Hostname
return1.at
Last fetched
return1.at resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.
Nutrition Label
Resolution chain
return1.at 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 |
|---|---|---|---|---|
| 104.21.20.157 | 104.21.16.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.193.45 | 172.67.192.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
No WHOIS records are currently associated with return1.at in WhisperGraph.
Subdomains
7 observed subdomains of return1.at.
Web-graph footprint
Distinct hostnames that link to or from return1.at in the public web crawl.
11 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
4 SPF mechanisms authorising senders for return1.at.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | _spf.protonmail.ch |
| SPF_INCLUDE | amazonses.com |
| SPF_INCLUDE | spf.messagingengine.com |
Related pages
Pivot deeper into the graph from return1.at.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "return1.at"})-[: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.