Hostname
constantinus.net
Last fetched
constantinus.net resolves to 1 IPv4 address operated by AS44453 in AT. WHOIS lists iana:151 as the registrar.
Nutrition Label
Resolution chain
constantinus.net resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 128.204.137.245 | 128.204.128.0/19 | AS44453 | — | AT |
WHOIS identity
- Registrar
- iana:151
- Organization
- alfons helmel
- Contact emails
Subdomains
16 observed subdomains of constantinus.net.
Showing 13 of 16. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from constantinus.net in the public web crawl.
130 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
9 SPF mechanisms authorising senders for constantinus.net.
| Mechanism | Target |
|---|---|
| SPF_A | constantinus.net |
| SPF_INCLUDE | serv33170382.secure-node.at |
| SPF_INCLUDE | spf-00345b01.pphosted.com |
| SPF_INCLUDE | spf.nl2go.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 5.132.190.42 |
| SPF_MX | constantinus.net |
| SPF_MX | mail1.wk.or.at |
| SPF_MX | mail2.wk.or.at |
Related pages
Pivot deeper into the graph from constantinus.net.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "constantinus.net"})-[: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.