Hostname

ersatz.kr

Last fetched Mon, 29 Jun 2026 19:26:35 GMT

ersatz.kr resolves to 8 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in IN. WHOIS lists registrar:(?)??? as the registrar.

Nutrition Label

Resolution chain

ersatz.kr resolves to 8 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
18.66.63.102	18.66.60.0/22	AS16509	AMAZON-02 - Amazon.com, Inc.	IN
18.66.63.108	18.66.60.0/22	AS16509	AMAZON-02 - Amazon.com, Inc.	IN
18.66.63.120	18.66.60.0/22	AS16509	AMAZON-02 - Amazon.com, Inc.	IN
18.66.63.47	18.66.60.0/22	AS16509	AMAZON-02 - Amazon.com, Inc.	IN
3.164.240.100	3.164.240.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	SE
3.164.240.22	3.164.240.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	SE
3.164.240.65	3.164.240.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	SE
3.164.240.77	3.164.240.0/21	AS16509	AMAZON-02 - Amazon.com, Inc.	SE

WHOIS identity

Registrar: registrar:(?)???
Organization: ????
Contact emails: —

Subdomains

4 observed subdomains of ersatz.kr.

Subdomain
notion.ersatz.kr
vrbusiness.ersatz.kr
www.ersatz.kr

Showing 3 of 4. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from ersatz.kr in the public web crawl.

1 site linked to from this hostname.

Sample inbound links

Sample outbound links

googletagmanager.com

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for ersatz.kr.

Mechanism	Target
SPF_INCLUDE	_spf.google.com
SPF_INCLUDE	mail.stibee.com

Pivot deeper into the graph from ersatz.kr.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "ersatz.kr"})-[: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.