Hostname
isdown.app
Last fetched
isdown.app resolves to 3 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:1068 as the registrar.
Nutrition Label
Resolution chain
isdown.app resolves to 3 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 104.26.8.75 | 104.26.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 104.26.9.75 | 104.26.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.69.130 | 172.67.64.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:1068
- Organization
- privacy service provided by withheld for privacy ehf
- Contact emails
Subdomains
12 observed subdomains of isdown.app.
Web-graph footprint
Distinct hostnames that link to or from isdown.app in the public web crawl.
347 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
3 SPF mechanisms authorising senders for isdown.app.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.mailersend.net |
| SPF_INCLUDE | _spf.mlsend.com |
| SPF_INCLUDE | spf.privateemail.com |
Related pages
Pivot deeper into the graph from isdown.app.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "isdown.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.