Hostname

core.io

Last fetched Fri, 22 May 2026 21:54:36 GMT

core.io resolves to 1 IPv4 address operated by IPX-AS15598 in DE. WHOIS lists iana:1387 as the registrar.

Nutrition Label

Resolution chain

core.io 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
80.190.131.178	80.190.128.0/21	AS15598	IPX-AS15598	DE

WHOIS identity

Registrar: iana:1387
Organization: skylime
Contact emails: —

Subdomains

26 observed subdomains of core.io.

Subdomain
adm.core.io
www.core.io
uptime.core.io
turn.core.io
submission.core.io
smtp.core.io
six.core.io
pop.core.io
pdf.core.io
ns.core.io
noc.core.io
monitor.core.io
mailbox.core.io
mail.core.io
imap.core.io
geo.core.io
ezpublish.core.io
bin.core.io

Showing 18 of 26. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from core.io in the public web crawl.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for core.io.

Mechanism	Target
SPF_A	mail.reco-systems.de
SPF_A	smtp.reco.io
SPF_A	snowball1.srv.skylime.net
SPF_MX	core.io

Pivot deeper into the graph from core.io.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "core.io"})-[: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.