Hostname

that-one.dev

Last fetched Thu, 23 Jul 2026 16:59:52 GMT

that-one.dev resolves to 1 IPv4 address operated by AS24940 in DE. WHOIS lists iana:269 as the registrar.

Nutrition Label

Resolution chain

that-one.dev 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
49.13.138.41	49.13.0.0/16	AS24940	—	DE

WHOIS identity

Registrar

iana:269

Organization

—

Contact emails

info@domain-contact.org

Subdomains

1 observed subdomain of that-one.dev.

Subdomain
www.that-one.dev

Web-graph footprint

Distinct hostnames that link to or from that-one.dev in the public web crawl.

7 sites linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.dark-it.net

SPF policy

1 SPF mechanism authorising senders for that-one.dev.

Mechanism	Target
SPF_INCLUDE	dark-it.net

Pivot deeper into the graph from that-one.dev.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "that-one.dev"})-[: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.