Hostname

sdedu.co.kr

Last fetched Sun, 19 Jul 2026 21:27:15 GMT

sdedu.co.kr resolves to 1 IPv4 address operated by ORACLE-BMC-31898 - Oracle Corporation in KR. WHOIS lists registrar:(?)??? as the registrar.

Nutrition Label

Resolution chain

sdedu.co.kr 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
152.70.95.248	152.70.88.0/21	AS31898	ORACLE-BMC-31898 - Oracle Corporation	KR

WHOIS identity

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

Subdomains

5 observed subdomains of sdedu.co.kr.

Subdomain
cyber.sdedu.co.kr
ecai.sdedu.co.kr
intra.sdedu.co.kr
mail.sdedu.co.kr
www.sdedu.co.kr

Web-graph footprint

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

22 sites link to this hostname.

18 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mailapp.hiworks.co.kr

SPF policy

1 SPF mechanism authorising senders for sdedu.co.kr.

Mechanism	Target
SPF_INCLUDE	_spf.hiworks.co.kr

Pivot deeper into the graph from sdedu.co.kr.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "sdedu.co.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.