Hostname
authority.builders
Last fetched
authority.builders resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:146 as the registrar.
Nutrition Label
Resolution chain
authority.builders 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 |
|---|---|---|---|---|
| 104.20.29.122 | 104.20.16.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.66.165.43 | 172.66.160.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:146
- Organization
- domains by proxy,
- Contact emails
- —
Subdomains
65 observed subdomains of authority.builders.
Showing 25 of 65. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from authority.builders in the public web crawl.
267 sites link to this hostname.
603 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
8 SPF mechanisms authorising senders for authority.builders.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | 5798306.spf01.hubspotemail.net |
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | _spf.salesforce.com |
| SPF_INCLUDE | aspmx.pardot.com |
| SPF_INCLUDE | emailsrvr.com |
| SPF_INCLUDE | helpscoutemail.com |
| SPF_INCLUDE | sendgrid.net |
| SPF_INCLUDE | spf.protection.outlook.com |
Related pages
Pivot deeper into the graph from authority.builders.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "authority.builders"})-[: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.