Hostname

retention.at

Last fetched Tue, 11 Aug 2026 17:27:45 GMT

retention.at resolves to 1 IPv4 address operated by IONOS-AS - IONOS SE in DE. WHOIS lists registrar:ledl.net gmbh as the registrar.

Nutrition Label

Resolution chain

retention.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
85.215.101.126	85.215.96.0/19	AS8560	IONOS-AS - IONOS SE	DE

WHOIS identity

Registrar: registrar:ledl.net gmbh
Organization: —
Contact emails: —

Subdomains

2 observed subdomains of retention.at.

Subdomain
mail.retention.at
www.retention.at

Web-graph footprint

Distinct hostnames that link to or from retention.at in the public web crawl.

1 site linked to from this hostname.

Sample inbound links

Sample outbound links

c-net.at

Threat posture

History

Mail and authentication

MX records

mail.505.at

SPF policy

1 SPF mechanism authorising senders for retention.at.

Mechanism	Target
SPF_REDIRECT	c-net.at

Pivot deeper into the graph from retention.at.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "retention.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 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.