Hostname
sieber.at
Last fetched
sieber.at resolves to 1 IPv4 address operated by AS12488 in NL.
Nutrition Label
Resolution chain
sieber.at 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 |
|---|---|---|---|---|
| 141.98.26.36 | 141.98.24.0/22 | AS12488 | — | NL |
WHOIS identity
No WHOIS records are currently associated with sieber.at in WhisperGraph.
Subdomains
1 observed subdomain of sieber.at.
| Subdomain |
|---|
| www.sieber.at |
Web-graph footprint
Distinct hostnames that link to or from sieber.at in the public web crawl.
1 site linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
9 SPF mechanisms authorising senders for sieber.at.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.riege.com |
| SPF_INCLUDE | relay.mailchannels.net |
| SPF_INCLUDE | smtp.rz.sisa.ch |
| SPF_INCLUDE | spf.emailsignatures365.com |
| SPF_INCLUDE | spf.nl2go.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 141.98.26.36 |
| SPF_IP | 164.128.36.48/32 |
| SPF_IP | 212.243.104.32/28 |
Related pages
Pivot deeper into the graph from sieber.at.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "sieber.at"})-[: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.