Hostname
costain.com
Last fetched
costain.com resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:113 as the registrar.
Nutrition Label
Resolution chain
costain.com 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 |
|---|---|---|---|---|
| 172.66.40.165 | 172.66.40.0/21 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.66.43.91 | 172.66.40.0/21 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:113
- Organization
- costain
- Contact emails
Subdomains
83 observed subdomains of costain.com.
Showing 25 of 83. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from costain.com in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
8 SPF mechanisms authorising senders for costain.com.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | authsmtp.com |
| SPF_INCLUDE | eu._netblocks.mimecast.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | spf_c.oraclecloud.com |
| SPF_IP | 148.59.101.16/28 |
| SPF_IP | 168.245.18.20 |
| SPF_IP | 18.168.140.58/32 |
| SPF_IP | 18.168.51.200/32 |
Related pages
Pivot deeper into the graph from costain.com.
- IP · 172.66.40.165
- ASN · AS13335CLOUDFLARENET - Cloudflare, Inc.
- Registrar · iana:113
- Country · CA
- Email · costain.com@domainsbyproxy.com
- TLD · .com
- Browse hostnames · co…
- 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: "costain.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.