Hostname
calculator.tf
Last fetched
calculator.tf resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists registrar:internetx gmbh as the registrar.
Nutrition Label
Resolution chain
calculator.tf 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 |
|---|---|---|---|---|
| 104.21.0.207 | 104.21.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.128.71 | 172.67.128.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- registrar:internetx gmbh
- Organization
- ano nymous
- Contact emails
- —
Subdomains
2 observed subdomains of calculator.tf.
| Subdomain |
|---|
| rates.calculator.tf |
| www.calculator.tf |
Web-graph footprint
Distinct hostnames that link to or from calculator.tf in the public web crawl.
7 sites link to this hostname.
4 sites linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
SPF policy
4 SPF mechanisms authorising senders for calculator.tf.
| Mechanism | Target |
|---|---|
| SPF_A | calculator.tf |
| SPF_INCLUDE | _spf2.dautermann.io |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_MX | calculator.tf |
Related pages
Pivot deeper into the graph from calculator.tf.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "calculator.tf"})-[: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.