Hostname
smtp-plans.com
Last fetched
smtp-plans.com resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:1068 as the registrar.
Nutrition Label
Resolution chain
smtp-plans.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 |
|---|---|---|---|---|
| 104.21.90.234 | 104.21.80.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.206.40 | 172.67.192.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- iana:1068
- Organization
- privacy service provided by withheld for privacy ehf
- Contact emails
Subdomains
15 observed subdomains of smtp-plans.com.
Threat posture
History
Mail and authentication
SPF policy
22 SPF mechanisms authorising senders for smtp-plans.com.
| Mechanism | Target |
|---|---|
| SPF_A | smtp-plans.com |
| SPF_IP | 136.0.42.81 |
| SPF_IP | 15.204.159.167 |
| SPF_IP | 15.204.165.179 |
| SPF_IP | 15.204.179.29 |
| SPF_IP | 15.204.179.36 |
| SPF_IP | 15.204.239.176 |
| SPF_IP | 158.69.218.240 |
| SPF_IP | 173.224.122.83 |
| SPF_IP | 51.81.24.246 |
| SPF_IP | 51.81.31.170 |
| SPF_IP | 51.81.36.61 |
| SPF_IP | 51.81.36.65 |
| SPF_IP | 51.81.4.110 |
| SPF_IP | 51.81.41.214 |
| SPF_IP | 51.81.41.223 |
| SPF_IP | 51.81.41.240 |
| SPF_IP | 51.81.43.48 |
| SPF_IP | 51.81.43.68 |
| SPF_IP | 51.81.43.81 |
| SPF_IP | 51.81.6.160 |
| SPF_MX | smtp-plans.com |
Related pages
Pivot deeper into the graph from smtp-plans.com.
- IP · 104.21.90.234
- ASN · AS13335CLOUDFLARENET - Cloudflare, Inc.
- Registrar · iana:1068
- Country · CA
- Email · 4000501e9cf74c8980dabfac36aac7e0.protect@whoisguard.com
- TLD · .com
- Browse hostnames · sm…
- 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: "smtp-plans.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.