kd4qm45j@networksolutionsprivateregistration.com
- e23b78v47b3@networksolutionsprivateregistration.com
- gr5ua5db254@networksolutionsprivateregistration.com
- j28h68p65pb@networksolutionsprivateregistration.com
- jj5xu2bh2zp@networksolutionsprivateregistration.com
- k32bb22a4cg@networksolutionsprivateregistration.com
- mj28p82f8gu@networksolutionsprivateregistration.com
- rv53q7zz3p5@networksolutionsprivateregistration.com
- rw9fu9eu6fx@networksolutionsprivateregistration.com
- vx3237dx3s5@networksolutionsprivateregistration.com
- w39vf4u86n7@networksolutionsprivateregistration.com
- w56eq7a67yg@networksolutionsprivateregistration.com
- wu48957x3av@networksolutionsprivateregistration.com
- xk4gs6ut3zk@networksolutionsprivateregistration.com
- xq6w26xg94v@networksolutionsprivateregistration.com
- yc3x22cb2ks@networksolutionsprivateregistration.com
- z89bm8hg6gn@networksolutionsprivateregistration.com
Subdomains
60 observed subdomains of sfn.org.
Showing 25 of 60. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from sfn.org in the public web crawl.
2,806 sites link to this hostname.
1,350 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
14 SPF mechanisms authorising senders for sfn.org.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | 2328961.spf02.hubspotemail.net |
| SPF_INCLUDE | spf.cadmiumcd.com |
| SPF_INCLUDE | spf.ess.barracudanetworks.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 13.68.173.132/32 |
| SPF_IP | 13.82.208.111/32 |
| SPF_IP | 13.90.128.153/32 |
| SPF_IP | 167.89.102.115/32 |
| SPF_IP | 216.33.126.104/32 |
| SPF_IP | 216.33.126.185/32 |
| SPF_IP | 40.113.217.120/32 |
| SPF_IP | 52.170.248.73/32 |
| SPF_IP | 52.173.24.52/32 |
| SPF_IP | 52.191.10.153/32 |
Related pages
Pivot deeper into the graph from sfn.org.
- IP · 40.83.38.50
- ASN · AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation
- Registrar · iana:2
- Country · US
- Email · cy3kd4qm45j@networksolutionsprivateregistration.com
- TLD · .org
- Browse hostnames · sf…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
- United States internet infrastructure
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "sfn.org"})-[: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.