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Hostname

calculators.io

Last fetched

calculators.io resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:1910 as the registrar.

Nutrition Label

WHISPER CANON · calculators.ioRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/calculators.io

Resolution chain

calculators.io resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.80.148104.21.80.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.186.20172.67.176.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:1910
Organization
mann media pty
Contact emails
—

Web-graph footprint

Distinct hostnames that link to or from calculators.io in the public web crawl.

161 sites link to this hostname.

16 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for calculators.io.

MechanismTarget
SPF_Acalculators.io
SPF_INCLUDE_spf.elasticemail.com
SPF_MXcalculators.io

Related pages

Pivot deeper into the graph from calculators.io.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "calculators.io"})-[: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 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.