Hostname
thoughtbot.com
Last fetched
thoughtbot.com resolves to 5 IPv4 addresses operated by MACST-SV4 - MacStadium, Inc. in US. WHOIS lists iana:1387 as the registrar.
Nutrition Label
Resolution chain
thoughtbot.com resolves to 5 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 146.75.113.171 | 146.75.112.0/22 | AS54113 | MACST-SV4 - MacStadium, Inc. | US |
| 146.75.121.171 | 146.75.120.0/22 | AS54113 | MACST-SV4 - MacStadium, Inc. | DE |
| 146.75.29.171 | 146.75.28.0/22 | AS54113 | MACST-SV4 - MacStadium, Inc. | US |
| 199.232.169.171 | 199.232.168.0/22 | AS54113 | MACST-SV4 - MacStadium, Inc. | FR |
| 151.101.121.171 | 151.101.120.0/22 | AS54113 | MACST-SV4 - MacStadium, Inc. | NL |
WHOIS identity
- Registrar
- iana:1387
- Organization
- chad pytel
- Contact emails
Subdomains
49 observed subdomains of thoughtbot.com.
Showing 25 of 49. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from thoughtbot.com in the public web crawl.
1,420 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for thoughtbot.com.
| Mechanism | Target |
|---|---|
| SPF_A | thoughtbot.com |
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | helpscoutemail.com |
| SPF_INCLUDE | spf.mail.intercom.io |
| SPF_IP | 100.12.1.66 |
| SPF_IP | 74.92.13.241 |
Related pages
Pivot deeper into the graph from thoughtbot.com.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "thoughtbot.com"})-[: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.