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Hostname

cersign.com

Last fetched

cersign.com resolves to 14 IPv4 addresses operated by CHINANET-SHANGHAI-MAN China Telecom Group in CN. WHOIS lists iana:420 as the registrar.

Nutrition Label

WHISPER CANON · cersign.comRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/cersign.com

Resolution chain

cersign.com resolves to 14 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
101.227.20.63101.227.20.0/24AS4811CHINANET-SHANGHAI-MAN China Telecom GroupCN
101.227.20.64101.227.20.0/24AS4811CHINANET-SHANGHAI-MAN China Telecom GroupCN
101.227.20.65101.227.20.0/24AS4811CHINANET-SHANGHAI-MAN China Telecom GroupCN
101.227.20.66101.227.20.0/24AS4811CHINANET-SHANGHAI-MAN China Telecom GroupCN
101.227.20.67101.227.20.0/24AS4811CHINANET-SHANGHAI-MAN China Telecom GroupCN
114.80.179.170114.80.179.0/24AS4811CHINANET-SHANGHAI-MAN China Telecom GroupCN
61.170.79.10061.170.64.0/18AS4812CHINANET-SH-AP China Telecom GroupCN
61.170.79.9361.170.64.0/18AS4812CHINANET-SH-AP China Telecom GroupCN
61.170.79.9461.170.64.0/18AS4812CHINANET-SH-AP China Telecom GroupCN
61.170.79.9561.170.64.0/18AS4812CHINANET-SH-AP China Telecom GroupCN
61.170.79.9661.170.64.0/18AS4812CHINANET-SH-AP China Telecom GroupCN
61.170.79.9761.170.64.0/18AS4812CHINANET-SH-AP China Telecom GroupCN
61.170.79.9861.170.64.0/18AS4812CHINANET-SH-AP China Telecom GroupCN
61.170.79.9961.170.64.0/18AS4812CHINANET-SH-AP China Telecom GroupCN

WHOIS identity

Registrar
iana:420
Organization
huqiangjun
Contact emails

Subdomains

5 observed subdomains of cersign.com.

Subdomain
freessl.cersign.com
www.cersign.com
web.cersign.com
sm2acmetest.cersign.com
mta.cersign.com

Web-graph footprint

Distinct hostnames that link to or from cersign.com in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for cersign.com.

MechanismTarget
SPF_INCLUDEspf.qiye.aliyun.com
SPF_IP13.214.11.81

Related pages

Pivot deeper into the graph from cersign.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "cersign.com"})-[: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.