Hostname
a4.com
Last fetched
a4.com resolves to 3 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:466 as the registrar.
Nutrition Label
Resolution chain
a4.com 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 |
|---|---|---|---|---|
| 104.26.12.185 | 104.26.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 104.26.13.185 | 104.26.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.69.60 | 172.67.64.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:466
- Organization
- mark mertens
- Contact emails
Subdomains
14 observed subdomains of a4.com.
Web-graph footprint
Distinct hostnames that link to or from a4.com in the public web crawl.
232 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
5 SPF mechanisms authorising senders for a4.com.
| Mechanism | Target |
|---|---|
| SPF_A | a4.com |
| SPF_INCLUDE | email-od.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 12.25.245.142 |
| SPF_MX | a4.com |
Related pages
Pivot deeper into the graph from a4.com.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "a4.com"})-[: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.