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Hostname

undo.io

Last fetched

undo.io resolves to 3 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:81 as the registrar.

Nutrition Label

WHISPER CANON · undo.ioRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/undo.io

Resolution chain

undo.io resolves to 3 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.26.12.10104.26.0.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
104.26.13.10104.26.0.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.70.82172.67.64.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:81
Organization
undo software
Contact emails
—

Subdomains

13 observed subdomains of undo.io.

Subdomain
api.undo.io
aws.undo.io
blog.undo.io
docs.undo.io
download.undo.io
go.undo.io
info.undo.io
new-upload.undo.io
staging.undo.io
support.undo.io
udb.undo.io
upload.undo.io
www.undo.io

Web-graph footprint

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

128 sites link to this hostname.

81 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for undo.io.

MechanismTarget
SPF_INCLUDE4372193.spf05.hubspotemail.net
SPF_INCLUDE_spf.google.com
SPF_INCLUDEmail.zendesk.com
SPF_MXundo.io

Related pages

Pivot deeper into the graph from undo.io.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "undo.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.