Hostname
sjef.app
Last fetched
sjef.app resolves to 1 IPv4 address operated by STELOGY in NL. WHOIS lists iana:269 as the registrar.
Nutrition Label
Resolution chain
sjef.app 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 |
|---|---|---|---|---|
| 85.10.159.115 | 85.10.156.0/22 | AS34762 | STELOGY | NL |
WHOIS identity
- Registrar
- iana:269
- Organization
- sjef.app b.v.
- Contact emails
Subdomains
37 observed subdomains of sjef.app.
Showing 25 of 37. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from sjef.app in the public web crawl.
20 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
8 SPF mechanisms authorising senders for sjef.app.
| Mechanism | Target |
|---|---|
| SPF_A | sjef.app |
| SPF_INCLUDE | 26712020.spf10.hubspotemail.net |
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | _spf.mijnwefact.nl |
| SPF_INCLUDE | emsd1.com |
| SPF_INCLUDE | eu.mailgun.org |
| SPF_INCLUDE | servers.mcsv.net |
| SPF_MX | sjef.app |
Related pages
Pivot deeper into the graph from sjef.app.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "sjef.app"})-[: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.