Hostname
ctbuh.org
Last fetched
ctbuh.org resolves to 6 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:1910 as the registrar.
Nutrition Label
Resolution chain
ctbuh.org resolves to 6 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 104.21.3.124 | 104.21.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.130.178 | 172.67.128.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 188.114.96.1 | 188.114.96.0/24 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 188.114.96.3 | 188.114.96.0/24 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 188.114.97.1 | 188.114.97.0/24 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 188.114.97.3 | 188.114.97.0/24 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:1910
- Organization
- council on tall buildings
- Contact emails
Subdomains
69 observed subdomains of ctbuh.org.
Showing 25 of 69. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from ctbuh.org in the public web crawl.
1,136 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for ctbuh.org.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.salesforce.com |
| SPF_INCLUDE | aspmx.pardot.com |
| SPF_INCLUDE | mailgun.org |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 192.42.83.65/27 |
| SPF_IP | 64.18.0.0/20 |
Related pages
Pivot deeper into the graph from ctbuh.org.
- IP · 104.21.3.124
- ASN · AS13335CLOUDFLARENET - Cloudflare, Inc.
- Registrar · iana:1910
- Country · CA
- Email · inctbuh@lehigh.edu
- TLD · .org
- Browse hostnames · ct…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
- United States internet infrastructure
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "ctbuh.org"})-[: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.