Hostname

blk2.de

Last fetched Fri, 07 Aug 2026 07:35:17 GMT

blk2.de resolves to 1 IPv4 address operated by STRATO - Strato GmbH in DE.

Nutrition Label

Resolution chain

blk2.de 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
81.169.145.162	81.169.144.0/22	AS6724	STRATO - Strato GmbH	DE

WHOIS identity

No WHOIS records are currently associated with blk2.de in WhisperGraph.

Subdomains

3 observed subdomains of blk2.de.

Subdomain
cloud.blk2.de
mail.blk2.de
www.blk2.de

Web-graph footprint

Distinct hostnames that link to or from blk2.de in the public web crawl.

10 sites link to this hostname.

30 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.blk2.de

SPF policy

1 SPF mechanism authorising senders for blk2.de.

Mechanism	Target
SPF_MX	blk2.de

Pivot deeper into the graph from blk2.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "blk2.de"})-[: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.