Hostname
fastsmtp.co
Last fetched
fastsmtp.co resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.
Nutrition Label
Resolution chain
fastsmtp.co resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 104.21.49.36 | 104.21.48.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.141.11 | 172.67.128.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
No WHOIS records are currently associated with fastsmtp.co in WhisperGraph.
Subdomains
14 observed subdomains of fastsmtp.co.
Web-graph footprint
Distinct hostnames that link to or from fastsmtp.co in the public web crawl.
1 site linked to from this hostname.
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
3 SPF mechanisms authorising senders for fastsmtp.co.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.mailjet.com |
| SPF_IP | 167.86.87.159 |
| SPF_IP | 213.165.76.117 |
Related pages
Pivot deeper into the graph from fastsmtp.co.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "fastsmtp.co"})-[: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.