Hostname

obs.cn

Last fetched Fri, 05 Jun 2026 19:04:14 GMT

obs.cn resolves to 13 IPv4 addresses operated by AS139341 in DE. WHOIS lists registrar:?????????(??) as the registrar.

Nutrition Label

Resolution chain

obs.cn resolves to 13 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
43.152.26.110	43.152.26.0/24	AS139341	—	DE
43.152.26.142	43.152.26.0/24	AS139341	—	DE
43.152.26.209	43.152.26.0/24	AS139341	—	DE
43.152.26.238	43.152.26.0/24	AS139341	—	DE
43.152.29.101	43.152.29.0/24	AS139341	—	DE
43.174.109.87	43.174.109.0/24	AS139341	—	DE
43.174.109.94	43.174.109.0/24	AS139341	—	DE
43.174.109.95	43.174.109.0/24	AS139341	—	DE
43.174.144.124	43.174.144.0/24	AS139341	—	FR
43.174.144.228	43.174.144.0/24	AS139341	—	FR
43.174.145.15	43.174.145.0/24	AS139341	—	FR
43.174.145.213	43.174.145.0/24	AS139341	—	FR
43.175.168.193	43.175.168.0/24	AS139341	—	DE

WHOIS identity

Registrar

registrar:?????????(??)

Organization

????????????

Contact emails

zhoujing1_25@163.com

Subdomains

2 observed subdomains of obs.cn.

Subdomain
fp.obs.cn
www.obs.cn

Web-graph footprint

Distinct hostnames that link to or from obs.cn in the public web crawl.

10 sites linked to from this hostname.

Sample inbound links

d.obs.cn

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for obs.cn.

Mechanism	Target
SPF_INCLUDE	spf.mail.qq.com
SPF_INCLUDE	zoho.com.cn

Pivot deeper into the graph from obs.cn.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "obs.cn"})-[: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.