Hostname
a-null.com
Last fetched
a-null.com resolves to 1 IPv4 address operated by NETIQ in AT. WHOIS lists iana:151 as the registrar.
Nutrition Label
Resolution chain
a-null.com 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 |
|---|---|---|---|---|
| 128.204.132.214 | 128.204.128.0/19 | AS44453 | NETIQ | AT |
WHOIS identity
- Registrar
- iana:151
- Organization
- bernhard binder
- Contact emails
Subdomains
20 observed subdomains of a-null.com.
Web-graph footprint
Distinct hostnames that link to or from a-null.com in the public web crawl.
80 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
13 SPF mechanisms authorising senders for a-null.com.
| Mechanism | Target |
|---|---|
| SPF_A | a-null.com |
| SPF_A | xserv1601.internex.at |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | spf.sendinblue.com |
| SPF_IP | 128.204.132.214 |
| SPF_IP | 128.204.132.4 |
| SPF_IP | 146.255.58.54 |
| SPF_IP | 168.119.100.143 |
| SPF_IP | 2a01:4f8:1c17:64dc:0:0:0:1 |
| SPF_IP | 62.99.130.100/32 |
| SPF_IP | 62.99.255.125/32 |
| SPF_IP | 91.118.154.110/32 |
| SPF_MX | a-null.com |
Related pages
Pivot deeper into the graph from a-null.com.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "a-null.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.